Cup Piston 2.00" O.D.
This is a Cup Piston with a 2.00 in outside diameter. A cup piston combines the piston body and its cup seal as one assembly, sealing against the cylinder liner bore during reciprocation. It is supplied to fit the SC-35 pump.
What it is
A cup piston combines the piston body and its cup seal as one assembly, sealing against the cylinder liner bore during reciprocation.
Pump compatibility
Specifications
| Property | Value |
|---|---|
| Outside diameter | 2.00 in |
| Weight | 0.07 lb (≈ 0.03 kg, converted) |
Manufacturer technical notes
Cup Piston (O.D.: 2.00"), manufactured via polyurethane (PU) compression molding with Shore hardness 95A±3, pressure resistance ≥40MPa, compatible with APEX SC-35 mud pumps. API 7K certified for continuous operation at 150°C, sealing performance enhanced by 30%, MTBF up to 8,000 operating hours.
Verbatim from the Dongli product page on dlhddrilling.com.
Replacement / interchange
Aftermarket replacement cross-referencing 7206-0392-00A.
FAQ
- What is the outside diameter of this cup piston?
- It has a 2.00 in outside diameter.
- Which pump does it fit?
- It is supplied to fit the SC-35 model.
- What does a cup piston do?
- It combines the piston body and its cup seal as one assembly and seals against the cylinder liner bore during reciprocation. It is supplied as an aftermarket replacement under part number 7206-0392-00A.
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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