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Regulating stem tip 0.312" (7.9mm) orifice/1.1 Cv
Unit of Measure

Specifications

Series

 N/A 3900

Type

 N/A Needle Valve

Body Style

 N/A Globe

Body Material

 N/A Carbon Steel

Stem Tip

 N/A Regulating

Inlet

 N/A 1/2" Female NPT

Outlet

 N/A 1/2" Female NPT

Max. Operating Pressure

 N/A 5000 psig345 bar

Operating Temperature

 N/A -65 to 450 ºF-54 to 232 ºC

Orifice Size

 N/A 0.312 in7.9 mm

Flow Coefficient (Cv)

 N/A 1.10

Panel Hole Dia.

 N/A 19.4 mm49/64 in

Max. Panel Thickness

 N/A 7.9 mm5/16 in

Materials of Construction

3900 Series Material of Construction

 N/A
Needle Valve Materials of Construction

Typical Applications

N/A

  • Instrument air lines
  • Sampling
  • Gas chromatography
  • Test stands
  • Cylinder valves

Features & Benefits

N/A Safety

  • Integral bonnet provides differential thread pitch between stem threads and packing nut thread preventing accidental stem removal

    Stem tip options
  • A choice of PCTFE, metal, vee-point, blunt vee-point, or regulating stem tips

    Helps eliminate fugitive emissions
  • Dyna-Pak® packing provides a leak-tight seal with low operating torque in deep vacuum or high pressure applications

    Dependability
  • All valves are tested for bubble-tight leakage at both seat and packing

    Installation variety
  • Broad selection of male NPT, female NPT, and HOKE Gyrolok® fractional or metric tube fitting connections

    Handle options
  • Color-coded handles are available for identifying system fluids

    Panel mounting available
  • All models can be ordered for panel mounting

    Easy maintenance
  • All models can be panel mounted without packing disruption. Packing can be adjusted without removal from panel



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