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VALVE COVER O-RING

VALVE COVER O-RING — Valve Cover aftermarket replacement part

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

PropertyValue
Weight0.00 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

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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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