Electric motor: 30hp 22KW 380v/50hz/3ph IP54 grade
Discharge temperature: less than ambient +8 ºC
Noise: less than 65 dB(A)
Air outlet size: G3/4″
Dimension:2200*1600*1970mm
Weight: 1460kg
Warranty: 24 months for the screw air end,12 months for the whole set compressor.
The air compressor specially designed for medium-pressure laser cutting is an integrated armored equipment developed by CZPT compressor for the sheet metal and laser industries. The system is equipped with 1~3m3/min@30bar/40bar compressed air, air tank 130L -1000L (optional), stainless steel plate for CZPT dryer, lower pressure dew point, 5-stage precision filter, centralized electronic sewage, thereby ensuring the cleanness of the cutting gas source.
Technical Parameters
Model
Exhaust pressure(Mpa)
Volume flow (m3 / min)
Power(kW)
Outlet diameter
Dimension(mm)
Weight(kg)
DHH1030
3
1.0
11
G3/4″
1650*1500*1970
1230
DHH1230
3
1.2
15
G3/4″
1650*1500*1970
1300
DHH1630
3
1.6
18.5
G3/4″
2200*1600*1970
1400
DHH2030
3
2.0
22
G3/4″
2200*1600*1970
1460
DHH2530
3
2.5
25
G3/4″
2200*1600*1970
1530
DHH2040
4
2.0
25
G3/4″
2200*1600*1970
1530
2-DHH3030
3
3.0
37
G1″
2400*2900*1970
1750
1. High compression efficiency. The process of compressing gas by a piston compressor is a closed system, and its compression efficiency is high. 2. A wide range of applicable pressures. Piston compressors can be designed for medium pressure, high pressure, and ultra high pressure, and at constant speeds, when the exhaust pressure fluctuates, the displacement of the piston compressor remains basically unchanged.
Advatages
1. Valve materials are made of Sweden stainless steel band. 2. In order to ensure that air compressor highly reliable, using a redundant design principles, setting multiple protection measures: unloading, down drain, exhaust, ensure that the zero-pressure start. 3. Timed drain valve: Drainage and drainage at a time interval can be adjusted. Ensure that the captain of an air compressor runs comtinuously between regular drainage, effectively preventing water too much liquid strike accidents. 4. Low exhaust temperature(10.0MPa exhaust air temperature ≤ 170 degrees, the temperature of exhaust air is above ambient temperature of 15-20 ºC from after – cooler). 5. Fuel consumption per hour less than 0.143/KW. 6. High reliability and long maintenance period, very low fuel consumption, low energy consumption and so on, greatly reducing the overall general operating costs.
Air end
The compression efficiency of piston compressor is high,and the process of gas compression of piston compressor belongs to closed system, and its compression efficiency is high. the adaptability of piston compressor is strong,and the exhaust volume of piston compressor is wide.
Control Panel
Real-time observation of the compressor operation status:Host, fans, exhaust gas temperature, exhaust pressure,power output, total electricityconsumption, fault messages, 24-hour customer service line.
Multifunction Design: Data curve, parameter settings,device information, data query.
Freeze dryer
Choose the refrigerated dryer designed with aluminum alloy three-in-1 plate heat exchanger, no pollution, high efficiency, high purity; universal choice, simple and reliable design, stable performance, no icing phenomenon, easy to install.
Air Tank
The gas storage tank can store a certain amount of gas, and the output air pressure is relatively stable, at the same time, it can reduce the temperature in the gas path and remove some water, dust and impurities. The gas storage tank adopts high quality material as raw material, uses advanced welding technology to work, and passes ISO9001 certification.
Application industry
Especially suitable for: water and electricity, PET bottle blowing, leak detection, military and other fields
Project Case
About us
Dehaha Compressor was founded in 1996 with over 150 skilled employees and more than 25 R&D engineersteams ‘ . We focus on the research & develop,manufacture and energy-saving solutions of screw air compressor to create value for customers and society.In 2018 our total sales volume approached 15 million US dollars.By over 23 years enhanced experiences of designing,producing and marketing,today our valued customers are over 130 countries.Germany Standard and 13 years exporting experience help us won more than 50 loyal overseas agents.
Dehaha’s primary businesses focus in following key areas: Oil-injected rotary screw compressors Portable screw air compressors Oil free air compressors High pressure air compressors Air treatment equipment
At Dehaha,we earn our customers’ trust and satisfaction by manufacturing the superior quality compressed air products for all industries.All of our products are designed for reliable performance,easy maintenance,and maximum energy efficiency.We have sales representatives who can speak English,Spanish,French,and Russian which makes it easier for our clients from all over the world to interact and negotiate with us.
Dehaha continuously innovates product development and management to meet customers’ demand.The powerful enterprise culture and continuous innovation make CZPT improved rapidly to reach the business principle”Energy Saving First, Mutual Value Shared”. CZPT mission is to be a world-renowned high-end brand,with sustainable development,constantly improving its own value and sharing it with our customers and staff.Committed to offer our customers a silent and energy-saving manufactured products.
Why choose us Our Services
After-sale Service • Any questions or requests before, during or after sales, we would like to help you any time and will find you the best solution in 24 hours. • Warranty: One year for the whole machine Genuine spare parts will be provided with the best price. • An overboard engineer service is available.
Overseas Engineer Service • We are available to send our engineer for aboard service. Only need you to arrange accommodation, transportation, and translator. The extra cost for each will be discussed based on the local price level.
Special Customized Service
(1) Full OEM • Quantity: at least 5 pcs • In this plan, we will do all the changes (Color, nameplate, and logo) as your need, and will not charge extra fee. (2) Half OEM • Quantity: no limit • Under this program, we can make the necessary alteration (nameplate and logo) but we will charge some extra fee for the nameplate, as the nameplate factory has the MOQ. (3) Logo OEM • Quantity: no limit • Only the logo will be changed to yours, and no extra fee will be charged.
FAQ
1.Why customer choose us? DHH COMPRESSOR ZheJiang CO.,LTD.with 24 years old history,we are specialized in Rotary Screw Air Compressor.Germany Standard and 13 years exporting experience help us won more than 30 loyal foreign agents.We warmly welcome your small trial order for quality or market test.
2.Are you a manufacturer or trading company? We are professional manufacturer with big modern factory in HangZhou,China,with professional design team.Both OEM & ODM service can be accepted.
3.Where is your factory located? How can I visit there? Our factory is located in HangZhou City, ZheJiang Province, China. We can pick up you from ZheJiang , it’s about 1 hour from ZheJiang Xihu (West Lake) Dis. Airport to our factory. Warmly welcome to visit us!
4.What’s your delivery time? 380V 50HZ we can delivery the goods within 14 days. Other electricity or other color we will delivery within 22 days,if urgently order,pls contact our sales in advance.
5.How long is your air compressor warranty? One year for the whole machine and 2 years for screw air end, except consumable spare parts and we can provide some spare parts of the machines.
6.How does your factory do regarding quality control? Quality is everything. we always attach great importance to quality controlling from the very beginning to the very end. Our factory has gained ISO9001:2015 authentication and CE certificate.
7.How long could your air compressor be used? Generally, more than 10 years.
8. What’s payment term? T/T,L/C,D/P,Western Union,Paypal,Credit Card,and etc.Also we could accept USD, RMB, Euro and other currency.
9.How about your customer service? 24 hours on-line service available.48 hours problem solved promise.
10.How about your after-sales service? (1) Provide customers with installation and commissioning online instructions. (2) Well-trained engineers available to overseas service. (3) Worldwide agents and after service available.
what to see in an air compressor
If you need to buy an air compressor, you should know what to look for. The types of air compressors on the market are classified according to their CFM rating, safety devices, and pumps. There are several differences between lubricated and oil-free air compressors that you should know before buying. To better understand the difference between these types of air compressors, read on. This article will guide you through these differences.
Pump
If you are looking for a quality air compressor, you have come to the right place. A good air compressor pump will provide high pressure for anything from tires to boats and more. There are hundreds of different models to choose from, and the great thing about buying 1 from a Chinese manufacturer is that they have so many options. More importantly, Chinese manufacturers can customize air equipment such as air compressors at low prices. A good quality air pump won’t break easily, but you’ll be able to use it for years. Choosing a high-quality pump will help you avoid many hassles on the road, such as unplanned downtime and installation costs. Plus, a pump from the same manufacturer as your air compressor is your best bet to ensure optimum performance. Listed below are some tips for finding a quality pump for your air compressor. The air compressor is an important but unremarkable invention. Without them, our lives would be completely different. Without a pump, we can’t get hot water from central heating, nor can we get heat from the refrigerator. We can’t inflate bicycle tires, and we can’t refuel cars. Pumps are vital to all kinds of machines. So why is it important to choose the right product? The answer may surprise you. Different types of pumps are used for different applications. Positive displacement pumps move a fixed volume of fluid and direct it to a drain. This design ensures constant flow at a constant speed regardless of discharge pressure. Centrifugal pumps work differently. The impeller accelerates the fluid, converting the input energy into kinetic energy. This type of pump is most commonly used in mines, air conditioning, industrial plants, and flood control.
safety equipment
There are several safety features you should check when using an air compressor. First, check the connection of the air filter to the air. If they come loose, parts may separate and cause injury. Another important safety feature is the shut-off valve. When working near compressed air, the shut-off valve should be within easy reach and visibility. Moving parts and other equipment must be protected with protective covers. Check safety valve and replace damaged parts. Rupture discs are copper discs located on the air cooler. When the air pressure exceeds a certain limit, it bursts. Fusible plugs contain materials that melt at high temperatures. The compressor should have a lubricating oil pressure alarm and cut off the trip signal. If these 2 safety devices fail, the compressor should be stopped immediately. The rupture disc should be inspected at least weekly to ensure it does not rupture under pressure. If the pressure level is too high, and overcurrent protection device cuts power to the motor. It also automatically shuts off the compressor when the hose ruptures or the air volume exceeds a preset level. The device should be installed on the air compressor to prevent accidents. Its job is to protect the operator from harm. If employees do not follow these safety measures, they may cause equipment damage. To ensure safety when operating the air compressor, safety glasses and gloves should be worn. Pressurized air can cause eye injury, and crash goggles can provide a barrier to prevent this. Additionally, the self-retracting cord prevents trip hazards and reinforces excess cord. You should also keep your hands and body away from the air nozzle. This will prevent you from being sprayed with compressed air.
