What does "abrasive service" mean here?

Abrasive service refers to applications where the pumped fluid carries abrasive solids that accelerate wear on the piston cup seal. This kit is named for that duty.

What is the cross-reference part number?

This is an aftermarket replacement cross-referenced to FMC Bean part P541064. The brand and part number are used for identification and comparison only and do not imply OEM manufacture.

Piston Cup Kit Abrasive Service Supergold for FMC Bean L1122/L1622

Piston Cup Kit Abrasive Service Supergold for FMC Bean L1122/L1622 — Piston Cup aftermarket replacement part

The Piston Cup Kit Abrasive Service Supergold for FMC Bean L1122/L1622 supplies the flexible piston cup sealing element for the fluid end of reciprocating pumps. The cup seals against the cylinder liner bore as the piston reciprocates and is a routine wear part. As the name indicates, it is intended for abrasive-service duty, where the pumped fluid carries solids that accelerate seal wear. It fits FMC Bean models L1122, L1122D, L1622 and L1622HV, and is an aftermarket replacement cross-referenced to FMC Bean part P541064.

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

L1122
L1122D
L1622
L1622HV

Specifications

Property	Value
Weight	1.50 lb (≈ 0.68 kg, converted)
Width	10.2 cm
Height	17.8 cm
Depth	6.4 cm

Manufacturer technical notes

Supergold Piston Cup Kit for FMC Bean L1122/L1622 (SKU P541064). Multi-layer tungsten carbide (HVOF) + polyurethane. 22,000PSI rated, 15x wear life for extreme abrasive service.

Verbatim from the Dongli product page on dlhddrilling.com.

Replacement / interchange

Aftermarket replacement cross-referencing FMC Bean P541064.

FAQ

Which pumps does this kit fit?: It fits FMC Bean models L1122, L1122D, L1622 and L1622HV.
What does "abrasive service" mean here?: Abrasive service refers to applications where the pumped fluid carries abrasive solids that accelerate wear on the piston cup seal. This kit is named for that duty.
What is the cross-reference part number?: This is an aftermarket replacement cross-referenced to FMC Bean part P541064. The brand and part number are used for identification and comparison only and do not imply 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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