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Fluid Controls

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Needle Valves Screwed Bonnet Design, Male × Female Ends

Needle Valves with a screwed bonnet design and Male × Female end connections are engineered for precise flow regulation and dependable shut-off in instrumentation and process systems.

A instrumentation valve

Needle Valves Screwed Bonnet Design, Male × Female Ends

The Needle Valve features a tapered needle-shaped stem that gradually enters or withdraws from the valve seat, allowing fine and repeatable flow adjustment. The screwed bonnet design securely retains the stem assembly and packing components, ensuring reliable performance and maintenance.

Max working pressure
up to 6000 psig
Body materials
CS, SS 304, SS 316, Duplex, Super Duplex, Inconel 625, Inconel 825, Hastelloy C276
Thread systems
NPT, BSPP, BSPT, SW
Heat-code traceable · 100% tested

Features

  • Robust screwed bonnet construction for reliable service.
  • Precise flow regulation through tapered needle stem design.
  • Bubble-tight shut-off capability.
  • Male × Female threaded end connections for simple installation.
  • Non-rotating stem tip minimizes seat wear and extends service life.
  • Blow-out resistant stem design for enhanced safety.
  • Replaceable packing for easy maintenance and extended valve life

Applications

  • Instrument Isolation
  • Sampling Systems
  • Hydraulic & Pneumatic Systems
  • Oil & Gas Processing
  • Chemical & Petrochemical Plants
  • Power Generation
Tube OD range
1/4 in, 3/8 in, 1/2 in, 3/4 in, 1 in
Size range
1/4 in, 3/8 in, 1/2 in, 3/4 in, 1 in
Max working pressure
up to 6000 psig
Thread systems
NPT, BSPP, BSPT, SW
Body materials
CS, SS 304, SS 316, Duplex, Super Duplex, Inconel 625, Inconel 825, Hastelloy C276
Temperature
-29 °C to 232 °C

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