Dimensions of Butterfly valve Class 300 Double Flanged.
All dimensions are in "mm" unless noted otherwise.
Double Flanged design Butterfly Valves can be used for dead-end service.
Dimensions and images are taken from Flowserve Catalogue.
| Size NPS (in) |
H | H1 | H2 | H3 | H4 | Ød | Øg | O.D | A | B | ØW | ØF | t | L | B.C.D | Øh | n | N | T UNC/UN |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 501 | 135 | 150 | 216 | 140 | 56 | 127 | 210 | 176 | 49 | 160 | 17.5 | 29 | 180 | 168.3 | 22.0 | 4 | 8 | 3/4"x10 |
| 4 | 657 | 165 | 180 | 312 | 190 | 76 | 158 | 225 | 230 | 71 | 280 | 23.9 | 33 | 190 | 200.0 | 22.0 | 4 | 8 | 3/4"x10 |
| 6 | 729 | 202 | 215 | 312 | 190 | 124 | 216 | 320 | 230 | 71 | 280 | 28.7 | 37 | 210 | 269.9 | 22.0 | 8 | 12 | 3/4"x10 |
| 8 | 809 | 242 | 255 | 312 | 190 | 174 | 270 | 380 | 230 | 71 | 280 | 31.7 | 42 | 230 | 330.2 | 25.4 | 8 | 12 | 7/8"x9 |
| 10 | 961 | 277 | 290 | 394 | 220 | 224 | 324 | 445 | 230 | 71 | 280 | 40 | 48 | 250 | 387.4 | 28.5 | 12 | 16 | 1"x8 |
| 12 | 1044 | 320 | 330 | 394 | 220 | 272 | 381 | 520 | 310 | 106 | 384 | 42 | 52 | 270 | 450.9 | 32.0 | 12 | 16 | 1 1/8"x8 |
| 14 | 1114 | 355 | 365 | 394 | 220 | 318 | 413 | 585 | 310 | 106 | 384 | 48 | 52 | 290 | 514.4 | 32.0 | 16 | 20 | 1 1/8"x8 |
| 16 | 1174 | 385 | 395 | 394 | 220 | 366 | 470 | 650 | 310 | 106 | 384 | 55 | 58 | 310 | 571.5 | 35.0 | 16 | 20 | 1 1/4"x8 |
| 18 | 1283 | 430 | 440 | 413 | 250 | 416 | 533 | 710 | 360 | 137 | 406 | 65 | 62 | 330 | 628.6 | 35.0 | 20 | 24 | 1 1/4"x8 |
| 20 | 1353 | 465 | 475 | 413 | 250 | 466 | 584 | 775 | 360 | 137 | 406 | 65 | 64 | 350 | 685.8 | 35.0 | 20 | 24 | 1 1/4"x8 |
| 24 | 1595 | 540 | 550 | 505 | 240 | 565 | 692 | 914 | 390 | 211 | 600 | 80 | 70 | 390 | 812.8 | 41.0 | 20 | 24 | 1 1/2"x8 |
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