The size diagram of pneumatic butterfly valves is as follows, for reference only:
DN |
In | Pipe diameter | Outside diameter
of sealing surface |
PN10 flange | ||||
OD | PCD | Bolts&Length | Thinkness | |||||
40 |
1.5 | 45 | 85 | 150 | 110 | 4×M16 | 130 |
18 |
50 |
2 | 57 | 100 | 165 | 125 | 4×M16 | 130 |
18 |
65 |
2.5 | 73 | 120 | 185 | 145 | 4×M16 | 140 |
20 |
80 |
3 | 89 | 135 | 200 | 160 | 8×M16 | 140 |
20 |
100 |
4 | 108 | 155 | 220 | 180 | 8×M16 | 150 |
22 |
125 |
5 | 113 | 185 | 250 | 210 | 8×M16 | 150 |
24 |
150 |
6 | 159 | 210 | 285 | 240 | 8×M20 | 165 |
24 |
200 |
8 | 219 | 265 | 340 | 295 | 8×M20 | 175 |
24 |
250 |
10 | 273 | 320 | 395 | 350 | 12×M20 | 185 |
26 |
300 |
12 | 325 | 375 | 445 | 400 | 12×M20 | 195 |
28 |
350 |
14 | 377 | 435 | 505 | 460 | 16×M20 | 195 |
28 |
400 |
16 | 426 | 485 | 565 | 515 | 16×M24 | 220 |
30 |
450 |
18 | 480 | 545 | 615 | 565 | 20×M24 | 250 |
30 |
500 |
20 | 530 | 608 | 670 | 620 | 20×M24 | 290 |
32 |
600 |
24 | 630 | 718 | 780 | 725 | 20×M27 | 324 |
36 |
700 |
28 | 720 | 788 | 895 | 840 | 24×M27 | 334 |
36 |
800 |
32 | 820 | 898 | 1015 | 950 | 24×M30 | 364 |
38 |
900 |
36 | 920 | 998 | 1115 | 1050 | 28×M30 | 388 |
38 |
1000 | 40 | 1020 | 1110 | 1230 | 1160 | 28×M33 | 411 |
38 |