VALVE COVER; W11
The W11 valve cover closes the valve bore in the fluid end of the pump, retaining pressure and allowing the valve assembly to be removed for service. It is supplied as an aftermarket replacement for FMC Bean part number 1285113, matching the original part's form and fit. This cover fits the FMC Bean W11 and W1122BCD models and measures about 2.11 in square by 1.70 in deep, weighing roughly 1.05 lb.
What it is
A valve cover closes the valve bore in the fluid end, retaining pressure and allowing the valve assembly to be removed for service.
Pump compatibility
- W11
- W1122BCD
Specifications
| Property | Value |
|---|---|
| Weight | 1.05 lb (≈ 0.48 kg, converted) |
| Width | 2.11 in / 5.4 cm |
| Height | 2.11 in / 5.4 cm |
| Depth | 1.70 in / 4.3 cm |
Manufacturer technical notes
Valve Cover for W11 (SKU 1285113), forged from API 7K certified 35CrMo alloy steel, processed via CNC forging + normalizing (HB241-285), tensile strength ≥980MPa. Compatible with FMC Bean W11 mud pump hydraulic ends, thread accuracy 6H (ISO 965-2:2013), salt spray tested 500h corrosion-free, matches alumina ceramic liners.
Verbatim from the Dongli product page on dlhddrilling.com.
Replacement / interchange
Aftermarket replacement cross-referencing FMC Bean 1285113.
FAQ
- Which pumps does the W11 valve cover fit?
- It fits the FMC Bean W11 and W1122BCD models.
- What does a valve cover do?
- It closes the valve bore in the fluid end, holds pressure, and lets the valve assembly be pulled out for service.
- What part number does this replace?
- It is an aftermarket replacement for FMC Bean part number 1285113, supplied to match the original part's form and fit.
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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