HNA offers Pony R, Piston R and Clamps to meet today's tough oilfield requirements. Pony R Our Pony R incorporate the longer wearing surface to provide the best Pony Rod for your Triplex or Duplex pump. Piston R for Triplex Mud Pumps The piston r are manufactured to exacting standards to meet today’s tough oilfield requirements, available for a wide range of triplex mud pumps. Our piston r are manufactured from high quality alloy steel.40CR Surface is induction hardened for maximum case hardness and core strength - hard on the outside, tough on the inside. Precision ground mirror surfaces meet rigid quality control standards and minimize wear. Piston R for Duplex Mud Pumps High quality Grayloy material is used on all HNA Duplex Piston R. This corrosion-resistant, high-density, long-wearing surface results in fewer packing changes and longer life for gland bushings and junk rings. HNA r are furnished with a heavy duty Piston Lock Nut. Clamps HNA offers a full range of clamps for mating the piston rod to the crosshead extension (pony) rod. Machining tolerances are tightly held to assure proper fit and alignment of the adjoining components. HNA clamps are furnished complete with all required hardware.
