Piston Holder for APLEX SC-65L/SC-115L
This is a piston holder for Aplex SC-65L and SC-115L reciprocating pumps. As a piston-side component in the fluid end, it carries and retains the sealing element on the piston assembly, which reciprocates within the cylinder liner bore on every stroke. It fits Aplex SC-65L and SC-115L pumps and weighs about 1.75 lb.
What it is
A pump piston transmits force from the power end to the pumped fluid inside the cylinder liner. It carries the sealing element and reciprocates within the liner bore on every stroke.
Pump compatibility
Specifications
| Property | Value |
|---|---|
| Weight | 1.75 lb (≈ 0.79 kg, converted) |
| Width | 2.99 in / 7.6 cm |
| Height | 2.99 in / 7.6 cm |
| Depth | 1.69 in / 4.3 cm |
Manufacturer technical notes
Piston Holder for APLEX SC-65L/SC-115L (SKU:7203-0729-00A) + Crankshaft Kit SC-65L (Vermeer 36x50 Pump), forged from ASTM A216 WCB carbon steel with quenching & tempering (HB240-280) and nitriding surface (HV900-1000). Tensile strength ≥620MPa, API 7K compliant, impact load ≥80MPa. Ensures high-pressure durability and sealing stability in mud pump power ends.
Verbatim from the Dongli product page on dlhddrilling.com.
Replacement / interchange
Aftermarket replacement cross-referencing Aplex 7203-0729-00A.
FAQ
- Which pumps does this piston holder fit?
- It fits the Aplex SC-65L and SC-115L reciprocating pumps.
- What does a piston holder do?
- It is the piston-side component that carries and retains the sealing element on the piston assembly as it reciprocates within the cylinder liner.
- Is this an OEM part?
- This is an aftermarket replacement supplied to match Aplex part 7203-0729-00A; the brand and part number are listed for identification and cross-reference only, not to claim OEM manufacture.
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.
Need a quote or part lookup? Contact our team.