mud pump piston and pony rods:
2.high-grade alloy steel
Piston Rods for Duplex mud pumps: High quality Grayloy material is used on all DL duplex piston rods.This corrosion-resistant,high density,long wearing surface results in fewer packing changes and longer life for gland bushings and junk rings. Southwest rods are furnished with a heavy duty piston lock out.
We manufacture fluid end parts for most popular triplex and duplex mud pumps-EMSCO, Gardner Denver, Ideco, National, Oilwell, etc. as well as China-made mud pumps.
In fact, we used to manufacture mud pump parts and supply to some well-known US distributers in the past decade.