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VSD Compressor

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Direct Driven VSD

Thanks to the variable-speed control technology, the capacity of compressors can be perfectly combined with the air use of users, which downright avoid the unloading power loss. In intermittent air use, the minimized load of soft start eliminates the starting frequency of the peak current and further smooth start can reduce the power supply, equipment costs as well as the impact on the network power.

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Every model has a corresponding frequency conversion compressor, which controls the air delivery by changing the rotational speed of motor, making the air output and electricity consumption smoothly vary the air supply decreases and so does the electricity consumption for energy conservation. For capacity ranging from 2 to 60m3/min and discharge pressure from 0.5-1.3Mpa. There are corresponding models available to customers with different requirements.
 
In addition to that frequency conversion air compressors have the same good quality as other ERC model, the quality frequency converter will further better the result of energy conservation. With the help of the PID regulator disposed in frequency converter, it can start up smoothly, causes little impact on the power grid and generates great low-frequency start moment of current vector control and small running current. When the air use decreases, the compressors enter the sleeping status, saving considerable energy. Moreover, digital to analog conversion is highly accurate and the integration design features few fault points.

Life of compressor air end:
Rotors are asymmetric in profile and backed up by ball bearings and roller bearings and operate at a low speed. Helical gears can produce axial force to kill some acting force, which reduces the load of the bearing of compressor air end. Thereby low in abrasion and maintenance and repair expenses and the compressor air end being long in service life.
 
More reliable operation:
With frequency conversion soft start reduce in-rush starting current, reduce wear on electrical switch gears and motor windings. Also maintain less power during starting and stopping of motors and increase protection to motors. Also reduce peak demand and improve power factor.

In the case of rated power license setting desired pressure at discretion, and maintaining constant pressure at discretion, and maintaining constant pressure:

 

User to choose any delivery pressure between 4-13bar without any gears or belt change. When the use of air increases the unit increases air output through automatic acceleration of rotational speed to avoid a falling pressure and ensure volume at constant pressure. When the use of air decreases, the unit reduces air output by automatically lowering the rotational speed to avoid pressure increase and ensure continued air supply constant pressure.



Efficiency and energy conservation:
Thanks to the variable-speed control technology, the capacity of compressors can be perfectly combined with the air use of users, which downright avoid the unloading power loss. In intermittent air use, the minimized load of soft start eliminates the starting frequency of the peak current and further smooth start can reduce the power supply, equipment costs as well as the impact on the network power.

 


 

Product Photos

Direct Driven VSD Compressor

 

Product Application

application of direct driven VSD compressor

 

Quality Control

Elang compressor QC

Factory Photo

compressor factory

 

Packaging & Shipping

packaging and shipping of Direct Driven VSD Compressor

 

Our customers

Elang customers

 

Certificates

Elang certificates

 

RFQ:

Q1.Why customer choose us?
A:ELANG INDUSTRIAL (SHANGHAI) CO., LTD., with 18 years old history, we are specialized in Rotary Screw Air Compressor. Germany Standard and 10years exporting experience help us won more than 50 loyal foreign agents. We warmly welcome your small trial order for quality or market test.

Q2.Are you a manufacturer or trading company?
A:We are professional manufacturer with big modern factory in Shanghai,China.
Both OEM & ODM service can be accepted.

Q3.What’s your delivery time?
A:Generally 3 to 7 days, if urgently order, pls contact our sales in advance.

Q2.Are you a manufacturer or trading company?
A:We are professional manufacturer with big modern factory in Shanghai,China.
Both OEM & ODM service can be accepted.

Q4.How long is your air compressor warranty?
A:One year for the whole machine and two years for screw air end, except consumble spare parts.

Q5.How long could your air compressor be used?
A:Generally, more than 10 years.

Q6. What's payment term?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc.
Also we could accept USD, RMB, Euro and other currency.

Q7.How about your customer service?
A:24 hours on-line service available. 48hours problem sovled promise.

Q8.How about your after-sales service?
A:1. Provide customers with intallation and commissioning online instructions.
2. Well-trained engineers available to overseas service.
3. Worldwide agents and after service avaiable.arrange our engineers to help you training and installation.

 

Related Products:

 

Extended Content:
Tips for Screw Compressors Running in High Temperature Seasons


Model

Air delivery /Working pressure

Motor

Cooling air volume

Cooling water volume

Connect pipe diam.

Dimension(mm)

Weight

m3/min/bar

KW

m3/min

L/min

Kg

ERC-30SA/SW

1.52-3.8/7

1.4-3.6/8

1.28-3.2/10

1.08-2.5/12.5

22

110

14.5

1 1/4"

1380*850*1150

665

ERC-40SA/SW

2.08-5.3/7

2.0-5.0/8

1.72-4.3/10

1.48-3.6/12.5

30

145

20

1 1/4"

1450*900*1220

925

ERC-50SA/SW

2.56-6.6/7

2.4-6.2/8

2.2-5.7/10

1.84-4.6/12.5

37

145

25

1 1/2"

1595*1000*1365

1110

ERC-60SA/SW

3.2-8.0/7

3.08-7.7/8

2.6-6.9/10

2.16-6.0/12.5

45

185

30

1 1/2"

1595*1000*1450

1210

ERC-75SA/SW

4.2-10.5/7

3.92-9.8/8

3.4-8.7/10

2.84-7.3/12.5

55

220

39.9

2"

2100*1250*1700

1810

ERC-100SA/SW

5.4-13.6/7

5.16-13.0/8

4.4-11.3/10

3.76-10.1/12.5

75

250

51

2"

2100*1250*1700

1900

ERC-120SA/SW

6.4-16.2/7

6.16-15.4/8

5.6-13.2/10

4.6-11.2/12.5

90

270

61

2"

2100*1250*1700

2190

ERC-150SA/SW

8.32-20.8/7

7.8-19.5/8

6.3-16.5/10

5.2-13.7/12.5

110

420

79

DN65

2500*1550*1900

3030

ERC-175SA/SW

9.6-24.0/7

9.2-23.0/8

7.4-20.0/10

5.8-15.5/12.5

132

460

91

DN65

2545*1450*1900

3320

ERC-200SA/SW

11.08-27.8/7

10.2-26.0/8

9.0-23.5/10

7.32-19.5/12.5

160

510

105

DN65

2790*1550*2000

3720

ERC-250SA/SW

13-32.5/7

12.4-31.0/8

9.8-26.0/10

8.0-21.6/12.5

185

510

123.5

DN80

2790*1550*2000

3930

ERC-270SA/SW

13.6-34.5/7

12.8-33.0/8

11.2-28.0/10

9.4-23.5/12.5

200

620

131

DN80

2850*1700*2000

4550

ERC-300SA/SW

14.8-38.0/7

14.0-36.5/8

12.032.0/10

10.4-27.0/12.5

220

710

144

DN100

3150*2000*2120

5080

ERC-330SA/SW

17.2-43.0/7

16.2-40.5/8

13.6-36.5/10

12.0-32.0/12.5

250

800

163

DN100

3150*2000*2120

5700

ERC-375SA/SW

21.0-51.5/7

20.0-50.0/8

18.0-45.0/10

14.8-37.0/12.5

280

890

202

DN125

4000*2000*2100

6500

ERC-420SA/SW

21.6-56.0/7

18.8-55.0/8

15.6-49.0/10

13.4-41.0/12.5

315

960

212

DN125

4600*2300*2400

7850

Notes: A means air cooling, W means water cooling. 


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