DONGLI / PART REFERENCE

Piston Cup

Piston Cup 3.00 Inch Abrasive Service SuperGold for APLEX SC-65L/SC-115L

Catalogue reference number
7203-0727-00A
Catalogue brand
Aplex

Catalogue fields identify reference material. They do not confirm stock, OEM authorization or interchange. Verify the nameplate, original number and edition.

Piston Cup 3.00 Inch Abrasive Service SuperGold for APLEX SC-65L/SC-115L (7203-0727-00A) — Piston Cup

Catalogue model references

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Catalogue specification records

Original fieldRecorded value
Weight0.22 lb (≈ 0.10 kg, converted)
Width3.20 in / 8.1 cm
Height3.20 in / 8.1 cm
Depth1.70 in / 4.3 cm
Catalogue description records

This is a 3.00 inch SuperGold 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 Aplex SC-115L and SC-65L 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 Aplex SC-115L and SC-65L 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 Aplex SKU 7203-0727-00A. The brand and part number are given for identification and cross-reference only and do not indicate OEM manufacture.
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