產品概述
法蘭連接的截止閥適用于公稱壓力PN1．6～16MPa，工作溫度-29～550℃的石油、化工、制藥、化肥、電力行業等各種工況的管路上，切斷或接通管路介質。驅動方式有手動、齒輪傳動、電動、氣動等。
閥體材質：鑄鋼、不銹鋼等
公稱通徑DN(mm):15-400
公稱壓力PN（class）：150LB-600LB
適用溫度：200-425℃
主要尺寸和重量
| DN |
150Lb 凸面法蘭（RF) 主要尺寸Dimensions（mm） |
重量 Weight |
| mm |
in |
L |
D |
D1 |
D2 |
b |
n-φd |
H |
D0 |
| 15 |
1/2 |
108 |
89 |
60.5 |
35 |
11.2 |
4-16 |
241 |
100 |
6.9 |
| 20 |
3/4 |
117 |
98 |
69.9 |
43 |
12.7 |
4-16 |
241 |
100 |
9.8 |
| 25 |
1 |
127 |
108 |
79.2 |
51 |
14.2 |
4-16 |
242 |
125 |
13.5 |
| 32 |
11/4 |
140 |
117 |
89 |
63 |
16 |
4-16 |
280 |
160 |
19.5 |
| 40 |
11/2 |
165 |
127 |
98.6 |
73 |
17.5 |
4-16 |
286 |
160 |
28.5 |
| 50 |
2 |
203 |
152 |
120.7 |
92 |
19 |
4-19 |
368 |
200 |
18 |
| 65 |
21/2 |
216 |
178 |
139.7 |
105 |
22.4 |
4-19 |
387 |
200 |
30 |
| 80 |
3 |
241 |
190 |
152.4 |
127 |
24 |
4-19 |
411 |
250 |
41 |
| 100 |
4 |
292 |
229 |
190.5 |
157 |
24 |
4-19 |
454 |
250 |
64 |
| 125 |
5 |
356 |
254 |
216.0 |
186 |
24 |
8-22.5 |
455 |
350 |
86 |
| 150 |
6 |
406 |
279 |
241.3 |
216 |
25.4 |
8-22.5 |
541 |
350 |
113 |
| 200 |
8 |
495 |
343 |
298.5 |
270 |
28.4 |
8-22.5 |
651 |
450 |
178 |
| 250 |
10 |
622 |
406 |
362.0 |
324 |
30.2 |
12-25.4 |
800 |
450 |
270 |
| 300 |
12 |
698 |
483 |
431.8 |
381 |
32 |
12-25.4 |
1231 |
600 |
350 |
| 350 |
14 |
787 |
533 |
476.3 |
413 |
35 |
12-29 |
1450 |
600 |
460 |
| 400 |
16 |
914 |
597 |
539.8 |
470 |
36.6 |
26-29 |
1645 |
600 |
590 |
| DN |
300Lb 凸面法蘭（RF) 主要尺寸Dimensions（mm） |
重量 Weight |
| 15 |
1/2 |
152 |
95 |
66.5 |
35 |
14.2 |
4-16 |
241 |
140 |
7.7 |
| 20 |
3/4 |
178 |
117 |
82.5 |
43 |
16 |
4-19 |
241 |
140 |
11.3 |
| 25 |
1 |
203 |
123 |
89 |
51 |
17.5 |
4-19 |
283 |
160 |
16.8 |
| 32 |
11/4 |
216 |
133 |
98.5 |
63 |
19 |
4-19 |
320 |
200 |
21.2 |
| 40 |
11/2 |
229 |
155 |
114.3 |
73 |
20.6 |
4-22.5 |
322 |
200 |
32.6 |
| 50 |
2 |
267 |
165 |
127 |
92 |
22.4 |
8-19 |
399 |
200 |
25 |
| 65 |
21/2 |
292 |
190 |
149.4 |
105 |
25.4 |
8-22.5 |
438 |
250 |
30 |
| 80 |
3 |
318 |
210 |
168.1 |
127 |
28.4 |
8-22.5 |
464 |
280 |
35 |
| 100 |
4 |
356 |
254 |
200.2 |
157 |
31.8 |
8-22.5 |
565 |
350 |
56 |
| 125 |
5 |
400 |
279 |
235 |
186 |
35 |
8-22.5 |
614 |
350 |
96 |
| 150 |
6 |
444 |
318 |
269.7 |
216 |
36.6 |
12-25.4 |
717 |
400 |
120 |
| 200 |
8 |
559 |
381 |
330.2 |
270 |
41.2 |
12-25.4 |
930 |
500 |
212 |
| 250 |
10 |
622 |
444 |
387.4 |
324 |
47.8 |
16-28.5 |
1012 |
550 |
330 |
| 300 |
12 |
711 |
521 |
450.8 |
381 |
50.8 |
16-32 |
1231 |
600 |
472 |
| 350 |
14 |
762 |
584 |
514.4 |
413 |
54 |
20-32 |
1450 |
600 |
715 |
| 400 |
16 |
864 |
648 |
571.5 |
470 |
57.2 |
20-35 |
1645 |
600 |
920 |
| DN |
600Lb 凸面法蘭（RF） 主要尺寸Dimensions（mm） |
重量 Weight |
| mm |
in |
L |
D |
D1 |
D2 |
b |
n-φd |
H |
D0 |
| 15 |
1/2 |
165 |
95 |
66.5 |
35 |
14.5 |
4-16 |
285 |
100 |
7.8 |
| 20 |
3/4 |
190 |
117 |
82.5 |
43 |
16 |
4-19 |
285 |
125 |
12.5 |
| 25 |
1 |
216 |
124 |
89 |
51 |
17.5 |
4-19 |
313 |
160 |
17.5 |
| 32 |
11/4 |
229 |
133 |
98.5 |
63 |
21 |
4-19 |
328 |
160 |
23.5 |
| 40 |
11/2 |
241 |
156 |
114.3 |
73 |
22.5 |
4-22.5 |
365 |
180 |
38.5 |
| 50 |
2 |
292 |
165 |
127 |
92 |
33 |
8-19 |
444 |
200 |
35 |
| 65 |
21/2 |
330 |
190 |
149.4 |
105 |
36 |
8-22.5 |
483 |
250 |
50 |
| 80 |
3 |
356 |
210 |
168.1 |
127 |
39 |
8-22.5 |
533 |
250 |
60 |
| 100 |
4 |
432 |
273 |
216 |
157 |
45 |
8-25.4 |
622 |
350 |
110 |
| 125 |
5 |
508 |
330 |
266.7 |
186 |
52 |
8-28.5 |
750 |
350 |
200 |
| 150 |
6 |
559 |
356 |
292.1 |
216 |
55 |
12-28.5 |
800 |
450 |
230 |
| 200 |
8 |
660 |
419 |
349.3 |
270 |
63 |
12-32 |
927 |
500 |
410 |
| 250 |
10 |
787 |
508 |
431.8 |
324 |
71 |
16-35 |
1257 |
600 |
625 |
| 300 |
12 |
838 |
559 |
489 |
381 |
74 |
20-35 |
1468 |
680 |
860 |