CFM Rating
An air compressor’s PSI and CFM ratings indicate the pressure and volume it can deliver. PSI stands for pounds per square inch and measures the force and pressure contained in 1 square inch of air. These 2 indicators are equally important when choosing an air compressor. If you need a lot of compressed air for a specific application, you will need a higher psi compressor. Likewise, if you are using compressed air in a smaller application, a low cfm compressor will not provide enough power to meet your needs. When comparing different air compressors, be sure to pay close attention to horsepower and CFM ratings. While compressor power is essential for some tasks, it is not the most important aspect. The CFM rating of an air compressor will determine how big a project it can handle and how long it takes to charge. Make sure you understand the CFM and PSI ratings of your future compressors, as not knowing these important statistics can frustrate you and drive up costs. In general, it is best to choose an air compressor with a CFM rating higher than the size of the air tool. This will ensure that the air compressor has enough pressure to work multiple tools efficiently at the same time. While smaller CFM ratings may be sufficient for smaller projects, larger tools such as drills require a lot of air. Therefore, the higher the CFM, the larger and more powerful the tool. Once you understand the CFM of an air compressor, you can start looking for the right tool. You can check the CFM rating of your air compressor online by commenting below. If you’re not sure about the size of your air tool, you can always buy a second air compressor. This is a great way to double the CFM of your air compressor! You’ll have more air to do more work, and your compressor will last longer.
Lack of oil and lubrication
Oil-free air compressors have a smaller footprint and require less maintenance than oil-lubricated air compressors. Although oil-lubricated air compressors are more expensive and heavier than oil-free air compressors, they are also ideal for stationary use. The benefits of oil-free air compressors include greater durability and lower maintenance costs. The advantages and disadvantages of each type are discussed below. Oil-free air compressors are generally quieter than oil-lubricated air compressors. However, you may still experience some noise while using it. To avoid this, you should choose a quiet intake compressor. However, if you work next to a noisy compressor, you should buy a muffler, an aftermarket filter that reduces compressor noise. If you want to use the air compressor for a long time, the oil-free model is not the right choice. Its Teflon coating wears off over time, especially at extreme temperatures. Additionally, oil-free air compressors have a large number of moving parts that require regular maintenance, while oil-filled air compressors are great for those who don’t want to invest in extra parts. Another major difference between oil-free and oil-lubricated air compressors is lubrication. Oil-lubricated air compressors require regular lubrication whereas oil-free air compressors are pre-lubricated. They have fewer parts and are cheaper. Oil-free air compressors are lighter than oil-lubricated air compressors. In addition to being more affordable, oil-free air compressors are more powerful and durable. While oil-filled air compressors are more efficient and durable, they generate a lot of heat. However, they are also more expensive and require regular oil changes. Furthermore, they are difficult to transport. They also need to be permanently installed. These air compressors are also not portable and require a fixed location. So, consider your needs before deciding which type is best for you. When you’re choosing an air compressor for your business, be sure to shop around.
noise level
If you are wondering what the noise level of an air compressor is, the answer depends on your specific equipment and working environment conditions. Typically, air compressors produce 40 to 90 decibels of noise. Although the lower the decibel level, the quieter the compressor will be. Larger, more powerful air compressors produce higher noise levels than their little brothers. But no matter how big the air compressors are, it’s a good idea to wear hearing protection while working around them. When purchasing a new air compressor, the noise level of the air compressor should be considered. While this may seem like a small problem, there are actually a lot of variations on these noisy machines. The most common type of air compressor is the reciprocating piston pump. This model uses pistons similar to an engine to rotate inside a chamber. The piston moves quickly and traps air proportional to its size. Single-piston air compressors are generally noisier than twin-piston models, also known as twin cylinders. But even if you have the proper equipment to protect your hearing, it’s still important to know the noise level of an air compressor. Even if the noise is not immediately dangerous, it can still cause temporary or permanent hearing loss. This condition is called noise-induced hearing loss, and an air compressor with a sound level of 80 or higher can cause permanent hearing damage. You can avoid potential damage to your hearing and prevent accidents by simply paying attention to the noise level of your air compressor. Air compressors are inherently noisy, but if you take steps to reduce their noise levels, you can minimize disruption to neighbors and co-workers. For example, installing a sound enclosure in your work area can prevent your air compressor from making as much noise as before. Depending on your workspace, you can also try installing a long air hose, which will reduce sound levels by up to 25%.
OSG Air compressor belonging to general equipment, widely used in steel, electric power, metallurgy, shipbuilding, electronics, textile, mining, chemical industry, petroleum, light industry, papermaking, printing, machinery manufacturing, food, medicine, transportation, casting coating, shipping dock, the automotive industry, military industry, aerospace, infrastructure and other fields of science and technology:
1: Product Description
E belt series performance characteristics
1: Direct viewing transmission, easy to adjust and replace. 2: To avoid the occurrence of host damage due to any other fault conditions, Protect the normal service life of the machine 3: Every running state of belt tension reaches to the optimum value. 4: Greatly extend the working life of the belt and reduce the Motor and rotor bearing load by avoiding startup overlarge tension. 5: Easy and fast to replace the belt.
Model:E-22A
Power(KW)
22 KW
Horse(HP)
30HP
Pressure
Bar
M³/Min
7
1
Website: osgcompressor
How to Repair and Maintain an Air Compressor
A compressor is a device used to move air from 1 place to another. Air enters the air compressor through the intake valve. Inside the compressor, the vanes on the inner rotor rotate within an eccentric cavity. The self-adjusting length arm divides the space into multiple cavities of different sizes. As the rotor rotates, air fills the cavity. As air flows around the cavity, it builds pressure and is squeezed out of the compressor output.
Positive displacement
Positive displacement air compressors use reciprocating pistons to compress air. Gas is drawn in during the suction stroke and compressed by moving the piston in the opposite direction. It then discharges the compressed air by moving it in the opposite direction. This type of air compressor is most commonly found in automobiles, refrigerators, and other applications that require high pressure. However, it is not as efficient as a centrifugal compressor. Most modern air compressors use positive displacement. Positive displacement models capture a volume of air in the compression chamber and distribute it when the pump is operating at maximum capacity. They are more economical than their negative displacement counterparts. Reciprocating screw air compressors are the most common positive displacement compressors. The reciprocating screw air compressor adopts a water jacket around the cylinder and is often used in processes such as oil drilling. A bicycle pump is an example of positive displacement compression. Air is drawn into the cylinder and compressed by the moving piston. A piston compressor works on the same principle, but it uses a rotating crankshaft or connecting rod to complete the movement of the pistons. There are 2 types of positive displacement compressors: single-acting and double-acting. Both types work on the same principle, both are positive displacement compressors. The difference between the 2 types is the pressure ratio. In air compression, positive displacement compression reduces the volume of the fluid and reduces its viscosity. This results in higher pressure ratios and is used in centrifugal, axial, and scroll compressors. Positive displacement is a common feature of most air compressors. Positive displacement compressors offer the same benefits and are more energy-efficient when applied to oil-free and gas applications. This type of compression is usually the best choice for low-pressure applications.
oil free
If you’re looking for an air compressor for your business, consider an oil-free air compressor. These models offer cleaner, quieter operation than traditional air compressors and require less maintenance. They also meet ISO Class 0 or Class 1 air purity requirements. Oil-free air compressors are also quieter, with fewer moving parts and less noise. These advantages make oil-free air compressors an ideal solution for many commercial applications. Air purity is critical in many industries. Even the tiniest drop of oil can damage production equipment or damage products. The best way to find an oil-free air compressor for your business is to consider the process and end product. As air quality improves, more and more businesses are turning to oil-free compressors. Some of the advantages and disadvantages of these air compressors are: When choosing an oil-free air compressor, it is important to understand the terminology used in the industry. Knowing these terms will make it easier for you to choose the right compressor for your needs. ACTFM, or actual cubic feet per minute, is an industry term for measuring the amount of air pumped in 1 minute under rated conditions. Although a simple number, it can be very useful in determining which type of air compressor is best for your application. The ISO 8573-1 international standard defines air quality and provides air purity classifications. The strictest classification is air purity class 0. Many manufacturers claim that oil-free air compressors meet this standard. However, a class 0 oil-free air compressor does not necessarily mean that the air is free of contaminants. In fact, Class 0 is the benchmark for air purity. While zero air quality is the highest level, that doesn’t mean it’s completely oil-free.
double acting
A double-acting air compressor is a device that uses compressed air to generate electricity. Its working principle is based on piston and connecting rod. The connecting rod connects the crankshaft to the piston through pins and caps. The piston moves as the piston moves. Rods are usually made of forged carbon steel. In terms of service and maintenance, double-acting compressors require regular vise maintenance and proper cleaning. The displacement of the compressor is a measure of the displacement that the piston can produce in a certain period of time. Displacement is usually expressed in actual cubic feet per minute. The exact calculation depends on the type of cylinder and the configuration of the compressor. Single-acting cylinders can have head-end or crank-end displacement, both of which can be measured using the displacement equation. A double-acting air compressor will use this equation. 4 and 6 calculate the displacement. Double-acting air compressors have multiple cylinders and are made of cast iron. They are water-cooled and have a mechanical connection between the piston and connecting rod. A double-acting compressor compresses air twice per revolution of the motor. One cylinder moves up, while the other cylinder moves down. The piston moves down, allowing air to enter through valve #1. During the operation of the compressor, the temperature of the air and gas increases. Double-acting air compressors typically have high pressure and are considered workhorses. Double-acting compressors also feature intercooling and double compression. As a result, these machines tend to last longer than single-acting compressors. Its low speed and dual compression make it a workhorse in the compressor industry. Double-acting air compressors are workhorses and versatile devices.
fuel tank pressure switch
You can adjust the pressure in the air compressor tank by adjusting the differential pressure. You can turn the mainspring clockwise or counterclockwise to increase or decrease the pressure. This valve will open when the pressure is low enough to start the compressor. If the pressure is too low, the valve should be closed. The cut-in and cut-out pressures should be set to appropriate values. After adjusting the tank pressure, check the hysteresis of the tank pressure switch and set the desired shutoff pressure. If the pressure in the tank falls below the cut-in level, the tank pressure switch must be replaced. You can test the switch with a multimeter. Make sure the switch is not damaged. If you can’t find the switch, you can look at the other sections. If you find any damaged or missing parts, you should replace them. Otherwise, it may be time to check the tank pressure switch. You may need to disassemble the compressor and remove the switch. The fuel tank pressure switch is an important part of the air compressor. It keeps you informed of the amount of air delivered by the compressor. If your tank or tank is damaged, your readings will be wrong. If the pressure switch is damaged, it will not function properly and result in incorrect readings. Fortunately, there are some easy ways to fix this. To prevent this from happening, keep the tank pressure switch in good condition. When the air pressure in the tank drops to the cut-in pressure setting, the switch allows power to flow through it. This will start the motor and pump of the air compressor. Then, if the pressure in the tank rises above the cut-off level, the switch will trip and stop the compressor. This will prevent it from being over-pressurized. Power flow will continue to flow to the motor. Depending on your compressor model, you can change the cut-in and cut-out pressures as needed.
energy source
The power supply of the air compressor is very important. Most air compressors run on 12 VDC, which is ideal for automotive use. Alternatively, you can buy a switching power supply for around $20. No matter which power supply you choose, you must ensure that it can support the maximum current of the compressor. You can find power supplies in all sizes, from quarter-horsepower to five-horsepower. The voltage required for a three-phase air compressor will vary. Three-phase air compressors require 3 separate power cords and a three-phase electrical service panel. This is because a standard 120/240-volt electrical service panel is not sufficient to power a three-phase compressor. Additionally, three-phase compressors require 3 separate isolated wires for the engine and motor circuits. Three-phase compressors do not require a neutral wire.
