Cylinder Cover O-Ring

This is the cylinder cover O-ring for the SC-35 pump. It is an elastomeric seal that closes the cylinder cover joint against leakage of pumped fluid and pressure at the fluid end. It fits the SC-35. As an aftermarket replacement part, it can be used in place of part number 05876A173, which is listed for identification only and does 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
Specifications
| Property | Value |
|---|---|
| Weight | 0.01 lb (≈ 0.00 kg, converted) |
Manufacturer technical notes
Cylinder 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 cylinder head 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 05876A173.
FAQ
- Which pump does this O-ring fit?
- It fits the SC-35 pump.
- What does a cylinder cover O-ring do?
- It is an elastomeric seal that closes the cylinder cover joint against leakage of fluid or pressure.
- What part number can it replace?
- It is an aftermarket replacement for part number 05876A173, 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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