SEALING HEAD ASSEMBLY, UHP, PRO III, .875" PLUNGER, POPPET STYLE INLET, 90K

HJ-7219002179

KMT PART NUMBER: 7219002179

Sealing Head Assembly | UHP | .875” Plunger | Offset Outlet | Coned Discharge Seat | 90K | HJ-7219002179


The HJ-7219002179 Sealing Head Assembly is an ultra-high-pressure (UHP) sealing head engineered for 90,000 PSI (6,200 bar) KMT Streamline PRO III waterjet intensifier pumps. Designed with a .875-inch plunger, offset outlet, and coned discharge seat, this upgraded sealing head delivers exceptional sealing performance, improved reliability, and extended service life in demanding waterjet cutting applications.

Manufactured to exact specifications, this HJ-7219002179 Sealing Head Assembly incorporates the latest flat-style inlet design and coned discharge seat technology for enhanced durability, reduced wear, and simplified maintenance. It is the recommended replacement for older ball-style sealing head assemblies used in previous PRO III systems, offering improved sealing efficiency and easier rebuilding.

 

Key Features

  • Part Number: HJ-7219002179
  • Designed for 90,000 PSI (6,200 bar) ultra-high-pressure systems
  • Compatible with KMT Streamline PRO III intensifier pumps
  • Precision-machined for .875-inch plunger applications
  • Offset outlet configuration
  • Advanced coned discharge seat design
  • Flat inlet poppet design for improved serviceability
  • Factory-engineered for maximum sealing performance
  • Reduces leakage and extends component life
  • Built from premium high-strength materials for long-lasting performance

 

Applications

The HJ-7219002179 Sealing Head Assembly is used in industrial waterjet cutting systems operating at 90K PSI, including:

  • Aerospace manufacturing
  • Metal fabrication
  • Automotive production
  • Stone and granite cutting
  • Glass processing
  • Composite material machining
  • Precision industrial waterjet cutting

 

Benefits

Replacing worn sealing head assemblies restores proper pressure retention, improves cutting consistency, minimizes downtime, and helps protect expensive intensifier components. The updated flat inlet and coned seat design offers superior sealing compared to earlier ball-style configurations while making future maintenance easier.

 

Compatible Equipment

  • KMT Streamline PRO III
  • 90,000 PSI Intensifier Pumps
  • .875 Plunger Systems
  • High-pressure waterjet cutting equipment utilizing sealing head assembly HJ-7219002179

This HJ-7219002179 Sealing Head Assembly uses HJ-7219001286 Seal Head Body and is compatible with either the HJ-7219013213 Inlet/Outlet Check Valve Repair Kit or the HJ-7219013217 Outlet Check Valve Repair Kit.

 

Why Choose HJ Waterjet Parts?

Using HJ Waterjet replacement parts ensures precise fit, HJ quality, maximum pump efficiency, and longer service intervals. Every component is manufactured to precise engineering specifications to maintain the performance and reliability expected from HJ Waterjet.

** 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.

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