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]
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3900 Series Forged Body Integral Bonnet Needle Valves
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Item # 3912F8B
Item # 3912F8B, 3900 Series Forged Body Integral Bonnet Needle Valves
List Price QUOTE
Regulating stem tip 0.312" (7.9mm) orifice/1.1 Cv
Specifications
·
Materials of Construction
·
Typical Applications
·
Features & Benefits
Specifications
Series
3900
Type
Needle Valve
Body Style
Globe
Body Material
Brass
Stem Tip
Regulating
Inlet
1/2" Female NPT
Outlet
1/2" Female NPT
Max. Operating Pressure
3000
psig
207
bar
Operating Temperature
-65 to 450
ºF
-54 to 232
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
Needle Valve Materials 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