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All Categories > Hoke® Valves > Needle Valves > 3900 Series Forged Body Integral Bonnet Needle Valves > Item # 3952F8E  
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Item # 3952F8E, 3900 Series Forged Body Integral Bonnet Needle Valves

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Image PCTFE stem tip 0.312" (7.9mm) orifice/1.1 Cv



Unit of Measure: Imperial Metric Both

Specifications  · Materials of Construction  · Typical Applications  · Features & Benefits

Specifications

Series

3900

Type

Needle Valve

Body Style

Globe

Body Material

Carbon Steel

Stem Tip

PCTFE

Inlet

1/2" Female NPT

Outlet

1/2" Female NPT

Max. Operating Pressure

5000 psig
345
bar

Operating Temperature

-20 to 250 ºF
-29 to 121
ºC

Orifice Size

0.312 in
7.9
mm

Flow Coefficient (Cv)

1.10

Panel Hole Dia.

19.4 mm
49/64
in

Max. Panel Thickness

7.9 mm
5/16
in


Materials of Construction

3900 Series Material of Construction



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



Features & Benefits
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



  •  MORE IMAGES 

    ·  Hoke Needle Valve 3900 Series Globe Pattern

    ·  Hoke Needle Valve 3900 Series 3952F8Y Globe Pattern


     DOWNLOADS 

    Ordering Options
    (GIF, 70KB)

    Pressure vs Temperature Curve
    (GIF, 31KB)

    Flow Curves
    (GIF, 38KB)

    Hoke 3700 3800 3900 Series Catalog
    (PDF, 252KB)

    Hoke Needle Valve 3900 Series Drawing
    (GIF, 70KB)

    Technical Data
    (JPG, 56KB)


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