Variable Frequency Screw Air Compressor

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Last update: 2017-11-30 18:08
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Variable-frequency screw air compressor series

Introduction

Every omdel has a corresponding frequency conversion compressor , which controls the air flow by changing the rotational speed of motor, making the air output and electricity consumption smoothly vary synchronously with the different air flow.When the air use quantity falls, the air supply decreases and then the electricity consumption for energy conservation, for capacity ranging from 2 to 60m3/min and discharge pressure from 0.5 to 1.3MPA,There are correspoonding models available to customers with different requirements.

Variable frequency air compressor have the same good quality as other models, the quality frequency converter will further better the result of energy conseservation, with the help of the PID regulator disposed in a frequency converter, it can start up smoothly, it 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 bare compressor

Rotors are asymmetric in profile and backed up by ball bearings and roller bearings and operate at a low speed, thereby low in abrasion and maintenance and repair expenses and the bare compressor being long in service life.Helical gears can produce axial force to kill some acting force, which reduces the load of the bearing of bare compressor.

Technical parameters

Belt transmission frequency screw air compressor Technical parameters

Model YD -ERC YD -ERC YD -ERC YD -ERC YD -ERC YD -ERC YD -ERC YD -ERC YD -ERC YD -ERC
15SA 20SA 25SA 30SA 30SW 40SA 40SW 50SA 50SW 60SA
Type of cooling air-cooling air-cooling air-cooling air-cooling water-cooling air-cooling water-cooling air-cooling water-cooling air-cooling
Air delivery/ 0.68-1.7/7 0.96-2.4/7 1.24-3.1/7 1.52-3.8/7 1.52-3.8/7 2.08-5.3/7 2.08-5.3/7 2.56-6.6/7 2.56-6.6/7 3.2-8.0/7
working pressure 0.64-1.65/8 0.88-2.2/8 1.16-2.9/8 1.4-3.5/8 1.4-3.5/8 2.0-5.0/8 2.0-5.0/8 2.4-6.2/8 2.4-6.2/8 3.08-7.7/8
(m3/ bar) 0.56-1.5/10 0.84-2.1/10 1.08-2.7/10 1.28-3.2/10 1.28-3.2/10 1.72-4.3/10 1.72-4.3/10 2.2-5.7/10 2.2-5.7/10 2.6-6.9/10
0.48-1.3/12.5 0.68-1.8/12.5 0.88-2.2/12.5 1.08-2.5/12.5 1.08-2.5/12.5 1.48-3.6/12.5 1.48-3.6/12.5 1.84-4.6/12.5 1.84-4.6/12.5 2.16-6.0/12.5
Power (kw) 11 15 18.5 22 22 30 30 37 37 45
Voltage/power 380/50, 400/50, 415/50, 440/50 , 575/60, 460/60, 220/60
(V/HZ)
Start Method AC converter Y-△
Noise db(A) 72±5, measure according standard GB/T4980-2003
Content of oil discharge <3ppm
Air outlet temp Ambient temperature +15℃
Cooling air volume 50 50 110 110 145 145 185
(m3/min)
Cooling water volume 14.5 20 25
(L/min)
Pipe connection size 1” 1” 1” 1” 1” 11/4” 11/4” 11/4” 11/4” 11/2”
Total Weight 460 460 645 665 665 925 925 980 980 1210
(kg)
Size L 1150 1150 1200 1200 1200 1250 1250 1350 1350 1500
(mm) W 700 700 850 850 850 900 900 950 950 1000
H 1180 1180 1250 1280 1280 1360 1360 1600 1600 1480


