Liner Assembly 2 1/4" Piston Complete HSN / Liner / Gasket
This is a complete 2-1/4" piston liner assembly for the pump fluid end, supplied with the HSN piston, liner and gasket as one ready-to-install package. The piston transmits force from the power end to the pumped fluid and reciprocates within the liner bore on every stroke. It is an aftermarket replacement for Kerr KM-285-225CH-A, fits the KM-3250PT, KMX-3300SHPT and T30M pumps, and weighs about 7 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
- KM-3250PT
- KMX-3300SHPT
- T30M
Specifications
| Property | Value |
|---|---|
| Weight | 7.00 lb (≈ 3.18 kg, converted) |
Manufacturer technical notes
2¼" Liner Assembly (SKU KM-285-225CH-A). 4140 steel + 0.1mm hard chrome. 8,000PSI rated, Ra0.05μm finish, includes HSN seal/metal gasket. Upgrade your Kerr KM pump! We supply SKU
Verbatim from the Dongli product page on dlhddrilling.com.
Replacement / interchange
Aftermarket replacement cross-referencing Kerr KM-285-225CH-A.
FAQ
- What is included in this 2-1/4" liner assembly?
- As described in its name, it comes complete with the HSN piston, liner and gasket.
- Which pumps does this assembly fit?
- It is listed to fit the KM-3250PT, KMX-3300SHPT and T30M pumps.
- What reference part number does it replace?
- It is an aftermarket replacement for Kerr part KM-285-225CH-A; the brand and number are for identification only and do not imply OEM manufacture.
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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