Compressors for natural and casing-head gas compression

The compressors are designed for natural and casing-head gas compression. Compressors design version is piston, on opposite bases.
Moving mechanism lubrication is of circulating pressured type by gear-type pump.
Cylinders and rod sealing devices lubrication is of forced type by multiplunger pump.
Cylinders cooling system is liquid, closed, forced. Interstage gas cooling is water, closed with drainage.
Automatic control, check and protection system ensures main parameters control, preventive and emergency signaling as well as drive motor interlock.

Specifications

Compressor
type		 Compressed
medium		 Capacity Pressure abs.,
MPa		 Consumed
power,
kW		 Overall
dimensions,
m		 Weight
without
electric
motor, t
m3/min Nm3/min suction discharge
2GM2.5-2200/20-55 Natural gas 1.8 36.7 2.00 5.50 50 4.3 x 2.6 x 1.8 5.8*
4GM2.5-2200/9-32 Natural gas 4.08 36.7 1.9-2.8 3.17-3.7 74.2 6.3 x 3.6 x 2.2 9.9*
2GM4-19/1.5-13 Natural gas 19 28.5 0.05-0.1 13 200 2.68 x 3.21 x 1.48 4.0
2GM10-4/40-120S Natural gas 4 171 4.1-4.6 12 375 3.0 x 3.3 x 2.2 26.7*
4GM10-40/3-22S Natural gas 40 112 0.2 22 710 3.23 x 4.96 x 0.9 17.5
2GM10-25/1.05-70 Spent gas with
methane content		 23.7 25 0.105 7 330 3.04 x 5.6 x 3.1 23.3
4GM16-14/15-104M1 Ethane,
ethylene		 15.2-16.1 274-348 2.04-2.37 9.85 962 13.0 x 9.8 x 5.2 56.4
6GM25-210/4-60M Natural,
casing-head gas		 209.4 470 0.24 5.90 3850 17.1 x 12.7 x 5.7 119.0
6GM25-180/3-75 Natural,
casing-head gas		 180.0 400 0.24 7.35 3850 17.1 x 12.7 x 5.7 119.0
6GM40-16/100-420 Natural gas 16.3 1470 9.90 41.30 6080 23.3 x 18.0 x 6.0 180.5
GPA-P-0.5/4-46S Natural gas 17-36.5 68-146 0.3-2.1 4.6 max 493 9.45 x 7.4 x 3.8 56**


 Note:
 compressor weight marked with * is given with consideration for its electric motor;
 compressor weight marked with ** is given with consideration for its gas drive.

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