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 P509371. 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 L0918HD

Piston Cup Kit Abrasive Service Supergold for FMC Bean L0918HD — Piston Cup aftermarket replacement part

The Piston Cup Kit Abrasive Service Supergold for FMC Bean L0918HD 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 L0918 and L0918 HD, and is an aftermarket replacement cross-referenced to FMC Bean part P509371.

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

L0918
L0918 HD

Specifications

Property	Value
Weight	0.53 lb (≈ 0.24 kg, converted)
Width	10.2 cm
Height	17.8 cm
Depth	6.4 cm

Manufacturer technical notes

Supergold Piston Cup Kit for FMC Bean L0918HD (SKU P509371). Multi-layer tungsten carbide (HVOF) + polyurethane. 18,000PSI rated, 12x wear life for ultra-HP abrasive service.

Verbatim from the Dongli product page on dlhddrilling.com.

Replacement / interchange

Aftermarket replacement cross-referencing FMC Bean P509371.

FAQ

Which pumps does this kit fit?: It fits FMC Bean models L0918 and L0918 HD.
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 P509371. 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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