PNEUMATIC CONTROL VALVE ASSEMBLY, UHP, NORMALLY CLOSED, 90K

HJ-20480359

KMT PART NUMBER: 20480359

Pneumatic Control Valve, UHP Normally Closed, 90K | HJ-20480359


The Pneumatic Control Valve, UHP Normally Closed 90K | HJ-20480359 is a precision-engineered valve and actuator assembly specifically designed for 90,000 PSI (6,200 bar) ultra-high-pressure waterjet cutting systems. This HJ-20480359 valve delivers fast, reliable pneumatic actuation while maintaining exceptional pressure control and cutting accuracy in demanding industrial environments.

Designed with a normally closed (NC) configuration, the valve remains securely closed when pneumatic pressure is removed, providing enhanced operational safety, improved system protection, and dependable water flow control. Its robust construction ensures consistent performance under continuous high-pressure operation while helping reduce equipment downtime and maintenance costs.

Whether you are replacing a worn component or performing preventive maintenance, the HJ WATERJET Pneumatic Control Valve HJ-20480359 restores your waterjet system to original factory performance and reliability.

 

Key Features

  • HJ Part Number HJ-20480359
  • Complete pneumatic valve and actuator assembly
  • Normally Closed (NC) configuration
  • Designed for 90,000 PSI (6,200 bar) ultra-high-pressure systems
  • Precision-machined for maximum sealing performance
  • Fast pneumatic response for improved cutting precision
  • Engineered for long service life in demanding industrial applications
  • Factory-tested for precision, quality and reliability
  • Helps minimize downtime and maximize productivity

 

Benefits

  • Maintains accurate ultra-high-pressure water flow control
  • Improves waterjet cutting consistency and edge quality
  • Enhances operational safety with fail-safe normally closed design
  • Reduces maintenance intervals and unexpected failures
  • Ensures dependable performance during continuous production
  • Restores original operating specifications
  • Ideal for preventive maintenance and equipment rebuilds

 

Applications

The Pneumatic Control Valve UHP Normally Closed 90K | HJ-20480359 is widely used in:

  • CNC Waterjet Cutting Machines
  • Industrial Waterjet Pumps
  • Ultra-High Pressure Waterjet Systems
  • Metal Fabrication
  • Aerospace Manufacturing
  • Automotive Production
  • Stone & Granite Cutting
  • Glass Processing
  • Composite Material Cutting
  • Precision Manufacturing
  • Industrial Maintenance Operations

 

Technical Specifications

Specification

Details

Product

Pneumatic Control Valve

Configuration

Normally Closed (NC)

Pressure Rating

90,000 PSI (6,200 Bar)

OEM Part Number

 20480359

Engineering Title

VLV/ACTR ASSY-UHP WTR

Application

Ultra High Pressure Waterjet Systems

 

Why HJ WATERJET Parts?

Using HJ Waterjet replacement components ensures your waterjet system continues to operate exactly as designed. HJ Waterjet parts are manufactured to strict engineering tolerances, delivering superior reliability, longer service life, and consistent cutting performance. HJ Waterjet components also help reduce unplanned downtime, protect critical pump components, and maintain overall system efficiency.

** 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.

EMAIL US

Our website uses cookies. By continuing to surf on the page, you agree to us using cookies. Click here for more information.

I understand