Description
Hastelloy C276/B3 Dual Plate 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