Dimensions of Butterfly valve Class 150 Double Flanged.
All dimensions are in "mm" unless noted otherwise.
Dimensions and images are taken from Flowserve Catalogue.

Butterfly Valve

Size
NPS (in)
H H1 H2 H3 H4 Ød Øg O.D A B ØW ØF t L B.C.D Øh n T UNC/UN
3 471 120 135 216 140 56 127 190 176 49 160 14.3 25 114 152.4 - - 5/8"x11
4 521 145 160 216 140 76 158 230 176 49 160 17.5 25 127 190.5 19.0 4 5/8"x11
6 689 182 195 312 190 124 216 280 230 71 280 23.9 28 140 241.3 22.0 4 3/4"x10
8 759 217 230 312 190 174 270 345 230 71 280 28.7 30 152 298.5 22.0 4 3/4"x10
10 829 252 265 312 190 224 324 405 230 71 280 31.7 32 165 362.0 25.5 8 7/8"x9
12 1001 297 310 394 220 272 381 485 310 106 384 40 34 178 431.8 25.5 8 7/8"x9
14 1054 325 335 394 220 317 413 535 310 106 384 42 36 190 476.3 28.5 8 1"x8
16 1124 360 370 394 220 368 470 595 310 106 384 48 37 216 539.8 28.5 12 1"x8
18 1164 380 390 394 220 417 534 635 310 106 384 55 41 222 577.9 32.0 12 1 1/8"x8
20 1272 425 435 412 250 466 584 700 360 137 406 65 45 229 635.0 32.0 16 1 1/8"x8
24 1402 500 490 412 250 565 692 815 360 137 406 65 48 267 749.3 35.0 16 1 1/4"x8