| (A) Center Disc Butterfly Valve | |
|---|---|
| Size | 2” (50 mm) to 36” (900 mm) |
| Class | PN 16 upto 12” and above PN 10 |
| Types | Wafer Type / Lug Type / Flange Ends |
| Design | API-609 – Category : A |
| Seat | Moulded Seat as NBR / EPDM / SILICON / VITON / PTFE |
| Operation | Lever / Gear / Actuator / Electric Operated |
| *Special Material & Higher Size also available on request. | |
| (B) Offset Disc Butterfly Valve | |
| Size | 2” (50 mm) to 36” (900 mm) |
| Class | PN 10 / PN 16 |
| End | Wafer Type / Lug Type / Flange Ends |
| Design | API-609 – Category : B / AWWA C504 |
| Seat | Moulded Seat Lip Seal Design
NBR / EPDM / SILICON / VITON etc. |
| Operation | Lever / Gear / Actuator / Electric Operated |
Center Disc Design Butterfly Valve
| VALVE DIMENSION | TOP PLATE DRILLING | |||||||||||
| SIZE | A | B | C | D | F | G | H | KEY WAY | Q | PCD | N | N |
| 40 | 40 | 77 | 85 | 34 | 31.7 | 12.7 | 8 | – | 22 | 70 | 4 | 9 |
| 50 | 50 | 95 | 100 | 43 | 31.7 | 14.2 | 9.5 | – | 26 | 70 | 4 | 9 |
| 65 | 65 | 117 | 115 | 46 | 31.7 | 14.2 | 9.5 | – | 47 | 70 | 4 | 9 |
| 80 | 75 | 126 | 125 | 46 | 31.7 | 14.2 | 9.5 | – | 60 | 70 | 4 | 9 |
| 100 | 100 | 160 | 150 | 53 | 31.7 | 15.9 | 11 | – | 85 | 70 | 4 | 9 |
| 125 | 125 | 182 | 155 | 56 | 31.7 | 15.9 | 11 | – | 113 | 70 | 4 | 9 |
| 150 | 152 | 210 | 170 | 56 | 31.7 | 19 | 12.7 | – | 144 | 102 | 4 | 11 |
| 200 | 203 | 265 | 205 | 61 | 31.7 | 22.2 | 18.5 | – | 195 | 102 | 4 | 11 |
| 250 | 252 | 325 | 255 | 69 | 50 | 28.6 | – | 6.3X6.3 | 245 | 125 | 4 | 11 |
| 300 | 300 | 366 | 275 | 78 | 50 | 28.6 | – | 6.3X6.3 | 313 | 125 | 4 | 11 |
| 350 | 337 | 438 | 305 | 78 | 65 | 35 | – | 7.9X7.9 | 330 | 140 | 4 | 18 |
| 400 | 387 | 490 | 335 | 102 | 65 | 41.2 | – | 9.5X9.5 | 376 | 140 | 4 | 18 |
| 450 | 438 | 539 | 368 | 114 | 65 | 47.6 | – | 12.7X9.5 | 425 | 140 | 4 | 18 |
| 500 | 489 | 595 | 400 | 127 | 65 | 47.6 | – | 12.7X9.5 | 475 | 140 | 4 | 18 |
| 600 | 587 | 696 | 495 | 154 | 75 | 47.6 | – | 12.7X9.5 | 570 | 165 | 4 | 18 |