Wide range applications in nitrogen boosting, CNG refueling station, HP air compressor sets etc.

    High precise, balanced design minimizes vibration, crankshaft fatigue, bearing bush load, increasing service life as a result;

Frame: One piece, cast iron heavily ribbed casting with tie bolt construction. Aluminum top cover and end covers;

Crosshead: one piece ductile, with replaceable tri-metal shoes;

Bearings: Precise, split shell, steel backed tri-metal main and connecting rod bearings, held in place by 4-bolt;

Connecting rod: Closed die forged SAE1045 steel, heat treated, precision machined, H-section, rifle drilled for pin lubrication;

Crankshaft: Closed die forged from a solid billet of heat-treated SAE 4140 steel, fully machined and balanced. Main bearing journals are 7in. (178 mm), Centerline from bottom of frame is 20 in (508 mm);

WH Series inherits MH Series’ advantage of supporting a large number of standard cylinders;

Compared with MH Series, WH Series makes further improvements on the particular functional parts of piston, piston rod, and cylinder, to meet the requirements of heavy duty, high speed operation.

Maximum RPM, 1200 rpm, Maximum discharge pressure, 42Mpa;

Wide range applications in natural gas processing, fuel gas boosting, gas injection, gas storage, gas lifting, etc.