0.5-80 M3/Min 6-40 Bar 5.5-400 Kw Electrical Stationary Industrial AC Power Direct Driven/Coupled Rotary Screw Air Compressors Advantages
1.CZPT Enhanced energy saving screw air compressor reached the super energy saving level
2.Energy Efficient Index 1(EEI 1) approved according to GB19153-2009, the energy consumption is 10%~15% lower than EEI 2.
3.CZPT air compressor design with 72 types of technology patent, real bigger air flow
4.State-of-the-art screw element, original Germany CZPT air end, ladvanced SAP profile design, superior Sweden CZPT element bearings
5.CZPT air compressdor dopts world-renowned components, such as Schneider electronics from France, DENAIR filters from Germany, Danfoss pressure sensor from Denmark, etc. contribute to guarantee the compressor longer service life.
6.Smart touch screen design and 0 pressure drop design
7.Higher efficiency cooling system and electrical motor
8.Stainless steel pipes, reasonable inner design, ensure long service life without maintenance.
Technical Parameters Of Energy Saving Rotary Screw Air Compressor
Model
Maxinmum working
Capacity(FAD)*
Installed motor power
Driving mode&
Noise
Dimensions(mm)
Weight
Air outlet
pressure
50 HZ
60 HZ
Cooling method
level**
pipe diameter
bar(g)
psig
m3/min
cfm
m3/min
cfm
kw
hp
dB(A)
L
W
H
kg
DA-5
7.5
109
0.80
28
0.80
28
5.5
7.5
Belt Driven
75
900
600
860
315
G3/4″
8.5
123
0.78
28
0.78
28
5.5
7.5
Air Cooling
75
900
600
860
DA-7
7.5
109
1.09
39
1.09
39
7.5
10
75
900
600
860
315
G3/4″
8.5
123
1.07
38
1.07
38
7.5
10
75
900
600
860
10.5
152
0.92
32
0.91
32
7.5
10
75
900
600
860
13.0
189
0.73
26
0.72
26
7.5
10
75
900
600
860
DA-11
7.5
109
1.66
59
1.66
59
11
15
75
1230
650
900
324
G3/4″
8.5
123
1.64
58
1.64
58
11
15
75
1230
650
900
10.5
152
1.45
51
1.45
51
11
15
75
1230
650
900
13.0
189
1.13
40
1.12
40
11
15
75
1230
650
900
DA-15
7.5
109
2.54
90
2.53
89
15
20
Direct Driven
75
1465
990
1345
453
G1-1/4″
8.5
123
2.51
88
2.50
88
15
20
Air Cooling
75
1465
990
1345
10.5
152
1.97
70
1.86
66
15
20
75
1465
990
1345
13.0
189
1.91
67
1.83
65
15
20
75
1465
990
1345
DA-18
7.5
109
3.04
107
3.65
129
18.5
25
75
1465
990
1345
453
G1-1/4″
8.5
123
3.03
107
3.63
128
18.5
25
75
1465
990
1345
10.5
152
3.00
106
2.38
84
18.5
25
75
1465
990
1345
13.0
189
1.91
67
2.36
83
18.5
25
75
1465
990
1345
DA-22
7.5
109
3.57
126
3.65
129
22
30
75
1465
990
1345
477
G1-1/4″
8.5
123
3.55
125
3.63
128
22
30
75
1465
990
1345
10.5
152
3.00
106
2.38
84
22
30
75
1465
990
1345
13.0
189
2.97
105
2.36
83
22
30
75
1465
990
1345
DA-30
7.5
109
5.28
187
4.49
159
30
40
85
1600
1250
1550
682
G1-1/2″
8.5
123
5.26
186
4.48
158
30
40
85
1600
1250
1550
10.5
152
5.21
184
4.47
158
30
40
85
1600
1250
1550
13.0
189
3.45
122
3.58
126
30
40
85
1600
1250
1550
DA-37
7.5
109
6.54
231
6.33
224
37
50
85
1600
1250
1550
728
G1-1/2″
8.5
123
6.52
230
6.30
222
37
50
85
1600
1250
1550
10.5
152
5.21
184
4.47
158
37
50
85
1600
1250
1550
13.0
189
5.16
182
4.43
156
37
50
85
1600
1250
1550
DA-45
7.5
109
7.67
271
7.79
275
45
60
85
1600
1250
1550
728
G1-1/2″
8.5
123
7.62
269
7.76
574
45
60
85
1600
1250
1550
10.5
152
6.46
228
6.24
220
45
60
85
1600
1250
1550
13.0
189
6.41
226
4.44
157
45
60
85
1600
1250
1550
DA-55
7.5
109
9.76
345
9.14
323
55
75
85
1876
1326
1700
1310
G2″
8.5
123
9.67
342
9.06
320
55
75
85
1876
1326
1700
10.5
152
7.53
266
7.74
273
55
75
85
1876
1326
1700
13.0
189
7.40
261
6.30
222
55
75
85
1876
1326
1700
DA-75
7.5
109
14.21
502
11.72
414
75
100
85
1876
1326
1700
1325
G2″
8.5
123
12.55
443
11.63
411
75
100
85
1876
1326
1700
10.5
152
9.51
336
11.43
404
75
100
85
1876
1326
1700
13.0
189
9.23
326
8.75
309
75
100
85
1876
1326
1700
DA-90(W)
7.5
109
16.62
587
17.01
601
90
120
Direct Driven
72
2450
1800
1700
2450
DN80
8.5
123
16.37
578
16.82
594
90
120
Air Cooling Or
72
2450
1800
1700
10.5
152
14.21
502
14.87
525
90
120
Water Cooling
72
2450
1800
1700
13.0
189
11.77
416
11.27
398
90
120
72
2450
1800
1700
DA-110(W)
7.5
109
20.13
711
19.10
674
110
150
72
2450
1800
1700
2500
DN80
8.5
123
20.05
708
19.06
673
110
150
72
2450
1800
1700
10.5
152
16.33
576
17.01
601
110
150
72
2450
1800
1700
13.0
189
14.11
498
14.68
518
110
150
72
2450
1800
1700
DA-132(W)
7.5
109
22.85
807
24.37
861
132
175
72
2450
1800
1700
2600
DN80
8.5
123
22.73
802
24.23
856
132
175
72
2450
1800
1700
10.5
152
19.88
702
18.95
669
132
175
72
2450
1800
1700
13.0
189
16.51
583
16.82
594
132
175
72
2450
1800
1700
DA-160(W)
7.5
109
26.92
950
27.90
985
160
215
78
2650
1700
1850
3200
DN80
8.5
123
26.86
949
27.76
980
160
215
78
2650
1700
1850
10.5
152
22.44
792
23.97
846
160
215
78
2650
1700
1850
13.0
189
19.63
693
18.82
664
160
215
78
2650
1700
1850
DA-185(W)
7.5
109
28.89
1571
30.53
1078
185
250
78
2650
1700
1850
3300
DN80
8.5
123
28.84
1018
30.44
1075
185
250
78
2650
1700
1850
10.5
152
25.11
886
27.46
970
185
250
78
2650
1700
1850
13.0
189
22.08
780
23.69
836
185
250
78
2650
1700
1850
DA-200(W)
7.5
109
31.88
1126
30.53
1078
200
270
80
3000
1950
2030
4750
DN100
8.5
123
31.82
1124
30.44
1075
200
270
80
3000
1950
2030
10.5
152
28.48
1006
30.22
1067
200
270
80
3000
1950
2030
13.0
189
25.00
883
27.07
956
200
270
80
3000
1950
2030
DA-220(W)
7.5
109
36.20
1278
37.22
1314
220
300
80
3000
1950
2030
4800
DN100
8.5
123
36.15
1276
37.17
1312
220
300
80
3000
1950
2030
10.5
152
31.71
1120
33.25
1174
220
300
80
3000
1950
2030
13.0
189
28.48
1006
27.07
956
220
300
80
3000
1950
2030
DA-250(W)
7.5
109
43.31
1529
42.87
1514
250
350
80
3000
1950
2030
4850
DN100
8.5
123
43.24
1527
41.30
1458
250
350
80
3000
1950
2030
10.5
152
36.03
1272
37.04
1308
250
350
80
3000
1950
2030
13.0
189
31.55
1114
33.15
1170
250
350
80
3000
1950
2030
DA-280(W)
7.5
109
46.59
1645
47.16
1665
280
375
85
3700
2300
2450
5200
DN125
8.5
123
46.53
1643
45.64
1612
280
375
85
3700
2300
2450
10.5
152
42.95
1516
42.56
1503
280
375
85
3700
2300
2450
13.0
189
35.89
1267
36.95
1305
280
375
85
3700
2300
2450
DA-315(W)
7.5
109
53.16
1877
50.88
1797
315
425
85
3700
2300
2450
6000
DN125
8.5
123
52.63
1858
50.83
1795
315
425
85
3700
2300
2450
10.5
152
43.05
1520
46.27
1634
315
425
85
3700
2300
2450
13.0
189
42.93
1516
40.32
1424
315
425
85
3700
2300
2450
DA-355(W)
7.5
109
63.37
2238
58.12
2052
355
475
85
4500
2500
2450
7000
DN125
8.5
123
63.16
2230
56.54
1997
355
475
85
4500
2500
2450
10.5
152
52.63
1858
51.57
1821
355
475
85
4500
2500
2450
13.0
189
43.79
1546
45.35
1601
355
475
85
4500
2500
2450
DA-400(W)
7.5
109
70.99
2507
61.72
2179
400
550
85
4500
2500
2450
8000
DN125
8.5
123
70.64
2494
59.72
2109
400
550
85
4500
2500
2450
10.5
152
52.63
1858
56.52
1996
400
550
85
4500
2500
2450
13.0
189
46.34
1636
51.35
1813
400
550
85
4500
2500
2450
*) FAD in accordance with ISO 1217 : 2009, Annex C: Absolute intake pressure 1 bar (a), cooling and air intake temperature 20 °C **) Noise level as per ISO 2151 and the basic standard ISO 9614-2, operation at maximum operating pressure and maximum speed; tolerance: ± 3 dB(A) ***) EEI 1- Energy Effiency Index 1, which refers to enhanced energy saving series Specifications are subject to change without notice.
