





High-Performance Mud Pump Pistons for Reliable Drilling Efficiency
Our mud pump pistons are engineered for durability and superior sealing performance in demanding drilling environments. Manufactured from premium forged alloy steel and high-grade rubber compounds (NBR, polyurethane), our pistons provide excellent abrasion resistance, high pressure tolerance, and long service life. Available in bonded and replaceable designs, they are fully interchangeable with major OEM mud pumps, ensuring fast replacement and reduced downtime.
Explore Our Mud Pump Piston Range
Material of Piston Hub: #45 steel, 40Cr.
Material of Piston Cup: NBR, Polyurethane, HNBR
Heat resistance and Service Life of Piston Cup:
►NBR: ≤110℃, ≥200 hours life;
►Ordinary Urethane: ≤80℃, ≥200 hours life;
►High temperature urethane: ≤110℃, ≥300 hours life;
►HNBR: ≤150℃, ≥300 hours life;

mud pump piston Assy Classification:








EMud Pump Pistons & Spare Parts – Buyer FAQs
Q1:What materials are your mud pump pistons made from?
We use 45# or 40Cr alloy steel for the piston hub, and NBR or polyurethane for the piston cup.
Q2:What's the typical service life of your pistons?
Depending on the material and conditions, service life ranges from 200 to 400+ hours.
Q3:Do you offer both bonded and replaceable pistons?
Yes, we supply one-piece bonded pistons and two-piece replaceable pistons for various drilling needs.
Q4:Are your pistons compatible with major mud pump brands?
Absolutely. Our pistons are fully interchangeable with OEM models from BOMCO, Emsco, National, and more.
Q5:Can you customize piston sizes or materials?
Yes, custom specifications are available for volume orders or special drilling conditions.
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