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Permanent Magnetic Freouency Conversion Screw Air Compressor

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Domestic Business Division:0595-87592399

Foreign Business Division:+86-595-87599590

E-mail:ribao@ribao.cc

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Product Description

Permanent magnetic frequency conversion screw air compressor adopt inverter driven. Therefore, when the air compressor is starting, it adopt “soft start" , will protect the motor.


Under the same air delivery of Permanent magnet frequency/ normal frequency conversion / without frequency conversion compressor , compare to the input power!

Testing working condition explain

1. The same mainframe in normal frequency conversion and normal compressor

2. The mainframe of permanent magnet frequency have a big specification

3. Air deliver and power simplify 1 under the loading of normal compressor

4. The testing point under full of unloading in order to normal compressor loading air delivery as standard

5. Different unloading rate testing point in order to normal compressor as a benchmark


Technical Parameters

Model HDM-10 HDM-15 HDM-20 HDM-30 HDM-50 HDM-75 HDM-100
Free Air Delivery(m³/min) /
Discharge Pressure(MPa)
1.03/0.8 2.04/0.8 2.43/0.8 3.59/0.8 6.28/0.8 10.0/0.8 12.47/0.8
0.94/1.0 1.58/1.0 2.22/1.0 3.55/1.0 5.42/1.0 9.25/1.0 10.84/1.0
0.86/1.2 1.32/1.2 1.99/1.2 3.02/1.2 4.55/1.2 7.24/1.2 9.96/1.2
Discharge Temperature(℃) Working temperature:below+10℃
Noise dB(A) 58 ±2dB(A) 62±2dB(A) 65±2dB(A)
Power Voltage(V)/Frequency(HZ) 380/50
Power(KW) 7.5 11 15 22 37 55 75
Starting Method Y-△(Variable frequency start)
Drive Method Direct Driver
Cooling way Air-cooled
Dimensiea Length(mm) 1000 1200 1200 1300 1450 1700 1900
Width(mm) 700 800 800 900 950 1000 1100
Height(mm) 850 1050 1050 1200 1250 1450 1500
Net weight(kg) 200 300 350 420 580 940 1100
The outlet pipe diameter G3/4" G1" G1" G1" G1-1/2" G1-1/2" G2"

Model HDM-125 HDM-150 HDM-175 HDM-225 HDM-250 HDM-300 HDM-350
Free Air Delivery(m³/min) / Discharge Pressure(MPa) 15.35/0.8 19.22/0.8 21.83/0.8 25.45/0.8 29.4/0.8 33.9/0.8 41.4/0.8
13.24/1.0 16.12/1.0 18.99/1.0 21.61/1.0 26.84/1.0 30.9/1.0 33.59/1.0
12.21/1.2 14.97/1.2 18.8/1.2 21.39/1.2 23.3/1.2 28.8/1.2 30.59/1.2
Discharge Temperature(℃) Working temperature:below+10℃
Noise dB(A) 70 ±2dB(A) 78±2dB(A)
Power Voltage(V)/Frequency(HZ) 380/50
Power(KW) 90 110 132 160 185 220 250
Starting Method Y-△(Variable frequency start)
Drive Method Direct Driven
Cooling way Air-Cooled
Dimensiea Length(mm) 2300 2300 2500 2850 2850 3600 3600
Width(mm) 1300 1300 1400 1800 1800 2000 2000
Height(mm) 1650 1650 1800 2150 2150 2400 2400
Net weight(kg) 1780 1780 2050 3430 3550 4150 5000
The outlet pipe diameter G2-1/2" G2-1/2" DN80 G2-1/2" DN100 DN100 DN100

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