Product Description

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.
 

Types of Air Compressors

There are many types of Air Compressors available on the market. Learn which 1 is right for your needs and what makes 1 better than another. Find out more about Single-stage models, Oil-free models, and Low-noise models. This article will explain these types and help you decide which 1 you need. You can also learn about Air Compressors that have single-stage compressors. If you are looking for a high-quality compressor, this article will help you choose a unit.

Air Compressors

Air compressors work by forcing atmospheric air through an inlet valve. As the piston moves down, it pulls atmospheric air into the chamber. As the piston rises, it forces the compressed air out of the cylinder through an exhaust valve. One of the most common types of air compressor is the reciprocating type. Another type of compressor is a single-stage piston. These types of compressors compress air in 1 stroke – equivalent to the complete rotation of the piston’s crankshaft.
These devices change electrical or mechanical energy into pressurized air. When air is compressed, its volume decreases, increasing its pressure. Air compressors typically have a minimum pressure of 30 bars. The lower pressure band is the range of air pressure. Most compressors are controlled separately, but network controls can be used to interconnect multiple compressors. This type of controller will not work for all types of compressors. There are other types of air compressors that can communicate with each other.
Compressed air has multiple applications in all kinds of industries. In agriculture, it can power pneumatically powered material handling machines for irrigation and crop spraying. Dairy equipments also use compressed air. Compressors are also used in the pharmaceutical industry for mixing tanks, packaging, and conveyor systems. Portable air compressors, which can be powered by diesel fuel, are frequently used at remote drilling sites. Portable air compressors are also commonly used in oil and gas. They can be used to remotely control valves and install reactor rods.
Whether you use an air compressor for agricultural purposes or in a manufacturing setting, there are some features to consider when choosing an air compressor for your needs. A good compressor will have a safety device. It will automatically shut off the input air and output air once sufficient compressing has been achieved. These features will help your air compressor remain efficient and protect your equipment. The safety device is an important feature of any air compressor to increase its overall efficiency.
Vane air compressors are the most common type. They are generally smaller and less powerful than reciprocating piston compressors, so you can use 1 of these for applications that are under 100 horsepower. The vane air compressors have low compression ratios and high capacities, but they are generally limited to low-power applications. Vane compressors tend to run hot, and they typically have a low compression ratio. It is important to choose the correct oil viscosity for your compressor.

Single-stage models

When comparing single-stage air compressors, look for the term “stages.” Multi-stage compressors use 2 stages and can handle more capacity and pressure. One stage involves pressurizing air using a piston and a lower-pressure cylinder. This compressed air is then moved to a storage tank. Single-stage models tend to be more energy-efficient than their two-stage counterparts. But if you don’t need a high-pressure cylinder, a single-stage air compressor can be the best choice.
Although single-stage air compressors produce less power, they can produce enough air to power pneumatic tools and other pneumatic equipment. These single-stage units are most useful for smaller-scale home projects and DIY projects. For more industrial purposes, a dual-stage model is the best choice. But if you’re in a hurry, a single-stage unit may be sufficient. Ultimately, it depends on what you plan to do with the air compressor.
Single-stage air compressors feature a single cylinder, 1 piston stroke for each revolution of pressurized air. Single-stage compressors are typically smaller and more compact, making them a good choice for smaller work environments. Their cfm capacity (cubic feet per minute) is an important indicator of operating capacity. If you plan to use multiple pneumatic tools, you will probably need a higher cfm model. Similarly, the horsepower of single-stage compressors indicates its working capacity. One horsepower moves 550 pounds per foot per minute.
Multi-stage air compressors are generally more expensive and more energy-efficient than single-stage units, but they can offer higher air flow rates. While they may be more complex, they can lower general operating expenses. If you plan on using your air compressor for industrial or commercial use, a dual-stage model might be the best choice. However, if you’re planning to use the air compressor for mass production, a single-stage model may be the best choice.
Single-stage air compressors have the same piston size and number of inlets, while dual-stage models have a smaller first piston and a much longer second piston. Both have a cooling tube in between the 2 pistons to reduce the air temperature before the second round of compression. The single-stage model is typically small and portable, while the double-stage air compressor is stationary. These compressors can both be stationary and large.

Low-noise models

Despite its name, low-noise models of air compressors are not all the same. The noise level of a compressor can be affected by several factors, including the power source and proximity to the machine. Reciprocal compressors are generally louder than electric ones because of their many moving parts. By contrast, rotary-screw and scroll compressors have fewer moving parts and are quieter.
The noise level of a gas-powered air compressor can be extremely high, making it unsuitable for use indoors. To combat this problem, you can choose an electric model. The noise level of a compressor is primarily caused by motor friction. The cover of a piston is also a major factor in noise, as pistons with minimal covers will produce a lot of noise. Previously, oil was required for a quiet compressor. However, this has changed thanks to the medical industry’s demand for oil-free models.
The CZPT EC28M Quiet Air Compressor is another model that features quiet operation. This air compressor makes 59dB of noise. This level is low enough to allow you to carry on normal conversations while it cycles. In addition, this compressor has an industrial oil-free pump and a 2.8 Amp direct-drive induction motor. These 2 features make it a great choice for businesses.
Low-noise models of air compressors are available for the construction industry. However, these compressors are not necessarily low-quality, which is why you should consider the noise level of your air tool before purchasing one. The specialists at CZPT can recommend the low-noise models for your particular application and space. Noise can distract people who work near the air compressor. That is why many businesses now opt for these models.

Oil-free models

A number of oil-free models of air compressors are available, but what makes them special? Oil-free compressors don’t contain oil, so they’re lubricated by grease instead. They’re a good choice if you’re working with a small compressor and don’t want to risk damaging it. On the other hand, oil-free models do generate significant amounts of heat, which can damage the compressor. Higher pressure can grind the compressor against itself, or even warp it.
A few words of knowledge can help you choose the best oil-free air compressor for your needs. For example, a compressor’s horsepower is a measurement of how powerful the motor is. Higher horsepower means a higher PSI or ACFM. You can also use the ACFM to compare the two. Scroll technology is a modern air compression system that uses a stationary and mobile spiral. This reduces the volume of air in the compressor by directing it to the center.
Purchasing an oil-free air compressor doesn’t have to be a daunting task, though. A good distributor can advise you on what type of oil-free air compressor is right for you. This way, you can save money and enjoy peace of mind while using your air compressor. And, of course, the best way to get a great deal on an air compressor is to speak to a distributor who is knowledgeable about the products available.
An oil-free air compressor is a great option for businesses that are sensitive to the contamination of air. For example, in the pharmaceutical and food industry, a minuscule oil could spoil a product or even damage production equipment. Oil-free air compressors generally have lower maintenance costs than oil-flooded models because there are fewer moving parts. Because of this, oilless air compressors require fewer maintenance and may still need to be replaced occasionally.
A few advantages of an oil-free air compressor over an oil-lubricated 1 include lower noise levels. Oil-free air compressors tend to be less noisy and run more quietly than oil-injected ones, but you should still carefully weigh the pros and cons before making a decision. Also, consider how much you use your air compressor before choosing a model. The pros outweigh the cons. In the end, you’ll be glad you chose an oil-free air compressor.