DENAIR Factory & Product Lines
DENAIR Exhibition
We carefully selected for you the classic case
Enhanced Energy Saving Air Compressor in Oman
Project Name: Sandblasting in Muscat, Oman.
Product Name: 75KW 100HP Enhanced Energy Saving screw air compressor EEI 1 (Energy Efficiency Index 1) with air dryer, air receiver tank and air filters.
Model No. & Qty: DA-75+ x 1.
Working Time: From June, 2016 till now
Event: In June, 2015, 1 set of CZPT enhanced energy saving air compressor system was installed in Muscat Oman. This is the first project finished by CZPT distributor in Oman. Our partner Mr. Hari shared the photos at working site to us as a good starting. That means more and more CZPT energy saving solutions will contribute to the industries in Oman in the near future. CZPT air compressor factory and air compressor distributor will try the best to provide top quality products, cost effective solution and excellent service for local users in Oman. In order to ensure the most professional service, the distributor plans to send 2 service engineers to CZPT factory in ZheJiang for training and learnin. We will update the news at that time.
FAQ
Q1: Are you factory or trade company? A1: We are factory.
Q2: What the exactly address of your factory? A2:No. 366, YangzhuangBang Street, Pingxing Rd., Xindai Town, HangZhou, ZHangZhoug Province, China . Q3: Warranty terms of your air compressor machine? A3: Two years warranty for the machine and technical support according to your needs.
Q4: Will you provide some spare parts of the air compressor? A4: Yes, of course.
Q5: How long will you take to arrange production? A5: 380V 50HZ we can delivery the goods within 10 days. Other electricity or other color we will delivery within 22 days
Q6: Can you accept OEM orders? A6: Yes, with professional design team, OEM orders are highly welcome.
How to Repair and Maintain an Air Compressor
A compressor is a device used to move air from 1 place to another. Air enters the air compressor through the intake valve. Inside the compressor, the vanes on the inner rotor rotate within an eccentric cavity. The self-adjusting length arm divides the space into multiple cavities of different sizes. As the rotor rotates, air fills the cavity. As air flows around the cavity, it builds pressure and is squeezed out of the compressor output.
Positive displacement
Positive displacement air compressors use reciprocating pistons to compress air. Gas is drawn in during the suction stroke and compressed by moving the piston in the opposite direction. It then discharges the compressed air by moving it in the opposite direction. This type of air compressor is most commonly found in automobiles, refrigerators, and other applications that require high pressure. However, it is not as efficient as a centrifugal compressor. Most modern air compressors use positive displacement. Positive displacement models capture a volume of air in the compression chamber and distribute it when the pump is operating at maximum capacity. They are more economical than their negative displacement counterparts. Reciprocating screw air compressors are the most common positive displacement compressors. The reciprocating screw air compressor adopts a water jacket around the cylinder and is often used in processes such as oil drilling. A bicycle pump is an example of positive displacement compression. Air is drawn into the cylinder and compressed by the moving piston. A piston compressor works on the same principle, but it uses a rotating crankshaft or connecting rod to complete the movement of the pistons. There are 2 types of positive displacement compressors: single-acting and double-acting. Both types work on the same principle, both are positive displacement compressors. The difference between the 2 types is the pressure ratio. In air compression, positive displacement compression reduces the volume of the fluid and reduces its viscosity. This results in higher pressure ratios and is used in centrifugal, axial, and scroll compressors. Positive displacement is a common feature of most air compressors. Positive displacement compressors offer the same benefits and are more energy-efficient when applied to oil-free and gas applications. This type of compression is usually the best choice for low-pressure applications.
oil free
If you’re looking for an air compressor for your business, consider an oil-free air compressor. These models offer cleaner, quieter operation than traditional air compressors and require less maintenance. They also meet ISO Class 0 or Class 1 air purity requirements. Oil-free air compressors are also quieter, with fewer moving parts and less noise. These advantages make oil-free air compressors an ideal solution for many commercial applications. Air purity is critical in many industries. Even the tiniest drop of oil can damage production equipment or damage products. The best way to find an oil-free air compressor for your business is to consider the process and end product. As air quality improves, more and more businesses are turning to oil-free compressors. Some of the advantages and disadvantages of these air compressors are: When choosing an oil-free air compressor, it is important to understand the terminology used in the industry. Knowing these terms will make it easier for you to choose the right compressor for your needs. ACTFM, or actual cubic feet per minute, is an industry term for measuring the amount of air pumped in 1 minute under rated conditions. Although a simple number, it can be very useful in determining which type of air compressor is best for your application. The ISO 8573-1 international standard defines air quality and provides air purity classifications. The strictest classification is air purity class 0. Many manufacturers claim that oil-free air compressors meet this standard. However, a class 0 oil-free air compressor does not necessarily mean that the air is free of contaminants. In fact, Class 0 is the benchmark for air purity. While zero air quality is the highest level, that doesn’t mean it’s completely oil-free.
double acting
A double-acting air compressor is a device that uses compressed air to generate electricity. Its working principle is based on piston and connecting rod. The connecting rod connects the crankshaft to the piston through pins and caps. The piston moves as the piston moves. Rods are usually made of forged carbon steel. In terms of service and maintenance, double-acting compressors require regular vise maintenance and proper cleaning. The displacement of the compressor is a measure of the displacement that the piston can produce in a certain period of time. Displacement is usually expressed in actual cubic feet per minute. The exact calculation depends on the type of cylinder and the configuration of the compressor. Single-acting cylinders can have head-end or crank-end displacement, both of which can be measured using the displacement equation. A double-acting air compressor will use this equation. 4 and 6 calculate the displacement. Double-acting air compressors have multiple cylinders and are made of cast iron. They are water-cooled and have a mechanical connection between the piston and connecting rod. A double-acting compressor compresses air twice per revolution of the motor. One cylinder moves up, while the other cylinder moves down. The piston moves down, allowing air to enter through valve #1. During the operation of the compressor, the temperature of the air and gas increases. Double-acting air compressors typically have high pressure and are considered workhorses. Double-acting compressors also feature intercooling and double compression. As a result, these machines tend to last longer than single-acting compressors. Its low speed and dual compression make it a workhorse in the compressor industry. Double-acting air compressors are workhorses and versatile devices.
fuel tank pressure switch
You can adjust the pressure in the air compressor tank by adjusting the differential pressure. You can turn the mainspring clockwise or counterclockwise to increase or decrease the pressure. This valve will open when the pressure is low enough to start the compressor. If the pressure is too low, the valve should be closed. The cut-in and cut-out pressures should be set to appropriate values. After adjusting the tank pressure, check the hysteresis of the tank pressure switch and set the desired shutoff pressure. If the pressure in the tank falls below the cut-in level, the tank pressure switch must be replaced. You can test the switch with a multimeter. Make sure the switch is not damaged. If you can’t find the switch, you can look at the other sections. If you find any damaged or missing parts, you should replace them. Otherwise, it may be time to check the tank pressure switch. You may need to disassemble the compressor and remove the switch. The fuel tank pressure switch is an important part of the air compressor. It keeps you informed of the amount of air delivered by the compressor. If your tank or tank is damaged, your readings will be wrong. If the pressure switch is damaged, it will not function properly and result in incorrect readings. Fortunately, there are some easy ways to fix this. To prevent this from happening, keep the tank pressure switch in good condition. When the air pressure in the tank drops to the cut-in pressure setting, the switch allows power to flow through it. This will start the motor and pump of the air compressor. Then, if the pressure in the tank rises above the cut-off level, the switch will trip and stop the compressor. This will prevent it from being over-pressurized. Power flow will continue to flow to the motor. Depending on your compressor model, you can change the cut-in and cut-out pressures as needed.
energy source
The power supply of the air compressor is very important. Most air compressors run on 12 VDC, which is ideal for automotive use. Alternatively, you can buy a switching power supply for around $20. No matter which power supply you choose, you must ensure that it can support the maximum current of the compressor. You can find power supplies in all sizes, from quarter-horsepower to five-horsepower. The voltage required for a three-phase air compressor will vary. Three-phase air compressors require 3 separate power cords and a three-phase electrical service panel. This is because a standard 120/240-volt electrical service panel is not sufficient to power a three-phase compressor. Additionally, three-phase compressors require 3 separate isolated wires for the engine and motor circuits. Three-phase compressors do not require a neutral wire.
Brief Introduction: Air end: German Technology. 30 years designed lifetime. Motor: 100% rare earth permanent magnet motor. Inverter: Chinese No. 1 inverter can save 30% energy. Warranty: 5 years for the air end, and 2 years for the whole compressor. Delivery time: 7-15 days. After-sales service:we have our professional after-sales technician to instruct the installation of the whole screw air compressor. Certificate:CE/ISO9001/ASME We offer free pipe and valves for installation and installation diagram
Use case of rotary screw type air compressor 1. Rotary Screw type air compressors are exported to 132 countries and regions all over the world; 2. All indicators of screw air compressor are stable and the failure rate is low; 3. Perfect after-sales service system, engineers on duty 24 hours a day to provide one-on-1 service to customers at the air compressor use site.
