Kehua’s pistons meet the API-7K standard. After many tests by our engineers at the drilling site, the service life of the designed pistons is 30% longer than that of the peers.

Kehua’s pistons are made with tough and durable rubber for all pressure, available in single-acting and double-acting in variety sizes for most pumps, especially in: Long-life bonded piston with rubber and fabric; Long-life bonded pistons with NBR.

All the above pistons and piston rubbers, which are ideally suitable for either oil-base of water-base muds, can be ensured universal interchanged ability, max service life and min liner wear, when you have running at min cost. Kehua also offers the relevant piston rubbers made of rubber with fabric, NBR, and Urethane.

Our pistons are designed for use in Bomco, HHA, National, Gardner Denver, Emsco, Oilwell Russian and TCS lines of triplex drilling pumps.