NVFF Series-Bar Stock Needle Valves

The bar stock needle valves is manufactured from stainless steel and it is available with different kinds of elastomeric seals which helps to provide excellent resistance to corrosion, thermal resistance as well as fluid compatibility. It also has two piece panels with mountable design which gives room for a flexible installation. A bar stock needle valve ensures the seal is perfect and has a low operating torque and a good seating which helps to prevent the sudden removal of the stem. The standard steel valve allows the customer to control the flow perfectly by screwing the needle down onto the seat. It is perfect for use on compatible gases and fluids.


The applications include fuel cell industry, semiconductor manufacturing equipment, aerospace equipment, packaging machinery, industrial robot, and oil and gas industry etc.


  • Temperature range: -100 to 1200 Degree Fahrenheit
  • Pressure range: Up to 10,000 PSIG
  • Valve orifice sizes: 0.85 or customize
  • Cv: 0.250
  • Body material: Different kinds of alloy or stainless steel 316 or 304
  • Stem type:Metering and regulating type
  • End connection types: female or male NPT, pipe and tube socket etc.
  • End connection sizes: Inlet 0.25, 0.5, 0.75 and 1 inch
  • Outlet 0.25 and 0.5 inches
  • External inlet: 4 and 6 inches


  • Size: 0.25 to 1 inch BSP,NPT pipe and tube socket.
  • Body: Stainless steel 316 or 304
  • Pressure range: 0 to 400 BAR,6,000 PSI,10,000PSI
  • EN 10204 3.1 or 3.2 material certificate

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