OEM fluid section repair kit for Graco 4150HS FL pumps, restoring sealing performance and chemical compatibility in demanding industrial fluid transfer systems with PS/EP elastomer configuration.
| Machine Series | Model Compatibility | Application Type |
|---|---|---|
| Graco 4150HS FL | All 4150HS FL diaphragm pump systems configured with PS/EP fluid section components | Industrial fluid transfer and chemical handling systems |
| Graco 4000-Series HS FL Pumps | Selected models using PS/EP elastomer sealing architecture | Coatings, solvents, and water-based chemical processing |
| OEM Graco Fluid Section Assemblies | Compatible with factory rebuild systems requiring PS/EP configuration kits | Maintenance, repair, and performance restoration |
The Graco 25R731 Kit is an OEM fluid section repair kit designed for the Graco 4150HS FL diaphragm pump platform. The configuration --, PS, EP refers to a sealing system combining poly-styrene-compatible components with EPDM elastomers for balanced chemical resistance and durability.
It is used to rebuild worn fluid sections by replacing diaphragms, valve balls, seals, and gaskets, restoring factory-level performance in industrial pumping environments handling water-based chemicals, coatings, and moderate solvent applications.
As part of Graco’s OEM maintenance ecosystem, the 25R731 ensures precise fitment and reliable long-term operation for pumps requiring PS/EP material compatibility.
