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Metering Valves

Metering Valves

Metering Valves

Swagelok offers several metering valves for low- and high-pressure service in 316 stainless steel and brass materials with flow coefficients from 0.004 to 0.16 for low-, medium-, and high-flow applications.

Metering valves:

  • Deliver accurate flow rate control in analytical, instrumentation, and research applications
  • Are suitable for low- and high-pressure situations
  • Provide fine adjustments for precision applications

High-Pressure Metering Valves (31 Series)


Working Pressures Up to 5000 psig (344 bar)
Temperature –65 to 850°F (–53 to 454°C)
Body Material 316 stainless steel
Packing Material PTFE, Grafoil®
Flow Coefficient 0.04
End Connections
Type Swagelok® tube fitting, female NPT
Size 1/8 and 1/4 in.; 6 mm

Low-Pressure Metering Valves (S, M, and L Series)


Working Pressures Up to 2000 psig (137 bar)
Temperature –10 to 400°F (–23 to 204°C)
Body Material 316 stainless steel, brass
Stem O-Ring Material Flurocarbon FKM (with 316 SS body), Buna N (with brass body) standard, additional materials available
Flow Coefficient 0.004 to 0.16
End Connections
Type Swagelok tube fitting, NPT, integral male VCR® face seal fitting
Size 1/16, 1/8 and 1/4 in.; 3 and 6 mm

View and purchase our most widely used products.

Discover more about how Swagelok products can work for you. Browse our catalogs or locate a sales and service center.

Safe Product Selection: The complete catalog contents must be reviewed to ensure that the system designer and user make a safe product selection. When selecting products, the total system design must be considered to ensure safe, trouble-free performance. Function, material compatibility, adequate ratings, proper installation, operation, and maintenance are the responsibilities of the system designer and user.

⚠ Warning: Do not mix/interchange Swagelok products or components not governed by industrial design standards, including Swagelok tube fitting end connections, with those of other manufacturers.