Mud Pump Pony Rod
Mud pump pony rodalso called the intermediate rod, is an important part of the connection between the mud pump crossheadand the piston rod. It is the key component that connects the power end and the hydraulic end of the mud pump. One end is connected to the crosshead and the other end is connected to the piston rod by a clamp. Its outer circumference is filled with a packing box assembly. In the reciprocating motion, the outer circle of the intermediate tie rod and the sealing member in the packing box rub against each other. To ensure it's wear resistance, the outer surface of the intermediate rodis hard chrome-plated.
We can offer a wide range of extension pony rodfor triplex mud pumps that are made of high quality alloy steel (40Cr). After strict heat treatment of quenching and high temperature, the rods have the features of high intensity on surface and high tough inside. The surface is treated with galvanization or nitrogen for high intensity and low abrasion.
Installation Sketch of Crosshead Extension Rods and Stuffing Box Seals
(1) Diaphragm stuffing box and mud apron (2) Bolt (3) Shim (4) Sealing ring (5) Spring (6) Two-lip seal
(7) Sealing ring (8)O-ring (9) Locking spring (10) Bolt (11) Bolt (12) O-ring
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