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Nupro Gas Metering Valves

Controls the gas flow into vacuum systems.

  • Constructed of 316 stainless steel


  • Enables regulation of medium gas flows at temperatures up to 200° C
  • Rated to 1,000 psi
  • To order the Vernier Handle option, add "–MH" at the end of the part number.


  • Provide very fine flow control
  • Rated to 2,000 psi
  • To order the Vernier Handle option, add "–VH" at the end of the part number.

Specifications Table

Type Nupro MNupro S
Temperature (°C) Fluorocarbon: -23 to 204
Buna-N: -23 to 149
Fluorocarbon: -23 to 204
Buna-N: -23 to 149
Flow Coeff. Cv 0.030.004
Pressure Rating (psi) 1,000(@21°C)2,000(@21°C)
Turns to Open 8 to 108 to 12
Orifice (mm) 1.400.79
Stem Taper (include angle)
Dead Stop Handle Not RequiredYes
Used for Shut-Off NoNo
Internal Volume 460 mm398 mm3

Dimensional Drawings

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Ordering Table

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Flange Selection Guide
With a variety of flanges to choose from, the Flange Selection Guide is designed to help you find one to meet your vacuum requirements. Shop Now!
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