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Valve - Butterfly, Wafer, Lug and Flange, ANSI Class 150, CS (in)

Written by Matt Milbury on . Posted in Butterfly Valve Datasheets

  • Shutoff pressures to 285 psi (2" - 8"), 200 psi (10" - 12"), and 150 psi (14" - 20")
  • Compatible with ANSI 125 and 150 flanges.
  • Wafer and lug butterfly valves are designed for installation between steel or iron flanges using no gasket. No gasket required since a rubber seal is part of the valve.
  • Butterfly Valves MSS SP-67
  • Butterfly Valves: Double-Flanged, Lug- and Wafer-Type API Std 609
  • ASME B16.5 - Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard
  • ASME B16.20 - Metallic Gaskets for Pipe Flanges: Ring-Joint, Spiral-Wound, and Jacketed
  • ASME B16.34 - Valves Flanged, Threaded and Welding End
  • Valve weight, open height and handwheel diameter are approximate and vary between manufacture's. Contact manufacturer for specific information.
  • Pressure Temperature Rating:
    • Carbon Steel
    • ASTM A216 Grade WCB
    • 285 psi @ -20°F to 100°F

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Valve Size

(in)

Face to Face Dimension (in)Approx. Weight (lb)
Wafer

A

Lug

A

Flange

A

Wafer

 

Lug

 

Flange

 

1/2 - - - - - -
3/4 - - - - - -
1 - - - - - -
1 1/2 - - - - - -
2 1 3/4 1 3/4 - 5 7 -
2 1/2 1 7/8 1 7/8 - 5 8 -
3 1 7/8 1 7/8 - 7 9 -
4 2 1/8 2 1/8 - 11 20 -
6 2 1/4 2 1/4 - 20 25 -
8 2 1/2 2 1/2 - 30 40 -
10 2 3/4 2 3/4 - 40 60 -
12 3 1/8 3 1/8 - 80 110 -
14 3 1/8 3 1/8 - 95 155 -
16 3 1/2 3 1/2 - 120 195 -
18 4 1/4 4 1/4 - 165 230 -
20 5 5/16 5 5/16 - 275 400 -
24 6 1/8 6 1/8 - 440 610 -