CHECK VALVE SEAT, CHECK VALVE, SS, 0.3" OD x 3/32" ID, OMAX

HJ-300640

OMAX PART NUMBER: 300640

Check Valve Seat | Stainless Steel | 0.3" OD X 3/32" ID | HJ-300640


The HJ-300640 Check Valve Seat is a precision-machined stainless steel sealing component engineered for high-pressure waterjet pump systems operating up to 60,000 PSI (60K).

The HJ-300640 OMAX Check Valve Seat provides the primary sealing surface for the check valve poppet, ensuring tight shutoff, consistent pressure retention, and efficient one-way flow control within the pump assembly.

With exact dimensions of 0.300" OD x 3/32" ID, the HJ-300640 Check Valve Seat is manufactured to extremely tight tolerances, delivering optimal sealing performance, minimal leakage, and long service life in demanding industrial waterjet applications.

Installed in:

  • Check valve body assemblies
  • Pump inlet and discharge valves
  • EnduroMAX and similar high-pressure pumps

 

Key Benefits

  • Ensures tight sealing and pressure retention
  • Maintains consistent pump performance
  • Reduces leakage and inefficiency
  • Extends life of check valve assembly
  • Supports stable cutting pressure output
  • 60K PSI High-Pressure Rated
  • Exact 0.300" OD x 3/32" ID Dimensions for Perfect Fit
  • Critical Sealing Surface for Check Valve
  • Durable Stainless Steel Construction

 

Applications

  • CNC waterjet cutting systems
  • High-pressure fluid control systems
  • Industrial cutting operations (metal, glass, stone, composites)
  • Continuous production environments

 

Why Choose HJ Waterjet?

HJ Waterjet manufactures high-performance replacement components engineered to meet and exceed OEM specifications. Each part is precision-crafted from premium-grade materials to deliver exceptional durability, consistent performance, and extended service life in demanding waterjet cutting applications.

Designed for reliability and efficiency, our replacement parts help optimize pump performance, reduce maintenance and operating costs, and minimize unplanned downtime. With HJ Waterjet, you can maximize productivity while maintaining the precision and quality your operations depend on without the OEM price.

** HJ WATERJET IS IN NO WAY AFFILIATED WITH GMA, EBBCO, KENNAMETAL, KMT, FLOW, BFT, H2O, OMAX, ACCUSTREAM, HYPERTHERM OR TECHNI. PART NUMBERS ARE FOR CONVENIENCE ONLY.

© 2026 HJ WATERJET. ALL RIGHTS RESERVED.

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