Model YD -ERC YD -ERC YD -ERC YD -ERC YD -ERC YD -ERC YD -ERC
60SW 75SA 75SW 100SA 100SW 120SA 120SW
Type of cooling water-cooling air-cooling water-cooling air-cooling water-cooling air-cooling water-cooling
Air delivery/ 3.2-8.0/7 4.2-10.5/7 4.2-10.5/7 5.4-13.6/7 5.4-13.6/7 6.4-16.2/7 6.4-16.2/7
working pressure 3.08-7.7/8 3.92-9.8/8 3.92-9.8/8 5.16-13/8 5.16-13/8 6.16-15.4/8 6.16-15.4/8
(m3/ bar) 2.6-6.9/10 3.4-8.7/10 3.4-8.7/10 4.44-11.3/10 4.44-11.3/10 5.6-13.2/10 5.6-13.2/10
2.16-6.0/12.5 2.84-7.3/12.5 2.84-7.3/12.5 3.7-10.1/12.5 3.7-10.1/12.5 4.6-11.2/12.5 4.6-11.2/12.5
Power (kw) 45 55 55 75 75 90 90
Voltage/power 380/50, 400/50, 415/50, 440/50, 575/60, 460/60, 220/60
(V/HZ)
Start Method AC converter Y-△
Noise db(A) 72±5, measure according to the standard GB/T4980-2003
Content of oil discharge <3ppm
Air outlet temp Ambient temperature +15℃
Cooling air volume 220 250 270
(m3/min)
Cooling water volume 30 39.9 51 61
(L/min)
Pipe connection size 11/2” 2” 2” 2” 2” 2” 2”
Total Weight 1210 1810 1810 1900 1900 2190 2190
(kg)
Size L 1500 2100 2100 2100 2100 2100 2100
(mm) W 1000 1320 1320 1320 1320 1320 1320
H 1480 1700 1700 1700 1700 1700 1700
Coupling transmission frequency screw air compressor Technical parameters


Model YD -ERC YD -ERC YD -ERC YD -ERC YD -ERC YD -ERC YD -ERC YD -ERC YD -ERC YD -ERC
30SA 40SA 50SA 60SA 60SW 75SA 75SW 100SA 100SW 120SA
Type of cooling air-cooling air-cooling air-cooling air-cooling water-cooling air-cooling water-cooling air-cooling water-cooling air-cooling
Air delivery/ 1.52-3.8/7 2.08-5.3/7 2.56-6.6/7 3.2-8.0/7 3.2-8.0/7 4.2-10.5/7 4.2-10.5/7 5.4-13.6/7 5.4-13.6/7 6.4-16.2/7
working pressure 1.4-3.6/8 2.0-5.0/8 2.4-6.2/8 3.08-7.7/8 3.08-7.7/8 3.92-9.8/8 3.92-9.8/8 5.16-13/8 5.16-13/8 6.16-15.4/8
(m3/ bar) 1.28-3.2/10 1.72-4.3/10 2.2-5.7/10 2.6-6.9/10 2.6-6.9/10 3.4-8.7/10 3.4-8.7/10 4.44-11.3/10 4.44-11.3/10 5.6-13.2/10
1.08-2.5/12.5 1.48-3.3/12.5 1.84-4.6/12.5 2.16-6.0/12.5 2.16-6.0/12.5 2.84-7.3/12.5 2.84-7.3/12.5 3.76-10.1/12.5 3.76-10.1/12.5 4.6-11.2/12.5
Power (kw) 22 30 37 45 45 55 55 75 75 90
Voltage/power 380/50, 400/50, 415/50, 440/50, 575/60, 460/60, 220/60
(V/HZ)
Start Method Converter Y-△
Noise db(A) 72±5? measure according to the standard GB/T4980-2003
Content of oil discharge <3ppm
Air outlet temp Ambient temperature +15℃
Cooling air volume 110 145 145 185 220 250 270
(m3/min)
Cooling water volume 30 39.9 51
(L/min)
Pipe connection size 11/4” 11/4” 11/2” 11/2” 11/2” 2” 2” 2” 2” 2”
Total Weight 665 925 1110 1210 1210 1810 1810 1900 1900 2190
(kg)
Size L 1380 1380 1595 1595 1595 2100 2100 2100 2100 2100
(mm) W 850 850 1000 1000 1000 1250 1250 1250 1250 1250
H 1150 1150 1365 1365 1365 1700 1700 1700 1700 1700


