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Plungers
OP Series + XP Series
Engineered plungers for high-pressure fracturing and well-service pumps.
OPProven wear protection
XPEnhanced wear protection
2¾–6½ inPublished size coverage
Pump coverageFrac + well-service pumps
Application-led selection
A defined performance choice.
OP provides proven wear protection and lifecycle value across a broad range of applications. XP provides enhanced wear protection for more demanding service and higher-severity exposure. Both use controlled geometry, surface finish and engineered coating systems.
- OP: proven wear protection and lifecycle value
- XP: enhanced wear protection for demanding service
- Controlled dimensions and surface finish
- Engineered coating systems matched to operating severity
- Broad OEM pump coverage across frac and well-service duties
ApplicationPump familiesPlunger sizes
Pressure pumpingFrac pumps: 2,250 / 2,500 / 2,700 / 3,000 / 5,000 / 6,000 BHP3¾–6½ inches
Well serviceCementing, coil tubing and triplex: 250–1,250 BHP2¾–4½ inches
Published family coverage only. Final geometry, end features, finish and compatibility are confirmed for the selected model and duty.
Technical document
OPI Plunger Specification Sheet
OPI-DS-PLG-001 · Revision AH · September 2026