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3700,3800,3900 SERIES
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FORGED BODY,INTEGRAL BONNET NEEDLE VALVE |
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Typical Applications
- Instrument air lines
- Sampling
- Gas chromatography
- Test stands
- Cylinder valves
Features & Benefits
- Safety
- Integral bonnet provides diff erential 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¢ç 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¢ç 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
- Special High Tolerance NPT Thread
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Technical Information
Maximum Operating Pressure 316 stainless steel, Monel¢ç, carbon steel 5000 psig @ 70¡Æ F [345 bar @ 21¡Æ C] Brass 3000 psig @ 70¡Æ F [207 bar @ 21¡Æ C] |
Operating Temperature Range Metal stem tip −65¡Æ to +450¡Æ F [−54¡Æ to +232¡Æ C] PCTFE stem tip −20¡Æ to +250¡Æ F [−29¡Æ to +121¡Æ C] |
Orifice Sizes 0.060¡È to 0.312¡È [1.5mm to 7.9mm] |
Cv Factors 0.07 to 1.10 | |

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