Which pump does this piston cup fit?

It is listed to fit the Aplex SC-45L pump.

What does this piston cup do?

A piston cup is the flexible sealing element on the piston in the fluid end; it seals against the cylinder liner bore as the piston reciprocates, so its condition directly affects the pump's volumetric efficiency.

Is there an interchange part number?

This is an aftermarket replacement for Aplex SKU 7206-0380-00A. The brand and part number are given for identification and cross-reference only and do not indicate OEM manufacture.

Piston Cup 2-1/4 Inch Abrasive Service SuperGold for APLEX SC-45L

Piston Cup 2-1/4 Inch Abrasive Service SuperGold for APLEX SC-45L — Piston Cup aftermarket replacement part

This is a 2-1/4 inch SuperGold piston cup for abrasive service, the flexible sealing element fitted to the piston in the fluid end of a reciprocating pump. As the piston reciprocates it maintains the seal against the cylinder liner bore, making it a routine wear part. It is sized for the Aplex SC-45L pump, and the "abrasive service" designation in the name indicates it is intended for pumping abrasive fluids.

What it is

A piston cup is the flexible sealing element fitted to the piston in the fluid end. It maintains the seal against the cylinder liner bore as the piston reciprocates, so wear here directly affects volumetric efficiency.

Pump compatibility

SC-45L

Specifications

Property	Value
Weight	0.10 lb (≈ 0.05 kg, converted)
Width	6.2 cm
Height	6.2 cm
Depth	3.2 cm

Manufacturer technical notes

SuperGold Piston Cup for Aplex SC-45L (2-1/4", SKU 7206-0380-00A). PU-bronze composite molded to Shore 98A±2. Multi-layer design withstands 3500PSI, 8x more wear-resistant - engineered for 15% sand content in HDD operations.

Verbatim from the Dongli product page on dlhddrilling.com.

Replacement / interchange

Aftermarket replacement cross-referencing Aplex 7206-0380-00A.

FAQ

Which pump does this piston cup fit?: It is listed to fit the Aplex SC-45L pump.
What does this piston cup do?: A piston cup is the flexible sealing element on the piston in the fluid end; it seals against the cylinder liner bore as the piston reciprocates, so its condition directly affects the pump's volumetric efficiency.
Is there an interchange part number?: This is an aftermarket replacement for Aplex SKU 7206-0380-00A. The brand and part number are given for identification and cross-reference only and do not indicate OEM manufacture.

Related parts

See all Piston Cup →

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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