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

Butterfly Valve

Series B (Flange Rating: API 605)
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
26 1465 475 485 505 240 617 712 786 390 211 600 80 42 292 744.5 22.5 28 3/4"x10
28 1525 505 515 505 240 667 762 838 390 211 600 80 45 292 795.3 22.5 32 3/4"x10
30 1575 530 540 505 240 717 813 888 390 211 600 80 45 318 846.1 22.5 36 3/4"x10
32 1675 580 590 505 240 767 868 942 390 211 600 80 48 318 900.2 22.5 40 3/4"x10
34 1735 610 620 505 260 816 921 1006 490 343 600 100 51 330 957.3 25.5 32 7/8"x9
36 1895 640 650 505 260 866 972 1058 490 343 600 100 53 330 1009.7 25.5 36 7/8"x9
38 1876 680 690 505 260 916 1023 1124 490 343 600 120 54 410 1069.8 28.5 32 1"x8
40 1925 705 715 505 260 966 1080 1176 490 343 600 120 57 410 1120.6 28.5 36 1"x8
42 2134 725 735 674 350 1016 1131 1226 590 431 800 130 59 410 1171.4 28.5 40 1"x8
44 2234 785 775 674 350 1059 1182 1278 590 431 800 130 61 450 1222.2 28.5 44 1"x8
46 2324 840 810 674 350 1109 1236 1342 590 431 800 130 64 450 1284.2 32.0 32 1"x8
48 2364 860 830 674 350 1159 1290 1394 590 431 800 140 66 470 1335.0 32.0 36 1 1/8"x8