HP Seal Assembly, .875 Plunger, 55K PSI | HJ-05123385 | High-Pressure Waterjet Pump Seal
The Seal Assembly, HP, .875 Plunger, 55K PSI | HJ-05123385 is designed specifically for .875-inch plunger high-pressure intensifier pumps, this seal assembly provides exceptional sealing performance in demanding 55,000 PSI (3,800 bar) waterjet applications.
Manufactured to meet and exceed specifications, this HJ-05123385 high-pressure seal assembly minimizes water leakage, protects critical pump components, and helps maintain consistent operating pressure for optimal cutting efficiency. It is engineered using premium wear-resistant sealing materials that deliver outstanding durability in continuous industrial production environments.
This HJ-05123385 seal assembly is commonly used in KMT SL-IV intensifier pumps with 15 to 50 horsepower ratings and is an essential maintenance component during scheduled pump rebuilds and preventative maintenance programs. It is also referenced as the HP Seal Assembly for .875-inch plunger units operating at 55,000 PSI.
Key Features
- Precision engineered for .875-inch (7/8") HP plungers
- Designed for 55,000 PSI (3,800 bar) waterjet systems
- HJ quality materials for maximum sealing performance
- Reduces internal leakage and pressure loss
- Extends the service life of high-pressure pump components
- Helps maintain consistent cutting pressure and machine efficiency
- Manufactured to exact dimensional tolerances for easy installation
- Excellent resistance to wear, pressure cycling, and abrasive operating conditions
Applications
This HJ-05123385 seal assembly is designed for use in:
- KMT SL-IV Intensifier Pumps
- 15 HP – 50 HP Waterjet Pumps
- Industrial Waterjet Cutting Systems
- Metal Fabrication
- Aerospace Manufacturing
- Automotive Production
- Stone and Glass Cutting
- Composite Material Processing
- General Precision Waterjet Machining
Benefits
Replacing worn high-pressure seals before failure helps:
- Maintain maximum cutting pressure
- Improve cutting quality and edge finish
- Prevent costly pump downtime
- Reduce water leakage
- Protect expensive hydraulic and high-pressure components
- Increase overall pump reliability
- Lower long-term maintenance costs
Routine seal replacement is one of the most cost-effective methods of extending the life of any high-pressure intensifier pump.
Compatibility
Compatible with:
- KMT SL-IV 55K Intensifier Pumps
- .875" Plunger High-Pressure Assemblies
- 55,000 PSI (3,800 Bar) Systems
- KMT Part Number 05123385
Always verify your equipment model and part number before ordering.
Why Choose This Seal Assembly?
Engineered for demanding industrial environments, this HJ-05123385 high-pressure seal assembly delivers dependable sealing performance, exceptional durability, and exact fitment. Every HJ Waterjet component is manufactured to strict quality standards, ensuring reliable pressure retention and long service life in continuous waterjet cutting operations.
Whether performing scheduled maintenance or a complete pump rebuild, this seal assembly helps restore your equipment to peak operating performance while minimizing downtime and maximizing productivity.