Circle Valve Technologies Inc.
1533 Gehman Road
Harleysville, PA 19438

Toll Free:800-645-6733 | Phone:267-933-6300 | Fax:267-933-6305|
email: [email protected]
All Categories > Hoke® Valves > Needle Valves > 3800 Series Forged Body Integral Bonnet Needle Valves > Item # 3812F4B  


Item # 3812F4B, 3800 Series Forged Body Integral Bonnet Needle Valves
List Price QUOTE

Regulating stem tip 0.219" (5.6mm) orifice/0.55 Cv





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

Specifications

Series
3800

Type
Needle Valve

Body Style
Globe

Body Material
Brass

Stem Tip
Regulating

Inlet
1/4" Female NPT

Outlet
1/4" Female NPT

Max. Operating Pressure
3000 psig
207 bar

Operating Temperature
-65 to 450 ºF
-54 to 232 ºC

Orifice Size
0.219 in
5.6 mm

Flow Coefficient (Cv)
0.55

Panel Hole Dia.
16.2 mm
41/64 in

Max. Panel Thickness
4.7 mm
3/16 in


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

    		•


    Materials of Construction



      Description Brass 316 stainless steel Carbon steel Monel®
    1 Body Brass 316 stainless steel Carbon steel Monel®
    2 Stem 316 stainless steel 316 stainless steel 316 stainless steel Monel®
    3 Stem tip
    soft
    hard    		 PCTFE
    17-4PH stainless steel    		 PCTFE
    17-4PH stainless steel    		 PCTFE
    17-4PH stainless steel    		 PCTFE
    Monel®
    4 Stem packing TFE/brass wafers TFE/316 stainless steel wafers TFE/316 stainless steel wafers TFE/Monel® wafers
    5 Handle ABS ABS ABS/aluminum ABS
    6 Panel mounting nut Nickel-plated brass Nickel-plated brass Nickel-plated brass Nickel-plated brass





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