Which pumps does this 18-hole back cover gasket fit?

It fits the FMC Bean BEAN 435, L11, L1114SC, L1118SC, L1122D, W11 and W1122BCD models, and cross-references to part number P508966.

What does the 18-hole gasket do?

It seals the bolted joint at the back cover between two mating faces to prevent leakage of fluid, oil or pressure. The 18-hole pattern matches the cover's bolt layout.

Is this an original FMC Bean part?

No. This is an aftermarket replacement gasket that interchanges with FMC Bean SKU P508966. The FMC Bean brand and part number are listed for identification and cross-reference only and do not indicate original-equipment manufacture.

Back Cover Gasket 18 Hole for FMC Bean L11/W11 Series

Back Cover Gasket 18 Hole for FMC Bean L11/W11 Series — Gasket aftermarket replacement part

This is an 18-hole back cover gasket for FMC Bean L11 and W11 series pumps. As a gasket, it seals the bolted joint at the back cover to prevent leakage of fluid, oil or pressure. It fits the BEAN 435, L11, L1114SC, L1118SC, L1122D, W11 and W1122BCD models, cross-references to FMC Bean SKU P508966, and weighs about 0.08 lb.

What it is

A gasket seals a bolted or clamped joint between two faces to prevent leakage of fluid, oil or pressure.

Pump compatibility

BEAN 435
L11
L1114SC
L1118SC
L1122D
W11
W1122BCD

Specifications

Property	Value
Weight	0.08 lb (≈ 0.04 kg, converted)
Width	38.1 cm
Height	32.5 cm
Depth	0.2 cm

Manufacturer technical notes

18-Hole Back Cover Gasket for FMC Bean L11/W11 Series (SKU: P508966) Engineered with ASME B16.21 graphite composite material (temperature resistance -200~500℃), precision stamped to Ra≤1.6μm surface finish, compatible with API 7K mud pump systems. Pressure differential resistance ≥100MPa, salt spray tested 1000hrs corrosion-free, backward compatible with 16-hole design (P/N A91676)

Verbatim from the Dongli product page on dlhddrilling.com.

Replacement / interchange

Aftermarket replacement cross-referencing FMC Bean P508966.

FAQ

Which pumps does this 18-hole back cover gasket fit?: It fits the FMC Bean BEAN 435, L11, L1114SC, L1118SC, L1122D, W11 and W1122BCD models, and cross-references to part number P508966.
What does the 18-hole gasket do?: It seals the bolted joint at the back cover between two mating faces to prevent leakage of fluid, oil or pressure. The 18-hole pattern matches the cover's bolt layout.
Is this an original FMC Bean part?: No. This is an aftermarket replacement gasket that interchanges with FMC Bean SKU P508966. The FMC Bean brand and part number are listed for identification and cross-reference only and do not indicate original-equipment manufacture.

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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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