Pony Rod Wiper Seal
This Pony Rod Wiper Seal is a sealing element that rides on the pony rod where it passes through the housing separating the power end from the fluid end of a reciprocating pump. It wipes the rod as it reciprocates to keep contaminants out. This part is an aftermarket replacement for Aplex 145-200236-503 and fits the SC-170DD.
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.
Pump compatibility
Specifications
| Property | Value |
|---|---|
| Weight | 0.01 lb (≈ 0.00 kg, converted) |
| Width | 2.38 in / 6.0 cm |
| Height | 2.38 in / 6.0 cm |
| Depth | 0.27 in / 0.7 cm |
Manufacturer technical notes
Pony Rod Wiper Seal (SKU:145-200236-503) Complies with ASTM D2000-18 NBR rubber (Oil Resistance Class 2), Shore A 70±5 hardness, vulcanized with 304 stainless steel core. Electroplated zinc coating (≥12μm thickness), salt spray tested >1000hrs corrosion-free. Compatible with APLEX SC-45L mud pump. Sealing surface Ra0.8μm roughness, operating temp -30°C~100°C, API 7K certified.
Verbatim from the Dongli product page on dlhddrilling.com.
Replacement / interchange
Aftermarket replacement cross-referencing Aplex 145-200236-503.
FAQ
- Which pump does this wiper seal fit?
- It is matched to the Aplex SC-170DD.
- What does a pony rod wiper seal do?
- It seals and wipes the pony rod, the intermediate rod that passes through the oil-seal housing between the power end and the fluid end, helping keep contaminants out as the rod reciprocates.
- What part number does it cross-reference?
- It is an aftermarket replacement for Aplex 145-200236-503; the brand and part number are for identification only and do not indicate original-manufacturer production.
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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