The Check Valve Seat (300640) is a stainless-steel component that provides a 1-11024-High-Pressure-Waterjet-Parts-In-Stock-For-Sale-p.html target='_blank'>Sealing surface for the one-way check valves in Intensifier-Assembly-80072333-Good-Quality-Water-Jet-Parts-In-Stock-p.html target='_blank'>Intensifier pumps. It measures 0.300″ outside diameter × 3/32″ inside diameter, features a precision-machined bore, and is constructed to withstand up to 60,000 psi. This seat is a wear item—typically replaced during pump rebuilds or when performance degrades—and is available both as a standalone part and within check valve repair and assembly kits.
Specifications
OEM Part Number:300640
Dimensions:0.300 in (OD) × 3/32 in (ID)
Material:Stainless steel
Max Pressure:Up to 60,000 psi
Weight:~0.0625 lbs (0.028 kg)
Replaces:Legacy seat P/N 301641 on older kits
