Lp Check Valve Spring 500-12-0040 Techni Waterjet Parts In Stock

Specifications
Spring Type:Compression spring
Application:LP check-valve port in Intensifier Pumps
Material:Stainless steel – corrosion-resistant
Spring Dimensions:Proprietary OEM dimensions
Preload Force:Engineered to seat LP poppet under <10 psi back-pressure (typical)
Operating Temp.:Suitable for waterjet hydraulic fluid temperatures (0–80 °C)

Installation & Maintenance
Depressurize & Drain: Shut down the waterjet, relieve hydraulic pressure, and drain intensifier fluid.
Remove Check-Valve Housing: Unscrew the LP check-valve housing (SP-72-6) to expose the spring and poppet.
Inspect Components: Examine the old spring for corrosion, flattening, or breakage; inspect poppet and seat for wear.
Install New Spring: Place the 500-12-0040 spring onto the poppet stem, ensuring correct orientation and seating.
Reassemble Valve: Reinsert the poppet and spring into the housing, torque the housing per service manual.
Test Operation: Refill fluid, pressurize system to low pressure, verify no backflow; then ramp to full operating pressure and confirm proper pump cycling.