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