Which pumps does this piston cup kit fit?

It fits FMC Bean L1118, L1118SC and L1618 reciprocating pumps.

What does the piston cup do?

It is the flexible sealing element on the piston that seals against the cylinder liner bore during reciprocation; as a wear part, its condition directly affects the pump's volumetric efficiency.

What part number does this cross-reference to?

It is an aftermarket replacement supplied to match part P504326; the part number is listed for identification and cross-reference only.

Piston Cup Kit SuperGold for FMC Bean L1118/L1618

Piston Cup Kit SuperGold for FMC Bean L1118/L1618 — Piston Cup aftermarket replacement part

This is a SuperGold piston cup kit for the fluid end of FMC Bean reciprocating pumps. The piston cup is the flexible sealing element fitted to the piston; it seals against the cylinder liner bore as the piston reciprocates and is a routine wear item that directly affects volumetric efficiency. It fits FMC Bean L1118, L1118SC and L1618 pumps and weighs about 0.41 lb.

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

L1118
L1118SC
L1618

Specifications

Property	Value
Weight	0.41 lb (≈ 0.19 kg, converted)
Width	4.00 in / 10.2 cm
Height	7.00 in / 17.8 cm
Depth	2.50 in / 6.4 cm

Manufacturer technical notes

SuperGold Piston Cup Kit for FMC Bean L1118/L1618 (SKU P504326). WC-polyurethane + 316L. 10,000PSI, 8x wear life, for extreme-duty metering pumps. Ultimate abrasion protection for FMC L1118/L1618 pumps! We supply the SKU P504326 "SuperGold"

Verbatim from the Dongli product page on dlhddrilling.com.

Replacement / interchange

Aftermarket replacement cross-referencing P504326.

FAQ

Which pumps does this piston cup kit fit?: It fits FMC Bean L1118, L1118SC and L1618 reciprocating pumps.
What does the piston cup do?: It is the flexible sealing element on the piston that seals against the cylinder liner bore during reciprocation; as a wear part, its condition directly affects the pump's volumetric efficiency.
What part number does this cross-reference to?: It is an aftermarket replacement supplied to match part P504326; the part number is listed for identification and cross-reference only.

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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