HASEGAWA VM42 RM Compound Compressor and Spare Parts
VM42RM compressors should not be operated beyond the following limits:
Compressor RPM: Max. = 1250 rpm (VM =1500rpm) Min. = 600 rpm
Compression ratio* Max. = 15 Target Max: R717 ?10, R22 ?11
Pressure difference Max. = 227 psi (16.47 kg/cm″) [1.6MPa]
Suction pressure, Two stage compressors:
Max. 28 psig (C.S.T: R717 = 14°F, R22 = 5°F)
Max. 0.2 MPaG (C.S.T: R717 = -10°C, R22 = -15°C)
Min. 11 psig (C.S.T: R717 = -76°F, R22 = -94°F)
Min. -0.08MPaG (C.S.T: R717 = -60°C, R22 = -70°C)
RM type compressor
Max. Determined by motor capacity.
Min. 11 psig (C.S.T: R22 = -94°F)
Min. -0.08MPaG (C.S.T: R22 = -70°C)
Model VM42
Cylinders: 4+2
RPM (Max): 1200
Bore In.: 115mm
Stroke In. 90mm
Unloading Steps 4-2
Suction In. 80mm
Discharge Low Stage In.: 40 mm
Suction High Stage In.: 40 mm
Discharge In.: 32 mm
Net Weight kg 1290
Oil Charge Litres: 25
Discharge pressure Below: 213 psig (C.S.T: R717 = 104°F, R22 = 104°F)
1.5 MPaG (C.S.T: R717 = 40°C, R22 = 40°C)
When compression ratio is high, temperature of discharge gas should be less than
248°F.
Oil Pressure: Max. = 114 psig Min. = 28 psi Differential
Max. = 8kg/cm2G Min. = 2kg/cm2 Differential
Oil Temperature: Max. = 140°F Min. = 59°F
Max. = 60°C Min. = 15°C
Normal operation = 131°F Normal operation = 55°C
Please don’t hesitate to contact with us.
Best Regards,
Arnoma NESW S.L.
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