Discharge Seat | Sealing Head Outlet Seat | 90K | HJ-72101570
HJ WATERJET Part Number HJ-72101570 is a precision-engineered Discharge Seat (Outlet Seat) designed for KMT Streamline PRO II and PRO III 90,000 PSI (6,200 bar) waterjet intensifier pumps. This critical sealing head component provides a hardened sealing surface for the outlet check valve, ensuring efficient high-pressure water flow while minimizing leakage and maintaining consistent cutting performance. It is identified as the discharge/outlet seat in KMT sealing head assemblies and repair kits.
Manufactured to exact specifications, the HJ-72101570 discharge seat is engineered to withstand the extreme pressures generated during abrasive waterjet cutting. Regular replacement during sealing head maintenance helps restore pump efficiency, reduce downtime, and extend the service life of surrounding high-pressure components.
This HJ-72101570 Discharge Seat is commonly included in KMT outlet and inlet/outlet check valve repair kits, such as 72135447 and 72117819, together with the discharge poppet, poppet pin, compression spring, and other sealing head parts.
Key Features
- Part Number: HJ-72101570
- Part Name: Discharge Seat / Outlet Seat / Sealing Head Seat
- Designed for 90,000 PSI (6,200 Bar) ultra-high-pressure pumps
- Precision-machined hardened sealing surface
- Maintains proper outlet check valve sealing
- Restores pump efficiency and cutting consistency
- Reduces internal leakage and pressure loss
- Manufactured to exact dimensional specifications
- Long service life under demanding industrial operation
- Direct replacement for worn or damaged discharge seats
Compatible Equipment
Compatible with:
- KMT Streamline PRO II
- KMT Streamline PRO III
- KMT 90K Intensifier Pumps
- 90,000 PSI (6,200 Bar) KMT Waterjet Systems
Compatibility depends on the sealing head configuration, particularly the earlier PRO II and certain PRO III designs that use outlet seat HJ-72101570.
Applications
Ideal for:
- Waterjet cutting machines
- Metal fabrication
- Stone cutting
- Glass cutting
- Ceramic processing
- Composite machining
- Aerospace manufacturing
- Automotive production
- Industrial abrasive waterjet systems
Benefits
- Restores proper sealing performance
- Maintains maximum cutting pressure
- Improves pump reliability
- Minimizes maintenance downtime
- Helps prevent premature component wear
- Supports consistent waterjet cutting accuracy
- Quality fit and performance
Commonly Replaced With
During sealing head maintenance, technicians often replace:
- Discharge Poppet
- Poppet Pin
- Compression Spring
- Ball (ball-style assemblies)
- Dowel Pin
- Complete Check Valve Repair Kit
- High-pressure seals
The HJ-72101570 discharge seat is included in several KMT check valve repair kits for 90K systems.
Technical Specifications
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Specification
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Value
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Part Number
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HJ-72101570
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Part Name
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Discharge Seat
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Component Type
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Sealing Head Outlet Seat
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Pressure Rating
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90,000 PSI (6,200 Bar)
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Pump Type
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Intensifier Pump
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Compatible Pumps
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KMT Streamline PRO II & PRO III
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Function
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Outlet Check Valve Sealing Surface
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Installation
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Direct Replacement
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