VFD Variable Speed Frequency Rotary Screw Air Compressors

• Customization: Available
• Lubrication Style: Lubricated
• Cooling System: Air Cooling
• Model NO.: DVA Series
• Cylinder Position: Vertical
• Structure Type: Closed Type
• Installation Type: Stationary Type
• Type: Twin-Screw Compressor
• Configuration: Stationary
• Mute: Mute
• Advantage: Incredible Energy Saving
• Brand: Denair
• Performance: Energy Saving
• Air End: Germany Air End
• Transport Package: Plywood Pallet Standard Export Packing
• Specification: All pass ISO9001, GC, BV standard
• Trademark: Denair
• Origin: China
• HS Code: 8414809090
• Production Capacity: 300 Sets/Month
• Package Size: 215.00cm * 130.00cm * 115.00cm
• Package Gross Weight: 2500.000kg

Product Description

VFD Variable Speed Frequency Rotary Screw Air Compressors

1. Variable speed drive
2. Controllable cost, incredible energy saving
3. One year warranty for the whole machine
4. Pass CE, ISO9001 Quality Certificate
5. Complete before-on-after sales service

A. Variable Frequency Advantage
(why does variable frequency air compressor save incredible energy? )
1. Remove the inefficient conversion process from full load to unload
2. Avoid unloading
3. Reduce the average working pressure
4. Soft starter increases motor current's balance and avoide current impact
5. Adjustable air flow and working pressure from 4bar to 13bar

B. Our DENAIR Variable frequency air compressor's Advantage
Inner main spare parts use high quality famous brand
1. Bearings use Sweden SKF Brand
2. Electric motor uses 3-phase asynchronous IP54 or IP55 Zoda brand
3. Variable frequency inverter uses Switzerland ABB brand
4. Air and Oil filter use Germany Mann brand
5. Air inlet valve uses Austria Hoerbiger brand

C, Our Variable frequency air compressor series
We have belt driven screw type and direct driven screw type
1. Motor power range: 7-250kw
2. Air flow range: 0.24-45 m3/min
3. Working presssure: 4-13bar


Technical Parameters Of VFD Variable Speed Frequency Rotary Screw Air Compressors:

Model	Maximum  working pressure		Capacity       FAD		Installed  motor power		Driving Mode& Cooling Method	Dimensions (mm)			Weight (kg)	Noise level [dB(A)]	Air outlet pipe diameter
	bar(e)	psig	m³/min	cfm	kW	hp		L	W	H
DVA-18G	7.5	109	1.46-2.91	51.6-102.8	18.5	25	Belt Driven Air Cooling	1000	900	1150	500	65±2	G1"
	8.5	123	1.45-2.89	51.2-102	18.5	25		1000	900	1150	500	65±2	G1"
	10.5	152	1.44-2.87	50.8-101.3	18.5	25		1000	900	1150	500	65±2	G1"
	13	189	1.08-2.16	38.1-76.3	18.5	25		1000	900	1150	500	65±2	G1"
DVA-22G	7.5	109	1.89-3.78	66.7-133.5	22	30		1050	1200	1300	550	65±2	G1 1/4"
	8.5	123	1.87-3.73	66-131.7	22	30		1050	1200	1300	550	65±2	G1 1/4"
	10.5	152	1.55-3.09	54.7-109.1	22	30		1050	1200	1300	550	65±2	G1 1/4"
	13	189	1.38-2.76	48.7-97.5	22	30		1050	1200	1300	550	65±2	G1 1/4"
DVA-30G	7.5	109	2.3-4.59	81.2-162.1	30	40		1050	1200	1300	600	65±2	G1 1/4"
	8.5	123	2.25-4.5	79.4-158.9	30	40		1050	1200	1300	600	65±2	G1 1/4"
	10.5	152	2.16-4.32	76.3-152.5	30	40		1050	1200	1300	600	65±2	G1 1/4"
	13	189	1.89-3.78	66.7-133.5	30	40		1050	1200	1300	600	65±2	G1 1/4"
DVA-37G	7.5	109	3.56-7.11	125.7-251.1	37	50		1050	1200	1300	650	65±2	G1 1/4"
	8.5	123	3.35-6.7	118.3-236.6	37	50		1050	1200	1300	650	65±2	G1 1/4"
	10.5	152	2.76-5.51	97.5-194.6	37	50		1050	1200	1300	650	65±2	G1 1/4"
	13	189	2.22-4.43	78.4-156.4	37	50		1050	1200	1300	650	65±2	G1 1/4"
DVA-45G	7.5	109	4-7.99	141.2-282.1	45	60		1200	1350	1500	800	68±3	G1 1/2"
	8.5	123	3.99-7.97	140.9-281.4	45	60		1200	1350	1500	800	68±3	G1 1/2"
	10.5	152	3.97-7.93	140.2-280	45	60		1200	1350	1500	800	68±3	G1 1/2"
	13	189	2.76-5.51	97.5-194.6	45	60		1200	1350	1500	800	68±3	G1 1/2"
DVA-55G	7.5	109	5.13-10.26	181.1-362.3	55	75		1200	1350	1500	850	68±3	G1 1/2"
	8.5	123	5.08-10.15	179.4-358.4	55	75		1200	1350	1500	850	68±3	G1 1/2"
	10.5	152	4.54-9.07	160.3-320.3	55	75		1200	1350	1500	850	68±3	G1 1/2"
	13	189	3.78-7.56	133.5-266.9	55	75		1200	1350	1500	850	68±3	G1 1/2"
DVA-75G	7.5	109	7.68-15.36	271.2-542.4	75	100		1500	1450	1600	1000	72±3	G2"
	8.5	123	7.65-15.29	270.1-539.9	75	100		1500	1450	1600	1000	72±3	G2"
	10.5	152	6-11.99	211.9-423.4	75	100		1500	1450	1600	1000	72±3	G2"
	13	189	5.81-11.62	205.2-410.3	75	100		1500	1450	1600	1000	72±3	G2"
DVA-90	7.5	109	7.68-15.36	271.2-542.4	90	120		2150	1300	1550	1900	72±3	DN50
	8.5	123	7.65-15.29	270.1-539.9	90	120		2150	1300	1550	1900	72±3	DN50
	10.5	152	7.02-14.04	247.9-495.8	90	120		2150	1300	1550	1900	72±3	DN50
	13	189	5.83-11.66	205.9-411.7	90	120		2150	1300	1550	1900	72±3	DN50

Company Profile:

Shanghai Denair(group)CO,.Ltd. is a Sino-German joint venture enterprise group integrating R&D,manufacturing and marketing.The company brought in advanced compressor R&D and manufacturing and marketing.The company brought in advanced compressor R&D and manufacturing technology of Germany Denair Group to make product development and large-scale production,including piston air compressors,double screw air compressors,Portable Air compressor,High and Medium Pressure Air Compressors, oil free air compressor and compressed air treatment equipment.


FAQ:

Q1: Are you factory or trade company?  
A1: We are factory.
Q2: What the exactly address of your factory? 
A2:Our company is located in No. 6767, Tingfeng Rd. Jinshan District, Shanghai 201502, China
And our factory is located in No.58,Hulu road, Xinbang Town, Industrial area, Songjiang District, Shanghai, China
Q3: Warranty terms of your machine? 
A3: One year 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.