WD 340 Pony Rod Seal

This is a pony rod seal identified as WD 340. The pony rod is the intermediate rod between the crosshead and the piston or plunger rod, passing through the oil-seal housing that separates the power end from the fluid end; this seal serves that rod location. It is supplied as an aftermarket replacement carrying part number 16203H. It weighs about 0.12 lb.
What it is
A pony rod (intermediate rod) extends between the crosshead and the piston or plunger rod, passing through the oil-seal housing that separates power end from fluid end.
Specifications
| Property | Value |
|---|---|
| Weight | 0.12 lb (≈ 0.05 kg, converted) |
Manufacturer technical notes
WD 340 Pony Rod Seal 16203H, fabricated from ASTM D2000 NBR rubber (Shore A 70±3), vulcanized for pressure rating ≥30MPa, compatible with Weatherford mud pumps, ISO 15154-E extrusion resistance, temp. range -20℃~120℃, API 7K compliant drilling equipment seal
Verbatim from the Dongli product page on dlhddrilling.com.
Replacement / interchange
Aftermarket replacement cross-referencing 16203H.
FAQ
- What is a pony rod seal and where does it go?
- The pony rod is the intermediate rod between the crosshead and the piston or plunger rod; it passes through the oil-seal housing that separates the power end from the fluid end, and this seal serves that rod location.
- What is the part number for this seal?
- It is supplied as an aftermarket replacement under part number 16203H, with an identifier of WD 340.
Related parts
All brand names, model numbers and part numbers are used for identification and cross-reference only and do not imply original-equipment manufacture. This is an aftermarket replacement part.
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