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Home > Products > Valves > Metering > High-Flow Metering Valves, Cv up to 0.15
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High-Flow Metering Valves, Cv up to 0.15

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High-Pressure Valves—31 Series

High Pressure Valves 31 Series

Specifications

Working Pressure
Temperature
Body Material
Packing Material
Flow Coefficient
End Connections
• Type

• Size
Up to 5000 psig (344 bar)
–65 to 850°F (–53 to 454°C)
316 stainless steel
PTFE, Grafoil®
0.04

Swagelok tube fitting, female NPT
1/8 and 1/4 in.; 6 mm

Features

High Pressure Valves 31 Series Cutaway
  • Tapered stem tip accurately controls gas and liquid flow rates
  • Straight and angle patterns
  • Metal-to-metal shutoff
  • 2° stem taper (included angle)
  • Panel mounting
  • Round phenolic handle

Testing

Every Swagelok 31 series metering valve is factory tested with nitrogen at 1000 psig (69 bar). Seats have a maximum allowable leak rate of 0.1 std cm3/min.


Cleaning and Packaging

Swagelok 31 series metering valves are processed in accordance with Swagelok Standard Cleaning and Packaging (SC-10); special cleaning and packaging in accordance with Swagelok Special Cleaning and Packaging (SC-11), to ensure compliance with product cleanliness requirements stated in ASTM G93 Level C, are available as an option.


Options

Colored Handles
Black phenolic handles are standard. Blue, green, orange, red, and yellow colors are available.

High-Temperature Stem Packing
Grafoil packing extends the temperature rating to 850°F (454°C).
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