Piston Cup
Piston Cup 2-3/4 Inch Abrasive Service HSN
- Catalogue reference number
- 3266810
- Catalogue brand
- FMC Bean
Catalogue fields identify reference material. They do not confirm stock, OEM authorization or interchange. Verify the nameplate, original number and edition.
Catalogue model references
These are retained catalogue associations, not confirmed fitment for your equipment. Choose the model you want to review.
- L1122DFind this model in manuals
- L1622HVFind this model in manuals
Catalogue specification records
| Original field | Recorded value |
|---|---|
| Weight | 0.13 lb (≈ 0.06 kg, converted) |
| Width | 7.6 cm |
| Height | 7.6 cm |
| Depth | 3.8 cm |
Catalogue description records
This is a 2-3/4 inch HSN piston cup for abrasive service, the flexible sealing element fitted to the piston in the fluid end of a reciprocating pump. It seals against the cylinder liner bore as the piston reciprocates and is a routine wear part. It is sized for FMC Bean L1122D and L1622HV pumps, and the "abrasive service" designation in the name indicates it is intended for pumping abrasive fluids.
A piston cup is the flexible sealing element fitted to the piston in the fluid end. It maintains the seal against the cylinder liner bore as the piston reciprocates, so wear here directly affects volumetric efficiency.
Catalogue question records
Original catalogue questions are retained. Fitment and availability need technical review.
- Which pumps does this piston cup fit?
- It is listed to fit FMC Bean L1122D and L1622HV pumps.
- What does "abrasive service" mean here?
- "Abrasive service" is a duty descriptor from the part name, indicating the cup is intended for applications pumping abrasive fluids. Like any piston cup, it seals against the cylinder liner bore as the piston reciprocates and is a routine wear part.
- Is there an interchange part number?
- This is an aftermarket replacement for FMC Bean SKU 3266810. The brand and part number are given for identification and cross-reference only and do not indicate OEM manufacture.
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