Model YD -ERC YD -ERC YD -ERC YD -ERC YD -ERC YD -ERC YD -ERC YD -ERC YD -ERC YD -ERC
120SW 150SA 150SW 175SA 175SW 200SA 200SW 250SA 250SW 270SA
Type of cooling water-cooling air-cooling water-cooling air-cooling water-cooling air-cooling water-cooling air-cooling water-cooling air-cooling
Air delivery/ 6.4-16.2/7 8.32-20.8/7 8.32-20.8/7 9.6-24/7 9.6-24/7 11.08-27.8/7 11.08-27.8/7 13-32.5/7 13-32.5/7 13.6-34.5/7
working pressure 6.16-15.4/8 7.8-19.5/8 7.8-19.5/8 9.2-23/8 9.2-23/8 10.2-26/8 10.2-26/8 12.4-31.0/8 12.4-31.0/8 12.8-33/8
(m3/ bar) 5.6-13.2/10 6.3-16.5/10 6.3-16.5/10 7.4-20/10 7.4-20/10 9.0-23.5/10 9.0-23.5/10 9.8-26/10 9.8-26/10 11.2-28/10
4.6-11.2/12.5 5.2-13.7/12.5 5.2-13.7/12.5 5.8-15.5/12.5 5.8-15.5/12.5 7.32-19.5/12.5 7.32-19.5/12.5 8.0-21.6/12.5 8.0-21.6/12.5 9.4-23.5/12.5
Power (kw) 90 110 110 132 132 160 160 185 185 200
Voltage/power 380/50, 400/50, 415/50, 440/50, 575/60, 460/60, 220/60
(V/HZ)
Start Method AC converter Y-△
Noise db(A) 72±5, measure according to the standard GB/T4980-2003
Content of oil discharge <3ppm
Air outlet temp Ambient temperature +15℃
Cooling air volume 420 460 510 510 620
(m3/min)
Cooling water volume 61 79 91 105 123.5
(L/min)
Pipe connection size 2 DN65 DN65 DN65 DN65 DN65 DN65 DN80 DN80 DN80
Total Weight 2190 3030 3030 3320 3320 3720 3720 3930 3930 4550
(kg)
Size L 2100 2545 2500 2545 2500 2650 2650 2650 2650 2850
(mm) W 1250 1450 1550 1450 1500 1550 1550 1550 1550 1700
H 1700 1900 1900 1900 1900 1920 1920 1920 1920 2000


Model YD -ERC YD -ERC YD -ERC YD -ERC YD -ERC YD -ERC YD -ERC YD -ERC YD -ER
270SW 300SA 300SW 330SA 330SW 375SA 375SW 420SA 420SW
Type of cooling water-cooling air-cooling water-cooling air-cooling water-cooling air-cooling water-cooling air-cooling water-cooling
Air delivery/ 13.6-34.5/7 14.8-38.0/7 14.8-38.0/7 17.2-43.0/7 17.2-43.0/7 21-51.5/7 21-51.5/7 21.6-56.0/7 21.6-56.0/7
working pressure 12.8-33/8 14.0-36.5/8 14.0-36.5/8 16.2-40.5/8 16.2-40.5/8 20-50/8 20-50/8 18.8-55.0/8 18.8-55.0/8
(m3/ bar) 11.2-28/10 12.0-32.0/10 12.0-32.0/10 13.6-36.5/10 13.6-36.5/10 18-45/10 18-45/10 15.6-49.0/10 15.6-49.0/10
9.4-23.5/12.5 10.4-27.0/12.5 10.4-27.0/12.5 12.0-32.0/12.5 12.0-32.0/12.5 14.8-37/12.5 14.8-37/12.5 13.4-41/12.5 13.4-41/12.5
Power (kw) 200 220 220 250 250 280 280 315 315
Voltage/power 380/50, 400/50, 415/50, 440/50, 575/60, 460/60, 220/60? 6KV,10KV
(V/HZ)
Start Method AC converter Y-△
Noise db(A) 72±5, measure according to the standard GB/T4980-2003
Content of oil discharge <3ppm
Air outlet temp Ambient temperature +15℃
Cooling air volume 710 800 890 960
(m3/min)
Cooling water volume 131 144 163 202 212
(L/min)
Pipe connection size DN80 DN100 DN100 DN100 DN100 DN125 DN125 DN125 DN125
Total Weight 4550 5080 5080 5700 5700 6500 6500 7850 7850
(kg)
Size L 2850 3400 3400 3600 3600 4000 4000 4200 4200
(mm) W 1700 1950 1950 2000 2000 2000 2000 2300 2300
H 2000 2020 2020 2020 2020 2100 2100 2400 2400

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