Detailed Photos
Product Parameters
Model
Air Flow (m³/min)
Motor Power
Noise
Outlet Diameter
Dimension
Weight
7bar
8bar
10bar
13bar
kw
dB
inch
W*D*H (mm)
kg
YD-7.5A
1.0
0.8
0.5
0.4
5.5
65
G3/4”
780*680*800
300
YD-10A
1.1
1.0
0.85
0.7
7.5
65
G3/4”
780*680*800
320
YD-15A
1.8
1.65
1.5
1.3
11
65
G3/4”
1100*800*980
400
YD-20A
2.4
2.2
2.1
1.8
15
68
G3/4”
1100*800*980
430
YD-25A
3.1
3.0
2.7
2.3
18.5
68
G1”
1250*870*1180
590
YD-30A
3.8
3.6
3.2
2.5
22
68
G1”
1250*870*1180
650
YD-40A
5.3
5.0
4.3
3.6
30
69
G1”
1250*870*1180
750
YD-50A
6.6
6.2
5.7
4.6
37
69
G11/2”
1540*950*1290
880
YD-60A
8.0
7.7
6.9
6.0
45
70
G11/2”
1540*950*1290
1000
YD-75A/W
10.5
9.8
8.7
7.3
55
70
G2”
1600*1150*1420
1500
YD-100A/W
13.6
13.0
11.3
10.1
75
72
G2”
2571*1260*1460
1900
YD-125A/W
16.2
15.4
13.2
11.2
90
72
DN50
2571*1260*1460
2500
YD-150A/W
20.8
19.5
16.5
13.7
110
73
DN65
2300*1600*1790
2800
YD-175A/W
24.0
23.0
20.0
15.5
132
74
DN65
2300*1600*1790
3000
YD-220A/W
27.8
26.0
23.5
19.5
160
75
DN80
2500*1700*1850
3500
YD-250A/W
32.5
31.0
26.0
21.6
185
76
DN80
2500*1700*1850
3800
YD-270A/W
34.5
33.0
28.0
23.5
200
77
DN80
2500*1700*1850
4200
YD-300A/W
38.0
36.5
32.0
27.0
220
78
DN100
2800*1900*1950
4800
YD-350A/W
43.0
40.5
36.5
32.0
250
80
DN100
2800*1900*1950
5200
YD-500A/W
76.0
75.3
65.4
59.0
400
83
DN125
4200*2200*2240
8200
Remarks:
1. “A” represents air cooling, and “W” represents water cooling;
2. working ambinent temperature: -5ºC-45ºC;
3. exhausting air temperature ≤ working ambinent temperature +10ºC-15ºC;
Re-factory quality control process: 1.Installation inspection of the whole air compressor: check and confirm the whole machine according to the operation instructions and quality control standards. Main inspection items: A . Confirm the nose and motor nameplates; B . Check whether there is oil leakage in the pipeline and oil circuit of the air compressor; C . the air compressor machine screw locking inspection.. 2. Rotary screw type air compressor factory test machine, heat engine: test whether the air compressor operation parameters meet the requirements of customers, including voltage, current, working pressure, exhaust volume, etc.Air compressor factory before 48 hours of thermal test, stability confirmation. 3. 24 hours online after-sales service, one-to-1 online guidance installation, debugging, troubleshooting.
Packaging & Shipping
Rotary Screw type Air compressor packing method 1. Screw air compressor packaging is divided into 3 layers from inside to outside: 1) The first layer of protection: spray paint on the surface of the machine to protect the surface of the machine. The fouling pull film is wrapped around the surface of the machine to protect the surface of the paint. 2) The second layer of protection: anti-collision protection of the machine. On the basis of lacquer protection, anti-collision buffer cotton is used to protect the machine against collision. 3) The third layer of protection: the case adopts the overall packaging of the non-fumigation wooden case to protect the machine during transportation.
F.A.Q
Q1. Why do customers choose us? Yunshun Electric Machinery Co., Ltd. is a company specializing in screw air compressor for 18 years since 2001. Our German Standard production line helps us get the affirmation from our agents as well as end-user clients.
Q2. Are you a manufacturer or trading company? We are a professional manufacturer with big modern factory in HangZhou,China. Both OEM & ODM service can be accepted.
Q3. What’s your delivery time? Generally 7-10 days, if urgent order, we can arrange, too.
Q4. How long is your air compressor warranty? 2 year for the whole machine and 5years for screw air end, except consumable spare parts.
Q5. How long could your air compressor be used for? At least 10 years.
Q6. What’s payment term? T/T, L/C, Western Union, Credit Card, and etc.
Q7. How about your customer service? 24 hours on-line service for all our clients.
Q8. How about your after-sales service? 1. Providing customers with installation online instructions. 2. Well-trained engineers available to overseas service. 3. PlHangZhou for oversea after-sales supporting company.
what to see in an air compressor
If you need to buy an air compressor, you should know what to look for. The types of air compressors on the market are classified according to their CFM rating, safety devices, and pumps. There are several differences between lubricated and oil-free air compressors that you should know before buying. To better understand the difference between these types of air compressors, read on. This article will guide you through these differences.
Pump
If you are looking for a quality air compressor, you have come to the right place. A good air compressor pump will provide high pressure for anything from tires to boats and more. There are hundreds of different models to choose from, and the great thing about buying 1 from a Chinese manufacturer is that they have so many options. More importantly, Chinese manufacturers can customize air equipment such as air compressors at low prices. A good quality air pump won’t break easily, but you’ll be able to use it for years. Choosing a high-quality pump will help you avoid many hassles on the road, such as unplanned downtime and installation costs. Plus, a pump from the same manufacturer as your air compressor is your best bet to ensure optimum performance. Listed below are some tips for finding a quality pump for your air compressor. The air compressor is an important but unremarkable invention. Without them, our lives would be completely different. Without a pump, we can’t get hot water from central heating, nor can we get heat from the refrigerator. We can’t inflate bicycle tires, and we can’t refuel cars. Pumps are vital to all kinds of machines. So why is it important to choose the right product? The answer may surprise you. Different types of pumps are used for different applications. Positive displacement pumps move a fixed volume of fluid and direct it to a drain. This design ensures constant flow at a constant speed regardless of discharge pressure. Centrifugal pumps work differently. The impeller accelerates the fluid, converting the input energy into kinetic energy. This type of pump is most commonly used in mines, air conditioning, industrial plants, and flood control.
safety equipment
There are several safety features you should check when using an air compressor. First, check the connection of the air filter to the air. If they come loose, parts may separate and cause injury. Another important safety feature is the shut-off valve. When working near compressed air, the shut-off valve should be within easy reach and visibility. Moving parts and other equipment must be protected with protective covers. Check safety valve and replace damaged parts. Rupture discs are copper discs located on the air cooler. When the air pressure exceeds a certain limit, it bursts. Fusible plugs contain materials that melt at high temperatures. The compressor should have a lubricating oil pressure alarm and cut off the trip signal. If these 2 safety devices fail, the compressor should be stopped immediately. The rupture disc should be inspected at least weekly to ensure it does not rupture under pressure. If the pressure level is too high, and overcurrent protection device cuts power to the motor. It also automatically shuts off the compressor when the hose ruptures or the air volume exceeds a preset level. The device should be installed on the air compressor to prevent accidents. Its job is to protect the operator from harm. If employees do not follow these safety measures, they may cause equipment damage. To ensure safety when operating the air compressor, safety glasses and gloves should be worn. Pressurized air can cause eye injury, and crash goggles can provide a barrier to prevent this. Additionally, the self-retracting cord prevents trip hazards and reinforces excess cord. You should also keep your hands and body away from the air nozzle. This will prevent you from being sprayed with compressed air.
CFM Rating
An air compressor’s PSI and CFM ratings indicate the pressure and volume it can deliver. PSI stands for pounds per square inch and measures the force and pressure contained in 1 square inch of air. These 2 indicators are equally important when choosing an air compressor. If you need a lot of compressed air for a specific application, you will need a higher psi compressor. Likewise, if you are using compressed air in a smaller application, a low cfm compressor will not provide enough power to meet your needs. When comparing different air compressors, be sure to pay close attention to horsepower and CFM ratings. While compressor power is essential for some tasks, it is not the most important aspect. The CFM rating of an air compressor will determine how big a project it can handle and how long it takes to charge. Make sure you understand the CFM and PSI ratings of your future compressors, as not knowing these important statistics can frustrate you and drive up costs. In general, it is best to choose an air compressor with a CFM rating higher than the size of the air tool. This will ensure that the air compressor has enough pressure to work multiple tools efficiently at the same time. While smaller CFM ratings may be sufficient for smaller projects, larger tools such as drills require a lot of air. Therefore, the higher the CFM, the larger and more powerful the tool. Once you understand the CFM of an air compressor, you can start looking for the right tool. You can check the CFM rating of your air compressor online by commenting below. If you’re not sure about the size of your air tool, you can always buy a second air compressor. This is a great way to double the CFM of your air compressor! You’ll have more air to do more work, and your compressor will last longer.
Lack of oil and lubrication
Oil-free air compressors have a smaller footprint and require less maintenance than oil-lubricated air compressors. Although oil-lubricated air compressors are more expensive and heavier than oil-free air compressors, they are also ideal for stationary use. The benefits of oil-free air compressors include greater durability and lower maintenance costs. The advantages and disadvantages of each type are discussed below. Oil-free air compressors are generally quieter than oil-lubricated air compressors. However, you may still experience some noise while using it. To avoid this, you should choose a quiet intake compressor. However, if you work next to a noisy compressor, you should buy a muffler, an aftermarket filter that reduces compressor noise. If you want to use the air compressor for a long time, the oil-free model is not the right choice. Its Teflon coating wears off over time, especially at extreme temperatures. Additionally, oil-free air compressors have a large number of moving parts that require regular maintenance, while oil-filled air compressors are great for those who don’t want to invest in extra parts. Another major difference between oil-free and oil-lubricated air compressors is lubrication. Oil-lubricated air compressors require regular lubrication whereas oil-free air compressors are pre-lubricated. They have fewer parts and are cheaper. Oil-free air compressors are lighter than oil-lubricated air compressors. In addition to being more affordable, oil-free air compressors are more powerful and durable. While oil-filled air compressors are more efficient and durable, they generate a lot of heat. However, they are also more expensive and require regular oil changes. Furthermore, they are difficult to transport. They also need to be permanently installed. These air compressors are also not portable and require a fixed location. So, consider your needs before deciding which type is best for you. When you’re choosing an air compressor for your business, be sure to shop around.
noise level
If you are wondering what the noise level of an air compressor is, the answer depends on your specific equipment and working environment conditions. Typically, air compressors produce 40 to 90 decibels of noise. Although the lower the decibel level, the quieter the compressor will be. Larger, more powerful air compressors produce higher noise levels than their little brothers. But no matter how big the air compressors are, it’s a good idea to wear hearing protection while working around them. When purchasing a new air compressor, the noise level of the air compressor should be considered. While this may seem like a small problem, there are actually a lot of variations on these noisy machines. The most common type of air compressor is the reciprocating piston pump. This model uses pistons similar to an engine to rotate inside a chamber. The piston moves quickly and traps air proportional to its size. Single-piston air compressors are generally noisier than twin-piston models, also known as twin cylinders. But even if you have the proper equipment to protect your hearing, it’s still important to know the noise level of an air compressor. Even if the noise is not immediately dangerous, it can still cause temporary or permanent hearing loss. This condition is called noise-induced hearing loss, and an air compressor with a sound level of 80 or higher can cause permanent hearing damage. You can avoid potential damage to your hearing and prevent accidents by simply paying attention to the noise level of your air compressor. Air compressors are inherently noisy, but if you take steps to reduce their noise levels, you can minimize disruption to neighbors and co-workers. For example, installing a sound enclosure in your work area can prevent your air compressor from making as much noise as before. Depending on your workspace, you can also try installing a long air hose, which will reduce sound levels by up to 25%.
