CYLINDER COVER; L11/W11
This is the cylinder cover for FMC Bean L11 and W11 pumps. It closes the outer end of the fluid-end cylinder, retaining pressure and providing access to the liner and piston for service. It fits FMC Bean 435, L11, W11 and W1122BCD, weighs about 2.71 lb, and measures roughly 3.38 in wide, 3.38 in high and 2.00 in deep. As an aftermarket replacement part, it can be used in place of FMC Bean 1285112; the brand and part number are listed for identification only and do not imply original-manufacturer production.
What it is
A cylinder cover closes the outer end of the fluid-end cylinder, retaining pressure and providing access for liner and piston service.
Pump compatibility
- BEAN 435
- L11
- W11
- W1122BCD
Specifications
| Property | Value |
|---|---|
| Weight | 2.71 lb (≈ 1.23 kg, converted) |
| Width | 3.38 in / 8.6 cm |
| Height | 3.38 in / 8.6 cm |
| Depth | 2.00 in / 5.1 cm |
Manufacturer technical notes
Cylinder Cover L11/W11 (SKU:1285112) Precision-cast from ASTM A216 WCB carbon steel with solution treatment (HB240-280) and nitriding surface. API 7K compliant, pressure resistance ≥150MPa, impact load ≥80MPa. Matches L11/W11 cylinder bore tolerance for high-pressure sealing.
Verbatim from the Dongli product page on dlhddrilling.com.
Replacement / interchange
Aftermarket replacement cross-referencing FMC Bean 1285112.
FAQ
- Which pumps does this cylinder cover fit?
- It fits FMC Bean 435, L11, W11 and W1122BCD.
- What does a cylinder cover do?
- It closes the outer end of the fluid-end cylinder, retaining pressure and providing access for liner and piston service.
- What part number can it replace?
- It is an aftermarket replacement for FMC Bean 1285112, listed for cross-reference only.
Related parts
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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