Hastelloy C276/B3 Dual Plate Wafer Check Valve
Body: Hastelloy c276/B3
Disc: Hastelloy, 13Cr
Stem: Hastelloy, 13Cr
Seat Ring: SS304/Nylon, Stellite, SS304, SS316
Nominal Pressure: PN 1.0 to 2.5Mpa, Class 150 to 600
Nominal Size: 2″ to 24″
Temperature: -198?c to 450?c
Design and Manufacture: ANSI B16.34, API 6D, DIN 3840, BS EN 1868
Face to face Dimensions: ANSI B16.10, API 6D, DIN3202, BS EN558-1
Flanged connection: ANSI B16.5, DIN 2543, BS EN 1092-1
Test and inspection: API598, API6D, DIN3230, BS EN 12569
Butt welded end: ANSI B16.25
Dimensions
| DN | D | D1 | D2 | L | R | T |
| 2″ | 102 | 65 | 32 | 54 | 29 | 25 |
| 2.5″ | 121 | 78 | 42.1 | 60 | 36 | 29.3 |
| 3″ | 134 | 94 | 82 | 67 | 43.4 | 27.7 |
| 4″ | 171 | 117 | 97.5 | 67 | 55.6 | 26.7 |
| 5″ | 193 | 145 | 111.8 | 83 | 67.6 | 38.6 |
| 6″ | 219 | 171 | 127 | 95 | 78.6 | 46.3 |
| 8″ | 276 | 222 | 161.7 | 127 | 104.4 | 66 |
| 10″ | 336 | 276 | 213.4 | 140 | 128 | 70.7 |
| 12″ | 406 | 327 | 237.9 | 181 | 156.7 | 102 |
| 14″ | 448 | 375 | 312.2 | 184 | 179.8 | 89.2 |
| 16″ | 511 | 416 | 351 | 191 | 198.4 | 92.5 |
| 18″ | 546 | 467 | 409 | 203 | 226.2 | 96.2 |
| 20″ | 603 | 514 | 451.9 | 213 | 248.2 | 102.7 |
| 24″ | 714 | 616 | 554.7 | 222 | 297.4 | 107.3 |
