Piston Cup
Piston Cup Kit Abrasive Service Supergold for FMC Bean L1122/L1622
- Catalogue reference number
- P541064
- 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.
Catalogue specification records
| Original field | Recorded value |
|---|---|
| Weight | 1.50 lb (≈ 0.68 kg, converted) |
| Width | 10.2 cm |
| Height | 17.8 cm |
| Depth | 6.4 cm |
Catalogue description records
The Piston Cup Kit Abrasive Service Supergold for FMC Bean L1122/L1622 supplies the flexible piston cup sealing element for the fluid end of reciprocating pumps. The cup seals against the cylinder liner bore as the piston reciprocates and is a routine wear part. As the name indicates, it is intended for abrasive-service duty, where the pumped fluid carries solids that accelerate seal wear. It fits FMC Bean models L1122, L1122D, L1622 and L1622HV, and is an aftermarket replacement cross-referenced to FMC Bean part P541064.
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 kit fit?
- It fits FMC Bean models L1122, L1122D, L1622 and L1622HV.
- What does "abrasive service" mean here?
- Abrasive service refers to applications where the pumped fluid carries abrasive solids that accelerate wear on the piston cup seal. This kit is named for that duty.
- What is the cross-reference part number?
- This is an aftermarket replacement cross-referenced to FMC Bean part P541064. The brand and part number are used for identification and comparison only and do not imply OEM manufacture.
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