UHP Check Valve Repair Kit, 90K PSI PRO-I Sealing Head Assembly | HJ- 20477505
Restore the performance and reliability of your ultra-high-pressure waterjet pump with the HJ Waterjet HJ-20477505. This premium-quality UHP Check Valve Repair Kit is engineered as a direct replacement for KMT 90,000 PSI PRO-I sealing head assemblies that utilize a poppet-style inlet check valve.
This HJ- 20477505 repair kit restores proper sealing, check valve performance, and pressure efficiency while minimizing costly downtime. Every component is precision machined from premium materials to provide exceptional durability under continuous ultra-high-pressure operation.
Whether you are performing scheduled preventative maintenance or repairing a worn sealing head, the HJ Waterjet replacement kit delivers OEM-quality performance at a significantly lower cost.
The HJ-20477505 repair kit is designed specifically for 0.875-inch plunger (0.88") PRO-I intensifier pumps operating at 90,000 PSI (6,200 bar) and includes the essential internal components required to rebuild the sealing head check valve assembly. Kit includes valve seat, inlet and discharge poppets, poppet pin and compression spring.
Features & Benefits
- Direct replacement for KMT Part #20477505
- Designed for 90,000 PSI (6,200 Bar) waterjet systems
- Precision manufactured to OEM dimensions and tolerances
- Premium wear-resistant materials for maximum service life
- Restores proper check valve sealing and pressure consistency
- Reduces pressure fluctuations and internal leakage
- Improves cutting accuracy and pump efficiency
- Fast installation with no modifications required
- Excellent alternative to expensive OEM replacement kits
- Ideal for preventative maintenance programs
Compatible Equipment
Designed for:
- KMT PRO-I Intensifier Pumps
- 90,000 PSI Waterjet Pumps
- 0.875" (0.88") Plunger Units
- Poppet Style Inlet Sealing Head Assemblies
Replaces OEM Part Number:
Applications
Perfect for high-production waterjet cutting operations including:
- Aerospace
- Automotive
- Steel Fabrication
- Stone Processing
- Glass Cutting
- Aluminum Fabrication
- Composite Materials
- Titanium Cutting
- Food Processing Equipment
- Industrial Manufacturing
Why Choose HJ Waterjet Replacement Parts?
HJ Waterjet replacement parts are manufactured using the same precision tolerances, premium materials, and exact dimensions required for demanding ultra-high-pressure applications. Our components are designed to provide OEM-level performance and reliability while offering substantial cost savings compared to original manufacturer pricing.
By choosing HJ Waterjet, customers receive:
- OEM-quality fit and performance
- Precision-machined components
- Extended service life
- Lower maintenance costs
- Reduced machine downtime
- Competitive pricing
- Fast availability
Recommended Preventative Maintenance
To maximize pump performance:
- Replace worn poppets and valve seats during scheduled maintenance.
- Inspect sealing head components whenever pressure loss or inconsistent cutting occurs.
- Replace springs and sealing components at the first signs of fatigue.
- Use only clean, properly filtered water to extend component life.
- Inspect the sealing head during every major pump service.