Industrial Low-Noise Electric Stationary AC Power Oil Lubricated Medium High Pressure Direct Driven Rotary Screw Type Air Compressor Advantages
1.Superior design with 72 types of technology patent, 2 stages compression, realize maximum energy saving and lowest noise level.
2.State-of-the-art screw element, original Germany CZPT air end, ladvanced SAP profile design, superior Sweden CZPT element bearings
3.Adopts world-renowned components, such as Schneider electronics from France, DENAIR filters from Germany, CZPT pressure sensor from Denmark, etc. contribute to guarantee the compressor longer service life.
4.Intelligent controller and multi-language LCD keep the outstanding safety performance.
5.Stainless steel oil pipe and air pipe, high temperature resistant (400ºC=752ºF) and low temperature resistant(-270ºC=518ºF), high pressure resistant.lUltra-long life(80 years), completely leak free and maintenance free
6.Conform to CE, ISO9001 and energy saving certification, etc.
The Technical Parameters Of High Pressure Rotary Screw Air Compressor
Model
Maxinmum working pressure
Capacity(FAD)*
Installed motor
Driving mode& Cooling method
Noise level**
Dimensions(mm)
Weight
Air outlet pipe diameter
50 HZ
60 HZ
power
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
bar(g)
psig
m³/min
cfm
m³/min
cfm
kw
hp
dB(A)
L
W
H
kg
DVAH-90-16
16
232
3.73
9.24
131
326
4.28
8.57
151
303
90
120
Direct Driven Air Cooling /W-Water Cooling
78
2800
1600
1700
2500
DN50
DVAH-90-18
18
261
4.29
10.73
151
379
5.39
10.78
190
381
90
120
78
2800
1600
1700
2500
DN50
DVAH-90-20
20
290
4.24
10.61
150
375
5.33
10.67
188
377
90
120
78
2800
1600
1700
2500
DN50
DVAH-90-25
25
363
4.14
10.35
146
365
4.76
9.51
168
336
90
120
78
2800
1600
1700
2500
DN50
DVAH-110-16
16
232
5.32
13.3
188
470
5.81
11.62
205
410
110
150
78
2800
1600
1700
3200
DN50
DVAH-110-18
18
261
5.78
14.45
204
510
5.58
11.16
197
394
110
150
78
2800
1600
1700
3200
DN50
DVAH-110-20
20
290
5.73
14.33
202
506
5.38
10.76
190
380
110
150
78
2800
1600
1700
3200
DN50
DVAH-110-25
25
363
4.86
12.15
172
429
5.28
10.56
186
373
110
150
78
2800
1600
1700
3200
DN50
DVAH-110-30
30
435
4.95
12.38
175
437
5.15
10.3
182
364
110
150
78
2800
1600
1700
3200
DN50
DVAH-110-35
35
508
4.24
10.6
150
374
5.1
10.2
180
360
110
150
78
2800
1600
1700
3200
DN50
DVAH-110-40
40
580
4.21
10.53
149
372
5.6
11.2
198
395
110
150
78
2800
1600
1700
3200
DN50
DVAH-132-16
16
232
5.35
13.37
189
472
7.25
14.5
256
512
132
175
78
2800
1600
1700
3950
DN50
DVAH-132-18
18
261
5.81
14.53
205
513
6.5
12.99
229
459
132
175
78
2800
1600
1700
3950
DN50
DVAH-132-20
20
290
5.75
14.37
203
507
6.42
12.84
227
453
132
175
78
2800
1600
1700
3950
DN50
DVAH-132-25
25
363
4.87
12.18
172
430
6.23
12.46
220
440
132
175
78
2800
1600
1700
3950
DN50
DVAH-132-30
30
435
4.97
12.43
176
439
5.25
10.5
185
371
132
175
78
2800
1600
1700
3950
DN50
DVAH-132-35
35
508
4.26
10.64
150
376
5.2
10.4
184
367
132
175
78
2800
1600
1700
3950
DN50
DVAH-132-40
40
580
4.22
10.56
149
373
5.15
10.3
182
364
132
175
78
2800
1600
1700
3950
DN50
DVAH-160-16
16
232
6.17
15.43
218
545
9.39
18.78
332
663
160
215
80
2800
1600
2000
5000
DN65
DVAH-160-18
18
261
6.76
16.91
239
597
9.22
18.43
325
651
160
215
80
2800
1600
2000
5000
DN65
DVAH-160-20
20
290
6.66
16.65
235
588
8.07
16.13
285
570
160
215
80
2800
1600
2000
5000
DN65
DVAH-160-25
25
363
5.89
14.73
208
520
7.99
15.97
282
564
160
215
80
2800
1600
2000
5000
DN65
DVAH-185-16
16
232
6.55
16.37
231
578
10.3
20.6
364
727
185
250
80
2800
1600
2000
5500
DN65
DVAH-185-18
18
261
7.29
18.21
321
643
10.19
20.37
360
719
185
250
80
2800
1600
2000
5500
DN65
DVAH-185-20
20
290
7.2
18.01
254
636
8.81
17.62
311
622
185
250
80
2800
1600
2000
5500
DN65
DVAH-185-25
25
363
7.06
17.65
249
623
8.73
17.45
308
616
185
250
80
2800
1600
2000
5500
DN65
DVAH-200-16
16
232
8.68
21.71
307
766
11.94
23.88
422
843
200
270
85
3300
2000
2100
6000
DN80
DVAH-200-18
18
261
10.64
26.61
376
940
11.32
22.64
400
799
200
270
85
3300
2000
2100
6000
DN80
DVAH-200-20
20
290
9.7
24.25
343
856
10.69
21.37
377
755
200
270
85
3300
2000
2100
6000
DN80
DVAH-200-25
25
363
8.84
22.09
312
780
9.1
18.19
321
642
200
270
85
3300
2000
2100
6000
DN80
DVAH-220-16
16
232
9.75
24.37
344
860
12.17
24.34
430
859
220
300
85
3300
2000
2100
6300
DN80
DVAH-220-18
18
261
12.13
30.32
428
1070
11.84
23.67
418
836
220
300
85
3300
2000
2100
6300
DN80
DVAH-220-20
20
290
10.56
26.39
373
932
11.21
22.42
396
792
220
300
85
3300
2000
2100
6300
DN80
DVAH-220-25
25
363
9.6
24.01
339
848
10.47
20.94
370
739
220
300
85
3300
2000
2100
6300
DN80
DVAH-250-16
16
232
10.7
26.75
378
944
14.07
28.13
497
993
250
350
85
3500
2200
2100
6500
DN125
DVAH-250-18
18
261
12.13
30.32
428
1070
14
27.99
494
988
250
350
85
3500
2200
2100
6500
DN125
DVAH-250-20
20
290
12.07
30.16
426
1065
12.95
25.89
457
914
250
350
85
3500
2200
2100
6500
DN125
DVAH-250-25
25
363
10.45
26.13
369
923
12.45
24.9
440
879
250
350
85
3500
2200
2100
6500
DN125
DVAH-280-16
16
232
12.55
31.38
443
1108
16.51
33.02
583
1166
280
375
85
3500
2200
2100
7000
DN125
DVAH-280-18
18
261
14.99
37.47
529
1323
14.84
29.68
524
1048
280
375
85
3500
2200
2100
7000
DN125
DVAH-280-20
20
290
14.84
37.09
524
1310
14.69
29.38
519
1037
280
375
85
3500
2200
2100
7000
DN125
DVAH-280-25
25
363
12.37
30.93
437
1092
12.69
25.38
448
896
280
375
85
3500
2200
2100
7000
DN125
*) FAD in accordance with ISO 1217 : 2009, Annex C: Absolute intake pressure 1 bar (a), cooling and air intake temperature 20 °C **) Noise level as per ISO 2151 and the basic standard ISO 9614-2, operation at maximum operating pressure and maximum speed; tolerance: ± 3 dB(A) ***) Specifications are subject to change without prior notice
DENAIR Factory
DENAIR Certificates
DENAIR Exhibiton
DENAIR Customers
We Carefully Selected For You The Classic Case:
DENAIR VSD Screw Air Compressor for Food Processing in USA Project Name: Coffee manufacturer in Omaha, United States Product Name: 30KW 40HP direct dirven variable frequency screw air compressor with air dryer and air receiver tank Model No. & Qty: DVA-30G x 2 Working Time: From January, 2016 till now Event: In January, 2016, CZPT service team Michael, Sissi and Steven visited our VIP customer in Omaha, United States for technical training for air compressor maintenance. The customer was very satisfied with our good service and VSD energy saving solution.
FAQ
Q1: Are you factory or trade company? A1: We are factory.
Q2: What the exactly address of your factory? A2: No. 366, YangzhuangBang Street, Pingxing Rd., Xindai Town, HangZhou, ZHangZhoug Province, China
Q3: Warranty terms of your machine? A3: Two years warranty for the machine and technical support according to your needs.
Q4: Will you provide some spare parts of the machines? A4: Yes, of course.
Q5: How long will you take to arrange production? A5: 380V 50HZ we can delivery the goods within 10 days. Other electricity or other color we will delivery within 22 days
Q6: Can you accept OEM orders? A6: Yes, with professional design team, OEM orders are highly welcome.
Choosing the Right Air Compressor For Your Home
You will find that air compressors are indispensable tools for a variety of situations, including garages, home workshops, and basements. These tools can power a variety of tools, and each model is sized to suit the job at hand. Because air compressors have only 1 motor, they are lightweight, compact, and easy to handle. Using 1 air compressor to power several tools will also reduce the wear and tear on individual components. This article will introduce some important characteristics to look for when choosing the right air compressor for your home.
