VALVE COVER O-RING

This is a valve cover O-ring. It is the elastomeric seal that closes the joint at the valve cover, sealing the valve bore against leakage of fluid or pressure in the fluid end. It fits the SC-35 model. It is an aftermarket replacement part referenced to part number 05876A258.
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
Specifications
| Property | Value |
|---|---|
| Weight | 0.00 lb (≈ 0.00 kg, converted) |
Manufacturer technical notes
Valve Cover O-Ring (Model: SC-35), manufactured from hydrogenated nitrile rubber (HNBR) via compression molding vulcanization with Shore hardness 75±3A and temperature resistance -30°C to 150°C, compatible with Myers Aplex SC-35 mud pump valve cover sealing systems. API 7K certified with tear strength ≥30kN/m, sealing performance enhanced by 40%, designed for oil rig high-pressure (≤3500psi) corrosive applications。
Verbatim from the Dongli product page on dlhddrilling.com.
Replacement / interchange
Aftermarket replacement cross-referencing 05876A258.
FAQ
- Which pump does this valve cover O-ring fit?
- It fits the SC-35 model.
- What does the valve cover O-ring do?
- It is an elastomeric seal that closes the joint at the valve cover, sealing the valve bore against leakage of fluid or pressure.
- What part number does this cross-reference to?
- It is an aftermarket replacement referenced to part number 05876A258; the reference is for identification and comparison only and does not indicate OEM manufacture.
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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