D971X软密封对夹蝶阀是用随阀柑转动的圆形蝶板做启闭性，以实现启用动作的气动阀门主要做截断阀使用，亦可设计成具有调节或段阀兼调节的功能，目前碟阀在低压大中口径管道上的使用越来越多。本类阀门在管道中一般应当水平安装。
|
公称通径 |
结构长度(标准值) |
外形尺寸(参考值) |
连接尺寸(标准值) |
|||||||||
|
0.6MPa |
1.0MPa |
1.6MPa |
||||||||||
|
毫米 |
英寸 |
L |
H |
H0 |
A |
B |
D0 |
n-d |
D0 |
n-d |
D0 |
n-d |
|
50 |
2 |
43 |
63 |
438 |
125 |
125 |
110 |
4-14 |
125 |
4-18 |
125 |
4-18 |
|
65 |
2 1/2 |
46 |
70 |
453 |
125 |
125 |
130 |
4-14 |
145 |
4-18 |
145 |
4-18 |
|
80 |
3 |
46 |
83 |
478 |
125 |
125 |
150 |
4-18 |
160 |
8-18 |
160 |
8-18 |
|
100 |
4 |
52 |
105 |
519 |
125 |
125 |
170 |
4-18 |
180 |
8-18 |
180 |
8-18 |
|
125 |
5 |
56 |
115 |
713 |
325 |
245 |
200 |
8-18 |
210 |
8-18 |
210 |
8-18 |
|
150 |
6 |
56 |
137 |
749 |
325 |
245 |
225 |
8-18 |
240 |
8-22 |
240 |
8-22 |
|
200 |
8 |
60 |
164 |
843 |
325 |
245 |
280 |
8-18 |
295 |
8-22 |
295 |
12-22 |
|
250 |
10 |
68 |
206 |
947 |
363 |
313 |
335 |
12-18 |
350 |
12-22 |
355 |
12-26 |
|
300 |
12 |
78 |
230 |
1013 |
363 |
313 |
395 |
12-22 |
400 |
12-22 |
410 |
12-26 |
|
350 |
14 |
78 |
248 |
1046 |
363 |
313 |
445 |
12-22 |
460 |
16-22 |
470 |
16-26 |
|
400 |
16 |
102 |
289 |
1135 |
363 |
313 |
495 |
16-22 |
515 |
16-26 |
525 |
16-30 |
|
450 |
18 |
114 |
320 |
1328 |
465 |
439 |
550 |
16-22 |
565 |
20-26 |
585 |
20-30 |
|
500 |
20 |
127 |
343 |
1226 |
546 |
431 |
600 |
20-22 |
620 |
20-26 |
650 |
20-33 |
|
600 |
24 |
154 |
413 |
1394 |
546 |
556 |
705 |
20-26 |
725 |
20-30 |
770 |
20-36 |
|
700 |
28 |
165 |
478 |
1534 |
546 |
556 |
810 |
24-26 |
840 |
24-30 |
840 |
24-36 |
|
800 |
32 |
190 |
525 |
1659 |
546 |
556 |
920 |
24-30 |
950 |
24-33 |
950 |
24-39 |
|
900 |
36 |
203 |
585 |
1748 |
617 |
706 |
1020 |
24-30 |
1050 |
28-33 |
1050 |
28-39 |
|
1000 |
40 |
216 |
640 |
1805 |
632 |
706 |
1120 |
28-30 |
1160 |
28-36 |
1170 |
28-42 |
|
1200 |
48 |
254 |
755 |
2035 |
632 |
706 |
1340 |
32-33 |
1380 |
32-39 |
1390 |
32-48 |
|
1400 |
56 |
279 |
910 |
2310 |
790 |
1338 |
1560 |
36-36 |
1590 |
36-42 |
1590 |
36-48 |
|
1600 |
64 |
318 |
1030 |
2845 |
868 |
1476 |
1760 |
40-36 |
1820 |
40-48 |
1820 |
40-56 |
|
1800 |
72 |
356 |
1140 |
3060 |
868 |
1476 |
1970 |
44-39 |
2020 |
44-48 |
2020 |
44-56 |
|
2000 |
80 |
406 |
1250 |
3350 |
965 |
1600 |
2180 |
48-42 |
2230 |
48-48 |
2230 |
48-62 |