Butterfly Valve
Design Features
Slim Seal, Wafer Type, Double Flanged Type Double Eccentric, Triple Eccentric Design
100% tight shut off in both flow directions. REPLACEABLE/ Molded rubber seat in various material.
A fully universal body design ensures suitable for mounting between all popular standards (VIZ: – ANSI, BS, DIN, IS, JIS, etc.)
The notch disc & band lever ensures locking of the valves in 8 intermediate positions in addition to close and open position.
Face to face water short dimensions conform to BS 5155 / API 609 / IS 13095 / AWWA C 504.
Lever Operated, Gear Operated, Pneumatic and Electrical Actuator operated.
Standard Materials
Design Specifications
Standard Materials
| Part | Material | |||
|---|---|---|---|---|
| Body | CI | WCB | CF8 | CF8M |
| Disc | CI / WCB / CF8 / CF8M | WCB / CF8 / CF8M | CF8 / CF8M | CF8M |
| Stem | SS 410 / 17-4 PH/ Ss304 / SS 316 |
SS 410 / 17-4 PH / SS 304 / SS 316 |
SS 304 | SS 316 |
| Lining | EPDM / NITRILE / VITON / PTFE / PFA | |||
| Stem Packing | NBR / VITON / PTFE | |||
| Lever | IC CASTED, IN ALL MOC | |||
| Stud – Nut | GR. B7 / 2H | GR. B7 / 2H | GR. 8 | GR. 8M |
| Name Plate | Stainless Steel / Alluminium | |||
Design Specifications
| Item | Applicable STD |
|---|---|
| Design Standard | API 609 / BS 5351 |
| Fire Safe Standard | API 607 / API 6FA |
| Pressure Temperature | ASME B16.34 |
| Face-to-Face Dimensions | API 609 / ASME B16.10 |
| Testing Standard | API 598 / BS 6755 |
| Flange Design | ASME B16.5 / DIN |
| Materials | ASTM |
Butterfly Valve Dimensions
| Size | 2” | 2 ½” | 3” | 4” | 5” | 6” | 8” | 10” | 12” |
|---|---|---|---|---|---|---|---|---|---|
| L | 43.0 | 46.0 | 46.0 | 52.0 | 56.0 | 56.0 | 60.0 | 68.0 | 78.0 |
| B | 115.0 | 120.0 | 130.0 | 150.0 | 155.0 | 175.0 | 205.0 | 255.0 | 285.0 |
| C | 60.0 | 65.0 | 75.0 | 92.0 | 105.0 | 120.0 | 150.0 | 190.0 | 225.0 |
| ØD | 48.0 | 63.0 | 76.0 | 100.0 | 125.0 | 150.0 | 201.0 | 240.0 | 290.0 |
| ØE | 65.0 | 65.0 | 65.0 | 65.0 | 65.0 | 65.0 | 75.0 | 75.0 | 75.0 |
| F | 185.0 | 185.0 | 230.0 | 230.0 | 230.0 | 265.0 | 325.0 | 385.0 | 385.0 |
| Size | 4” | 5” | 6” | 8” | 10” | 12” | 14” | 16” | 18” | 20” | 24” |
|---|---|---|---|---|---|---|---|---|---|---|---|
| L | 52.0 | 56.0 | 56.0 | 60.0 | 68.0 | 78.0 | 78.0 | 102.0 | 114.0 | 127.0 | 154.0 |
| B | 150.0 | 155.0 | 175.0 | 205.0 | 255.0 | 285.0 | 319.0 | 385.0 | 405.0 | 465.0 | 540.0 |
| C | 92.0 | 105.0 | 120.0 | 150.0 | 190.0 | 225.0 | 290.0 | 275.0 | 302.0 | 405.0 | 460.0 |
| ØD | 100.0 | 125.0 | 150.0 | 201.0 | 240.0 | 290.0 | 344.0 | 382.0 | 433.0 | 476.0 | 590.0 |
| ØE | 230.0 | 230.0 | 265.0 | 325.0 | 385.0 | 385.0 | 435.0 | 490.0 | 540.0 | 602.0 | 700.0 |
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