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KMT Pneumatic Cutting valve

Pneumatic Cutting Valves – Normally Open (N/O)

This category includes normally open (N/O) pneumatic cutting valves and related components for industrial waterjet systems. Normally open pneumatic valves are designed to be open by default when no pneumatic signal is applied and to close when actuated by compressed air, making them suitable for applications where flow is generally required unless a control signal stops it. Pneumatic cutting valves are essential for managing high-pressure water flow in waterjet cutting operations. 

Products in this category are compatible with KMT-style waterjet systems and include valve parts and accessories used for assembly, service, and maintenance of pneumatic cutting valve systems.

Pneumatic cutting valve

What’s Included in This Category

  • Pneumatic Cutting Valve Bodies (N/O) – Core valve housings for normally open operation.  

  • Actuator Assemblies & Cylinders (N/O) – Pneumatic components that close the valve when air pressure is applied. 

  • Internal Parts (Seats, Bearing Discs, Pistons) – Precision components that ensure proper sealing and motion. 

  • Nozzle Tubes & Nozzle Nuts – High-pressure water channels and fittings. 

  • Seals, O-Rings & Backup Rings – Wear parts for maintenance and long-lasting performance.

Key Features

  • Normally open (N/O) design – Valve is open without air pressure and closes when actuated, ideal for fail-safe flowing conditions. 

  • Components compatible with industrial waterjet cutting systems

  • Includes essential parts for assembly, maintenance, and repair

  • Built for reliable performance under high pressure typical in waterjet operations.


Typical Applications

  • Pneumatic control in waterjet cutting heads and CNC systems

  • Industrial installations requiring controlled shutdown of water flow only when commanded.

  • Service and maintenance of waterjet valve assemblies