1, POWER END FEATURES

Continuous tooth herringbone gear. One-piced alloy steel crank. Renewable crosshead guide. The frame is made of welded steel plate to provide the frame weth high stregth, good rigidity and light weitht. T he extension rod packing is of duplex seal structure to probide the good seal result. The power end uses the combined lubrication system of duplex seal structure to provide the good seal result. The power end uses the combined lubrication system of force lubrication and splash lubrication.

2, Crankshaft

The crankshaft is made of cast alloy steel and is furnished with big geared ring, connecting rod and bearing.

3. Cylinder

The cylinder is made of forged alloy steel. Three cylinders of each pump are interchangeable. Valve -over-valve desigy reduces the cylindet volume and promotes the voluetric efficiency. At customers' request, the cylinder surface may be nickel plated to inprove the abrasion resistance.