Positive displacement
A positive displacement compressor applies pressure to a fluid, whereas a centrifugal 1 does the opposite. A positive displacement compressor creates the desired pressure by trapping air and increasing its volume. Its discharge valve releases the high-pressure gas. These compressors are used in industrial applications and nuclear power plants. The difference between a positive and negative displacement compressor is that a positive displacement compressor can compress and release air at a consistent rate. A positive displacement air compressor uses a reciprocating piston to compress air. This reduces the volume of the air in the compression chamber, and a discharge valve opens when the pressure reaches the desired level. These compressors are used in bicycle pumps and other pneumatic tools. Positive displacement air compressors have multiple inlet ports and have several configurations. Positive displacement air compressors have a single-acting and double-acting piston, and can be oil-lubricated or oil-free. A positive displacement air compressor is different from a dynamic compressor. It draws air into the compression chambers and then releases the pressure when the valve is opened. Positive displacement compressors are common in industrial applications and are available in single-acting, double-acting, and oil-lubricated models. Large piston compressors have ventilated intermediate pieces and crossheads on gudgeon pins. Smaller models have permanently sealed crankcases with bearings.
Oil-free
Oil-free air compressors have some advantages over their oil-lubricated counterparts. They do not require lubrication oil because they are coated with Teflon. The material has 1 of the lowest coefficients of friction and is layered, so it slides past other layers with little effort. Because of this, oil-free compressors tend to be cheaper and still deliver comparable performance. Oil-free compressors are a good choice for industrial applications. The life of an oil-free air compressor is significantly longer than an oil-lubricated counterpart. These models can operate up to 2,000 hours, 4 times longer than the average oil-lubed compressor. Oil-free compressors also have a significantly lower operating noise than their oil-lubricated counterparts. And because they don’t need oil changes, they are quieter. Some even last up to 2,000 hours. An oil-free air compressor is a good choice if your application requires high levels of purity. Several applications require ultra-pure air, and even a drop of oil can cause product spoilage or damage to production equipment. In addition to the health risks, an oil-free air compressor reduces the costs associated with oil contamination and minimizes leaks. It also eliminates the need for oil collection, disposal, and treatment. A typical oil-free air compressor is very efficient, requiring only about 18% of the full load horsepower. However, oil-free compressors have a higher risk of premature failure and are not recommended for large-scale industrial applications. They may also use up to 18% of the compressor’s full capacity. They may sound appealing, but you must make sure you understand the benefits of an oil-free air compressor before choosing 1 for your industrial applications.
Single-stage
A single-stage air compressor is designed to provide the power for a single pneumatic tool or device. These machines are generally smaller than two-stage compressors and produce less heat and energy. These machines aren’t designed for heavy-duty industries, but they are still highly effective for a variety of applications, including auto shops, gas stations, and various manufacturing plants. They can also be used in borewells, as they are suitable for small spaces with low air flow requirements. A single-stage air compressor has 1 cylinder and 2 valves – the inlet and the delivery valves. Both of these valves function mechanically, with the inlet valve controlling torque and the delivery 1 controlling air pressure. Generally, single-stage compressors are powered by a gas engine, but there are also electric models available. The single-stage air compressor is the most common type of air compressor. It has a single cylinder, 1 piston, and 1 air cylinder. The single-stage air compressors are used for small projects or personal use. A two-stage air compressor is more effective for industrial projects. Its longer air end life makes it more efficient. It is also more efficient for use in the automotive industry, where the engine has many cylinders. In general, single-stage compressors require a higher power level. The single-stage model is ideal for small projects, while a two-stage 1 is suitable for larger-scale arsenals.
CFM
The cubic foot-per-minute (CFM) of an air compressor is the output of the machine. In order to calculate the CFM level, start by looking at the compressor’s specifications. You should know how many cubic feet the unit can hold and how many pounds per square inch it can compress. Once you have these information, you can calculate the CFM. Now you can use these numbers to select an appropriate air compressor for your needs. The most common way to increase the CFM of an air compressor is to turn the regulator down. By turning the dial down, the air compressor will produce more than 10 CFM. You can also try connecting 2 output valves. Make sure that the settings are adjusted properly before you begin. This will ensure that your air compressor is functioning at its maximum efficiency and lifespan. To increase the CFM of your air compressor, first check that your regulator is calibrated for the desired pressure level. To calculate the CFM of an air compressor, first determine the tank volume of the machine. Then, multiply this volume by the time it takes to fill the tank. Then, divide the result by 60 seconds to calculate the CFM. Once you know how much air your machine can hold, you can choose a suitable air compressor. If you’re working in a confined area, you should buy a tool with a large tank.
PSI
The PSI of an air compressor is the pressure that it can output. A typical air compressor has a gauge connected to the airline at the bottom, next to it, or between the two. The gauge tells the actual pressure of the air compressor, while the cut-out pressure is determined by the manufacturer. The manufacturer recommends that you set the cut-out pressure 20 to 40 PSI higher than the factory recommended pressure. If you want to set the pressure for your nail gun, you can use the cut-in and cut-out pressures on your compressor, and the tank won’t exceed this range. The PSI of an air compressor measures the force that it can deliver, which is often in pounds per square inch. For most air tools, you need at least 40 to 90 psi. In general, reciprocating air compressors work on an on/off basis. This relationship is known as the duty cycle. All air compressors are rated for a particular duty cycle, such as 50 percent on and 20-5 percent off. The Psig of an air compressor is not free, as many people believe. The PSI of an air compressor is not free, but it is essential to maintain it for safe operations. If you’re having trouble maintaining a consistent pressure, consider turning down the PSI of your compressor by 2 psig. This will determine the critical pressure for the machine. You’ll also increase the amount of energy in the system by 1 percent.
Power source
The power source for an air compressor is crucial in its operation. Without the correct voltage and amperage, air compressors will not function properly. The power source must be close to the compressor so that it can plug into an electrical outlet. If it is too far from the outlet, the compressor may not be able to build enough pressure. When this happens, the fuse inside the air compressor will turn off to protect the user. The power source should be a safe distance from the compressor. Most manufacturers do not specify the power source for an air compressor. Depending on the horsepower, the compressor will require approximately 4 amps of power. A one-horsepower compressor would draw about 12 amps. If it were powered by a typical 120-volt household supply, its motor would exceed the 15-amp breaker capacity. A larger air compressor, however, will require a separate 15-amp power source, making it impossible to use it with this type of power source. The power source for an air compressor is typically electrical alternating current (AC) that is equivalent to the voltage on a standard wall outlet. A three-phase air compressor, on the other hand, requires a special AC supply with 3 electrical offset pulses. Regardless of the type of air compressor, the power source must be compatible with the incoming power service. One of the most common problems when attempting to connect an air compressor to an AC power source is undersized wire. This results in low voltage and high amperes, tripping of over-load relays and blown fuses.
3.5bar -5bar low pressrue rotary screw air compressor for pet bottle blowing industry
1. Company introduces & advtanges of ZheJiang Great AIr Compressor Manufacturing :
ZheJiang Great Air compressor Co., ltd, is 1 leading manufacture and exporter of air compressor in ZheJiang , China, Founded 1957 years, coving an area of 200000 square meters. Now exporting to more than 120 countries. Has established a huge sales and service network at home and abroad.
GREAT’ s main products range as blow: -oil-injected rotary screw air compressor(fixed speed, variable speed; medium & low pressure) -portable rotary screw air compressor(diesel powered, electric motor powered) – low pressure screw air compressor – outdoor screw air compressor – oil free screw blower(variable speed) -oil free air compressor( scroll type, dry type, water lubricated type) -air treatment equipment( air dryer, air tanker, filers etc.)
All of our machines are designed for high realiable performance, easy maintenance, and maximum energy efficiency.
Our company advantages
1. Over 60 years China professsinal manufacture for air compressor ,An ISO9000 company
2.European standard,China made &factory directly supply
3. Superior porformance &high efficiency with reasonable price
4.Low power consumptions for more output
5.Trouble free & cost saving
6.Timely pre-sale and after-sale service
7.Easy operatation &maintenance
2. Products introductions &advantages for low pressure screw air compressor 3.5-5bar :
Our products features
1.Approved by ISO9001/ SGS,/CE etc..
2.Adopt the most advanced technology and world famous brand of twin screw main machine designing and manufacturing, no leakage, ensure high air discharge and low energy consumption.
3. Adopt high quality electric motor with CZPT bearing, IP54, convenient maintenance and long use life.
4. Adopt world famous brand of air intake filter, oil filter, air and oil separator, realize high filtration accuracy, compressed air oil content under 3ppm, reach to international advanced standard level.
5. Equip with the most advanced air control system. Adopt air intake valve, intelligent control system and pressure sensor combined control method, can operate by ON and OFF 2 point, stepless air capacity control system, time-delay stop and automatically start device 3 air capacity control methods, can meet different clients demand.
6.Intelligent microcomputer control system, Chinese and English language operation interface, malfunction display, alarm and machine stop automatically.
7.Adopt high quality and world famous brand of main components, like UK APD oil filter, America AMOT temperature controlling valve, SCHNEIDER electric parts and etc., high efficiency, reliable and long use life.
8. Equip with after air compression cooler combination with the air and water separator, compact structure and save space, avoid leakage and improve the air and water separating efficiency mostly.
Feature for GREAT low pressure screw air compressor:
1) The exhaust pressure 3.5 ~ 5 bar low pressure screw air compressor products;
2) Regular air compressor running under low pressure, the biggest risk is the big fuel consumption and bad lubrication problem, our company through a specially designed successfully solved this 2 problems.
3) The biggest advantage of a low pressure machine is: on the premise of meet the user’s gas pressure, can with the lowest power consumption to achieve the biggest gas demand, to achieve energy saving!
By following a set of data, you can intuitive understanding that energy-saving features of the unit:
No.
Item
8bar machine
6bar machine
3.5bar machine
1
capacity
42.1(actually test)
43.2(actually test)
43.5(actually test)
2
Unit input power
274kw
238kw
187.5kw
3
Power need for compressed each cubic air
6.5KW/m³/min
5.5KW/m³/min
4.3KW/m³/min
4
Electric saving per hour
86.5kw*h
50.5kw*h
5
Electric saving per 24hours
2076kw*h
1212kw*h
6
Electric saving cost per 8000 hours
USD$83879
USD$48970
Industrial electric cost$0.12/degree
Note: take 40 cubic meter for example, the same air end is tested at the same speed.
