Piston Assembly — 5.5寸

Original catalogue designation: 5.5寸 B型活塞总成
This is a 5.5-inch B-type piston assembly, an aftermarket replacement part for triplex and duplex mud pumps. As a complete piston — the rigid body together with its sealing rubber — it reciprocates inside the cylinder liner bore to move the drilling fluid on every stroke. The 5.5-inch size corresponds to the liner bore it is matched to; the model and type references are listed for identification only.
What it is
A piston assembly is the complete piston — body and sealing rubber — that reciprocates in the liner to move the pumped fluid.
Specifications
| Property | Value |
|---|---|
| Size | 5.5寸 |
FAQ
- What is a piston assembly and what does it do?
- A piston assembly is the complete piston — body plus sealing rubber — that reciprocates inside the cylinder liner to move the pumped fluid. It is a routine wear item in the fluid end of a mud pump.
- What size is this piston assembly?
- This is the 5.5-inch (5.5寸) size, B type. The piston size is matched to the liner bore it works in, so it should be paired with a 5.5-inch cylinder liner.
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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