FIELD: compressor manufacture.
SUBSTANCE: multistage gas compressor 1 includes low-pressure zone 7 and high-pressure zone 4. High pressure zone 4 includes at least one piston compressor 3 driven through crankshaft 5. Low-pressure zone 7 includes as low-pressure compressor 6 at least one screw compressor 20 with rotating displacing unit joined with crankshaft 5 of piston compressor 3. Cooling device and condensate separator are arranged between piston compressor and screw compressor.
EFFECT: improved design.
13 cl, 4 dwg
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