Hub, Piston 2.00"
The Hub, Piston 2.00" is a pump piston component that transmits force from the power end to the pumped fluid inside the cylinder liner, reciprocating within the liner bore on every stroke. It fits the SC-35 pump and is supplied as an aftermarket replacement for part number 7206-0393-01A. It weighs about 0.63 lb.
What it is
A pump piston transmits force from the power end to the pumped fluid inside the cylinder liner. It carries the sealing element and reciprocates within the liner bore on every stroke.
Pump compatibility
Specifications
| Property | Value |
|---|---|
| Weight | 0.63 lb (≈ 0.29 kg, converted) |
Manufacturer technical notes
Hub Piston (O.D.: 2.00"), forged from 42CrMo alloy steel with ultra-audio frequency quenching and CNC grinding processes. Surface hardness HRC58-62, shear strength ≥1100MPa, compatible with APEX SC-35 mud pump power end. Complies with API 7K standards, axial runout tolerance ≤0.02mm, ensuring stable power transmission under high-pressure conditions.
Verbatim from the Dongli product page on dlhddrilling.com.
Replacement / interchange
Aftermarket replacement cross-referencing 7206-0393-01A.
FAQ
- Which pump does this piston hub fit?
- It fits the SC-35 pump.
- What does a pump piston do?
- It transmits force from the power end to the pumped fluid inside the cylinder liner, carrying the sealing element and reciprocating within the liner bore on each stroke.
- What part number does it replace?
- It is an aftermarket replacement that cross-references part number 7206-0393-01A, listed for identification 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.
Need a quote or part lookup? Contact our team.