marine center wafer butterfly valve
technical parameter
nominal diameter: dn50～dn500
nominal pressure: pn1.0-1.6mpa, 5k-16k, 150lb
body material: cast steel, bronze, stainless steel, ductile iron
applicable medium: sea water, fresh water, air, crude oil, refined oil
body type: a type, b type, c type, d type, q type, y type
working temperature: -40℃～170℃
connection form: clip type
drive type: handle type, worm gear type, screw type, hydraulic
main external connection dimensions
nominal pressure(mpa) | nominal diameter(mm) |
a type |
b type |
c type |
d type |
q type |
y type | ||||||||||||
h | h1 | l1 | h | h1 | l1 | h | h1 | l1 | h | h1 | l1 | h | h1 | l1 | h | h1 | l1 | ||
1.0 | 50 | 215 | 80 | 235 | 420 | 80 | 90 | 280 | 80 | 160 | 600 | 80 | 200 | 265 | 80 | 75 | 325 | 80 | 156 |
65 | 235 | 90 | 235 | 435 | 90 | 90 | 295 | 90 | 160 | 615 | 90 | 200 | 348 | 90 | 75 | 345 | 90 | 156 | |
80 | 285 | 120 | 235 | 480 | 120 | 90 | 340 | 120 | 160 | 680 | 120 | 250 | 430 | 120 | 75 | 365 | 120 | 156 | |
100 | 315 | 130 | 250 | 500 | 130 | 90 | 360 | 130 | 160 | 700 | 130 | 250 | 475 | 130 | 105 | 405 | 130 | 156 | |
125 | 355 | 150 | 300 | 565 | 150 | 100 | 395 | 150 | 160 | 738 | 150 | 300 | 510 | 150 | 105 | 485 | 150 | 156 | |
150 | 395 | 165 | 350 | 600 | 165 | 100 | 430 | 165 | 180 | 780 | 165 | 300 | 615 | 165 | 105 | 509 | 165 | 156 | |
200 | 700 | 195 | 125 | 485 | 195 | 180 | 845 | 195 | 350 | 670 | 195 | 105 | 622 | 195 | 242 | ||||
250 | 770 | 225 | 125 | 570 | 225 | 210 | 940 | 225 | 350 | 775 | 225 | 120 | 698 | 225 | 242 | ||||
300 | 860 | 250 | 140 | 630 | 250 | 210 | 995 | 250 | 400 | 830 | 250 | 120 | 794 | 250 | 305 | ||||
350 | 930 | 280 | 160 | 730 | 280 | 275 | 1058 | 280 | 400 | 930 | 280 | 140 | 860 | 280 | 305 | ||||
400 | 995 | 310 | 160 | 800 | 310 | 275 | 1118 | 310 | 400 | 1000 | 310 | 140 | 908 | 310 | 305 | ||||
450 | 1139 | 344 | 225 | 875 | 344 | 275 | 995 | 344 | 305 | ||||||||||
500 | 1272 | 382 | 225 | 960 | 382 | 350 | 1011 | 382 | 305 | ||||||||||
nominal pressure (mpa) | nominal diameter (mm) | structure&flange dimension | hole of nut | ||||||||||||||||
iso(gb2501-89) | jis | gb(gb569-65) | iso | jis | gb | ||||||||||||||
l | d | d1 | d2 | l | d | d1 | d2 | l | d | d1 | d2 | n | d | n | d | n | d | ||
1.0 | 50 | 43 | 165 | 125 | 102 | 43 | 155 | 120 | 98 | 43 | 135 | 103 | 84 | 4 | 18 | 4 | 19 | 6 | 16 |
65 | 46 | 185 | 145 | 122 | 46 | 175 | 140 | 112 | 46 | 155 | 123 | 104 | 4 | 18 | 4 | 19 | 6 | 16 | |
80 | 46 | 200 | 160 | 133 | 46 | 185 | 150 | 125 | 46 | 170 | 138 | 118 | 8 | 18 | 8 | 19 | 8 | 16 | |
100 | 52 | 220 | 180 | 158 | 52 | 210 | 175 | 144 | 52 | 190 | 158 | 138 | 8 | 18 | 8 | 18 | 8 | 16 | |
125 | 56 | 250 | 210 | 184 | 56 | 250 | 210 | 178 | 56 | 215 | 183 | 164 | 8 | 18 | 8 | 23 | 10 | 16 | |
150 | 56 | 285 | 240 | 212 | 56 | 280 | 240 | 207 | 56 | 240 | 208 | 190 | 8 | 22 | 8 | 23 | 12 | 16 | |
200 | 60 | 340 | 295 | 268 | 60 | 330 | 290 | 260 | 60 | 310 | 273 | 250 | 8 | 22 | 12 | 23 | 12 | 18 | |
250 | 68 | 395 | 350 | 320 | 68 | 400 | 355 | 316 | 68 | 380 | 336 | 310 | 12 | 22 | 12 | 25 | 14 | 22 | |
300 | 78 | 445 | 400 | 370 | 78 | 445 | 400 | 361 | 78 | 435 | 391 | 364 | 12 | 22 | 12 | 25 | 16 | 22 | |
350 | 78 | 505 | 460 | 430 | 78 | 490 | 445 | 404 | 78 | 485 | 441 | 414 | 16 | 22 | 16 | 25 | 18 | 22 | |
400 | 102 | 565 | 515 | 482 | 102 | 560 | 510 | 462 | 102 | 545 | 496 | 466 | 16 | 26 | 16 | 27 | 18 | 26 | |
450 | 114 | 615 | 565 | 530 | 114 | 620 | 565 | 522 | 114 | 600 | 551 | 520 | 20 | 26 | 20 | 27 | 20 | 26 | |
500 | 127 | 670 | 620 | 585 | 127 | 675 | 620 | 585 | 127 | 650 | 601 | 573 | 20 | 26 | 20 | 27 | 20 | 26 | |