Which pump models does this ceramic cylinder fit?

It is listed for the FMC Bean BEAN 435, L1122, L1122D, R660, W1122 and W1122BCD models. Verify your model and bore size before ordering.

What does a ceramic cylinder liner do?

It is the replaceable bore in the fluid end in which the piston reciprocates, here with a ceramic working surface. As a primary wear surface it is matched to the pump's bore size.

What part number does this replace?

It is an aftermarket replacement for FMC Bean part number 1267586. The brand and part number are shown for identification only and do not imply OEM manufacture.

Ceramic Cylinder for Pump Models L1122/W1122/660D/660E

Ceramic Cylinder for Pump Models L1122/W1122/660D/660E — Cylinder Liner, Ceramic aftermarket replacement part

This ceramic cylinder liner is configured for FMC Bean reciprocating pumps, fitting the BEAN 435, L1122, L1122D, R660, W1122 and W1122BCD models. It provides the bore in which the piston reciprocates inside the fluid end, with a ceramic working surface that acts as the primary wear face. It is supplied as an aftermarket replacement part interchangeable with FMC Bean part number 1267586. Approximate weight is about 2.61 lb.

What it is

A ceramic cylinder liner provides the bore in which the piston reciprocates, using a ceramic working surface; like all liners it is matched to the pump's bore size.

Pump compatibility

BEAN 435
L1122
L1122D
R660
W1122
W1122BCD

Specifications

Property	Value
Weight	2.61 lb (≈ 1.18 kg, converted)
Width	10.8 cm
Height	11.0 cm
Depth	17.1 cm

Manufacturer technical notes

Ceramic Cylinder Assembly (FMC435) features 45# forged steel outer shell with zirconia ceramic liner via isostatic pressing and high-temperature sintering. Vickers hardness 11GPa, bending strength ≥800MPa. API-certified for oil rigs, compatible with L1122/W1122/660D/660E mud pumps. 60% improved corrosion resistance, 10,000-hour service life.

Verbatim from the Dongli product page on dlhddrilling.com.

Replacement / interchange

Aftermarket replacement cross-referencing FMC Bean 1267586.

FAQ

Which pump models does this ceramic cylinder fit?: It is listed for the FMC Bean BEAN 435, L1122, L1122D, R660, W1122 and W1122BCD models. Verify your model and bore size before ordering.
What does a ceramic cylinder liner do?: It is the replaceable bore in the fluid end in which the piston reciprocates, here with a ceramic working surface. As a primary wear surface it is matched to the pump's bore size.
What part number does this replace?: It is an aftermarket replacement for FMC Bean part number 1267586. The brand and part number are shown for identification only and do not imply OEM manufacture.

Related parts

See all Cylinder Liner, Ceramic →

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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