From the above table, it can be concluded that the operating 0.35 Mpa pressure gas equipment, and if using the air compressor of pressure of 0.6-0.8Mpa, the user needs to increase the electricity cost by USD$45000 – $80000 per year. Therefore, in the low pressure gas industry, such as glass industry, textile industry, and foam plastics industry, considering the running cost,we should mainly recommend the low pressure screw air compressor
3.Technical Parameters for GREAT low pressure screw air compressor:
Model
Type
Flow air capacity (m3/min)
Working pressure (Bar)
Noise (dBa)
Power (Kw)
Outlet pipe size
Dimensions (mm)
Weight (Kg)
LG(F)D-90-d
LG(F)D-18.7/3.5
25
3.5
90
DN80
2450*1800*1820
3225
LG(F)D-17.9/4.0
24
4
LG(F)D-17.3/4.5
22
4.5
LG(F)D-15.8/5.0
20
5
LG(F)D-110-d
LG(F)D-24.1/3.5
30
3.5
78±3
110
DN80
3150*2050*2210
4050
LG(F)D-22.1/4.0
28
4
LG(F)D-21.8/4.5
26
4.5
LG(F)D-20.9/5.0
23
5
LG(F)D-132-d
LG(F)D-30.2/3.5
35
3.5
132
DN80
3150*2050*2210
4050
LG(F)D-27.6/4.0
33
4
LG(F)D-25.7/4.5
30
4.5
LG(F)D-24.0/5.0
29
5
LG(F)D-160-d
LG(F)D-33.7/3.5
41.7
3.5
160
DN125
3150*2050*2210
5500
LG(F)D-30.5/4.0
38
4
LG(F)D-30.0/4.5
36
4.5
LG(F)D-29.6/5.0
33
5
LG(F)D-185-d
LG(F)D-41.0/3.5
46
3.5
80±3
185
DN125
3750*2120*2340
7000
LG(F)D-39.0/4.0
45
4
LG(F)D-36.0/4.5
41
4.5
LG(F)D-35.8/5.0
40
5
LG(F)D-200-d
LG(F)D-43.3/3.5
48
3.5
200
DN125
3850*2120*2340
7000
LG(F)D-41.0/4.0
46
4
LG(F)D-40.5/4.5
45
4.5
LG(F)D-38.7/5.0
41
5
LG(F)D-220-d
LG(F)D-47.0/3.5
50
3.5
80±3
220
DN150
3850*2120*2340
7000
LG(F)D-43.2/4.0
48
4
LG(F)D-42.5/4.5
46
4.5
LG(F)D-40.4/5.0
45
5
4.Application :
6.Certification :
7. FAQ : Q1: Are you factory or trade company? A1: We are factory. Q2: Warranty terms of your machine? A2: One year warranty for the machine and technical support according to your needs. Q3: Will you provide some spare parts of the machines? A3: Yes, of course. Q4: How long will you take to arrange production? A4: 380V 50HZ we can delivery the goods within 20 days. Other electricity or other color we will delivery within 30 days. Q5: Can you accept OEM orders? A5: Yes, with professional design team, OEM orders are highly welcome!
8. Contact :
sales engineer
Celia Meng
Website
http://greataircompressor
Choosing the Right Air Compressor For Your Home
You will find that air compressors are indispensable tools for a variety of situations, including garages, home workshops, and basements. These tools can power a variety of tools, and each model is sized to suit the job at hand. Because air compressors have only 1 motor, they are lightweight, compact, and easy to handle. Using 1 air compressor to power several tools will also reduce the wear and tear on individual components. This article will introduce some important characteristics to look for when choosing the right air compressor for your home.
Positive displacement
A positive displacement compressor applies pressure to a fluid, whereas a centrifugal 1 does the opposite. A positive displacement compressor creates the desired pressure by trapping air and increasing its volume. Its discharge valve releases the high-pressure gas. These compressors are used in industrial applications and nuclear power plants. The difference between a positive and negative displacement compressor is that a positive displacement compressor can compress and release air at a consistent rate. A positive displacement air compressor uses a reciprocating piston to compress air. This reduces the volume of the air in the compression chamber, and a discharge valve opens when the pressure reaches the desired level. These compressors are used in bicycle pumps and other pneumatic tools. Positive displacement air compressors have multiple inlet ports and have several configurations. Positive displacement air compressors have a single-acting and double-acting piston, and can be oil-lubricated or oil-free. A positive displacement air compressor is different from a dynamic compressor. It draws air into the compression chambers and then releases the pressure when the valve is opened. Positive displacement compressors are common in industrial applications and are available in single-acting, double-acting, and oil-lubricated models. Large piston compressors have ventilated intermediate pieces and crossheads on gudgeon pins. Smaller models have permanently sealed crankcases with bearings.
Oil-free
Oil-free air compressors have some advantages over their oil-lubricated counterparts. They do not require lubrication oil because they are coated with Teflon. The material has 1 of the lowest coefficients of friction and is layered, so it slides past other layers with little effort. Because of this, oil-free compressors tend to be cheaper and still deliver comparable performance. Oil-free compressors are a good choice for industrial applications. The life of an oil-free air compressor is significantly longer than an oil-lubricated counterpart. These models can operate up to 2,000 hours, 4 times longer than the average oil-lubed compressor. Oil-free compressors also have a significantly lower operating noise than their oil-lubricated counterparts. And because they don’t need oil changes, they are quieter. Some even last up to 2,000 hours. An oil-free air compressor is a good choice if your application requires high levels of purity. Several applications require ultra-pure air, and even a drop of oil can cause product spoilage or damage to production equipment. In addition to the health risks, an oil-free air compressor reduces the costs associated with oil contamination and minimizes leaks. It also eliminates the need for oil collection, disposal, and treatment. A typical oil-free air compressor is very efficient, requiring only about 18% of the full load horsepower. However, oil-free compressors have a higher risk of premature failure and are not recommended for large-scale industrial applications. They may also use up to 18% of the compressor’s full capacity. They may sound appealing, but you must make sure you understand the benefits of an oil-free air compressor before choosing 1 for your industrial applications.
Single-stage
A single-stage air compressor is designed to provide the power for a single pneumatic tool or device. These machines are generally smaller than two-stage compressors and produce less heat and energy. These machines aren’t designed for heavy-duty industries, but they are still highly effective for a variety of applications, including auto shops, gas stations, and various manufacturing plants. They can also be used in borewells, as they are suitable for small spaces with low air flow requirements. A single-stage air compressor has 1 cylinder and 2 valves – the inlet and the delivery valves. Both of these valves function mechanically, with the inlet valve controlling torque and the delivery 1 controlling air pressure. Generally, single-stage compressors are powered by a gas engine, but there are also electric models available. The single-stage air compressor is the most common type of air compressor. It has a single cylinder, 1 piston, and 1 air cylinder. The single-stage air compressors are used for small projects or personal use. A two-stage air compressor is more effective for industrial projects. Its longer air end life makes it more efficient. It is also more efficient for use in the automotive industry, where the engine has many cylinders. In general, single-stage compressors require a higher power level. The single-stage model is ideal for small projects, while a two-stage 1 is suitable for larger-scale arsenals.
CFM
The cubic foot-per-minute (CFM) of an air compressor is the output of the machine. In order to calculate the CFM level, start by looking at the compressor’s specifications. You should know how many cubic feet the unit can hold and how many pounds per square inch it can compress. Once you have these information, you can calculate the CFM. Now you can use these numbers to select an appropriate air compressor for your needs. The most common way to increase the CFM of an air compressor is to turn the regulator down. By turning the dial down, the air compressor will produce more than 10 CFM. You can also try connecting 2 output valves. Make sure that the settings are adjusted properly before you begin. This will ensure that your air compressor is functioning at its maximum efficiency and lifespan. To increase the CFM of your air compressor, first check that your regulator is calibrated for the desired pressure level. To calculate the CFM of an air compressor, first determine the tank volume of the machine. Then, multiply this volume by the time it takes to fill the tank. Then, divide the result by 60 seconds to calculate the CFM. Once you know how much air your machine can hold, you can choose a suitable air compressor. If you’re working in a confined area, you should buy a tool with a large tank.
PSI
The PSI of an air compressor is the pressure that it can output. A typical air compressor has a gauge connected to the airline at the bottom, next to it, or between the two. The gauge tells the actual pressure of the air compressor, while the cut-out pressure is determined by the manufacturer. The manufacturer recommends that you set the cut-out pressure 20 to 40 PSI higher than the factory recommended pressure. If you want to set the pressure for your nail gun, you can use the cut-in and cut-out pressures on your compressor, and the tank won’t exceed this range. The PSI of an air compressor measures the force that it can deliver, which is often in pounds per square inch. For most air tools, you need at least 40 to 90 psi. In general, reciprocating air compressors work on an on/off basis. This relationship is known as the duty cycle. All air compressors are rated for a particular duty cycle, such as 50 percent on and 20-5 percent off. The Psig of an air compressor is not free, as many people believe. The PSI of an air compressor is not free, but it is essential to maintain it for safe operations. If you’re having trouble maintaining a consistent pressure, consider turning down the PSI of your compressor by 2 psig. This will determine the critical pressure for the machine. You’ll also increase the amount of energy in the system by 1 percent.
Power source
The power source for an air compressor is crucial in its operation. Without the correct voltage and amperage, air compressors will not function properly. The power source must be close to the compressor so that it can plug into an electrical outlet. If it is too far from the outlet, the compressor may not be able to build enough pressure. When this happens, the fuse inside the air compressor will turn off to protect the user. The power source should be a safe distance from the compressor. Most manufacturers do not specify the power source for an air compressor. Depending on the horsepower, the compressor will require approximately 4 amps of power. A one-horsepower compressor would draw about 12 amps. If it were powered by a typical 120-volt household supply, its motor would exceed the 15-amp breaker capacity. A larger air compressor, however, will require a separate 15-amp power source, making it impossible to use it with this type of power source. The power source for an air compressor is typically electrical alternating current (AC) that is equivalent to the voltage on a standard wall outlet. A three-phase air compressor, on the other hand, requires a special AC supply with 3 electrical offset pulses. Regardless of the type of air compressor, the power source must be compatible with the incoming power service. One of the most common problems when attempting to connect an air compressor to an AC power source is undersized wire. This results in low voltage and high amperes, tripping of over-load relays and blown fuses.
