Piston Cup
Piston Cup 2-1/4 Inch Abrasive Service Supergold Hemisphere Style
- Catalogue reference number
- P509003
- 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.
- L0618HVFind this model in manuals
- L0918Find this model in manuals
- L0918 HDFind this model in manuals
Catalogue specification records
| Original field | Recorded value |
|---|---|
| Weight | 0.10 lb (≈ 0.05 kg, converted) |
| Width | 2.25 in / 5.7 cm |
| Height | 2.25 in / 5.7 cm |
| Depth | 1.00 in / 2.5 cm |
Catalogue description records
This is a 2-1/4 inch SuperGold piston cup for abrasive service in a hemisphere style, 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 L0618HV, L0918 and L0918 HD 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 L0618HV, L0918 and L0918 HD 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. It is described as a hemisphere style cup and, like any piston cup, seals against the cylinder liner bore as the piston reciprocates.
- Is there an interchange part number?
- This is an aftermarket replacement for FMC Bean SKU P509003. The brand and part number are given for identification and cross-reference only and do not indicate OEM manufacture.
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