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对夹双瓣旋启式止回阀的简单介绍
对夹双瓣旋启式止回阀(To clamp double valve swing check valve),众多阀门当中的一种,常见产品材料为:WCB、CF3、CF8、CF3M、CF8M;常见产品规格为:DN50~1200、PN10~420。
对夹双瓣旋启式止回阀的详细信息
压力级 |
口径 |
尺寸(mm) |
重量 (Kg) |
配管法兰(供参考) |
NPS |
DN |
L |
D |
D1 |
D2 |
D3 |
D4 |
P |
螺栓 数量 |
螺孔直径d1 |
n |
螺栓 数量 |
螺栓直径d |
螺栓长度L1 |
RF |
RJ |
in |
mm |
in |
mm |
RF |
RJ |
Class150 PN2.0MPa |
2 |
50 |
60 |
152 |
120.5 |
92 |
102 |
51 |
56 |
82.55 |
4 |
3/4 |
19 |
1.6 |
7 |
4 |
5/8 |
M16 |
140 |
155 |
2 1/2 |
65 |
67 |
178 |
139.5 |
105 |
121 |
65 |
73 |
101.6 |
4 |
3/4 |
19 |
1.6 |
9 |
4 |
5/8 |
M16 |
150 |
165 |
3 |
80 |
73 |
190 |
152.5 |
127 |
133 |
80 |
88 |
114.3 |
4 |
3/4 |
19 |
1.6 |
12 |
4 |
5/8 |
M16 |
160 |
175 |
4 |
100 |
73 |
229 |
190.5 |
157 |
171 |
102 |
108 |
149.225 |
8 |
3/4 |
19 |
1.6 |
19 |
8 |
5/8 |
M16 |
170 |
185 |
5 |
125 |
86 |
254 |
216 |
186 |
194 |
127 |
132 |
171.45 |
8 |
7/8 |
22 |
1.6 |
25 |
8 |
3/4 |
M20 |
190 |
205 |
6 |
150 |
98 |
279 |
241.5 |
216 |
219 |
152 |
160 |
193.675 |
8 |
7/8 |
22 |
1.6 |
32 |
8 |
3/4 |
M20 |
205 |
220 |
8 |
200 |
127 |
343 |
298.5 |
270 |
273 |
203 |
210 |
247.65 |
8 |
7/8 |
22 |
1.6 |
63 |
8 |
3/4 |
M20 |
240 |
255 |
10 |
250 |
146 |
406 |
362 |
324 |
330 |
254 |
266 |
304.801 |
12 |
1 |
25 |
1.6 |
93 |
12 |
7/8 |
M24 |
270 |
285 |
12 |
300 |
181 |
483 |
432 |
381 |
406 |
305 |
310 |
381.001 |
12 |
1 |
25 |
1.6 |
170 |
12 |
7/8 |
M24 |
310 |
325 |
14 |
350 |
184 |
533 |
476 |
413 |
425 |
350 |
355 |
396.876 |
12 |
1 1/8 |
29 |
1.6 |
199 |
12 |
1 |
M27 |
325 |
340 |
16 |
400 |
191 |
597 |
540 |
470 |
483 |
400 |
405 |
454.026 |
16 |
1 1/8 |
29 |
1.6 |
246 |
16 |
1 |
M27 |
340 |
355 |
18 |
450 |
203 |
635 |
578 |
533 |
546 |
450 |
455 |
517.526 |
16 |
1 1/4 |
32 |
1.6 |
290 |
16 |
1 1/8 |
M30 |
365 |
380 |
20 |
500 |
219 |
699 |
635 |
584 |
597 |
500 |
505 |
558.801 |
20 |
1 1/4 |
32 |
1.6 |
348 |
20 |
1 1/8 |
M30 |
385 |
400 |
24 |
600 |
222 |
813 |
749.5 |
692 |
711 |
600 |
605 |
673.101 |
20 |
1 1/4 |
35 |
1.6 |
396 |
20 |
1 1/4 |
M33 |
405 |
420 |
28 |
700 |
305 |
837 |
795.5 |
762 |
_ |
700 |
700 |
_ |
40 |
7/8 |
22 |
1.6 |
1270 |
40 |
3/4 |
M20 |
455 |
_ |
30 |
750 |
305 |
887 |
846 |
813 |
_ |
746 |
750 |
_ |
44 |
7/8 |
22 |
1.6 |
1987 |
44 |
3/4 |
M20 |
455 |
_ |
32 |
800 |
305 |
941 |
900 |
864 |
_ |
796 |
800 |
_ |
48 |
7/8 |
22 |
1.6 |
2925 |
48 |
3/4 |
M20 |
460 |
_ |
36 |
900 |
368 |
1057 |
1009.5 |
972 |
_ |
898 |
910 |
_ |
44 |
1 |
25 |
1.6 |
1430 |
44 |
7/8 |
M24 |
540 |
_ |
42 |
1050 |
432 |
1226 |
1171.5 |
1130 |
_ |
1050 |
1055 |
_ |
48 |
1 1/8 |
29 |
1.6 |
2377 |
48 |
1 |
M27 |
625 |
_ |
48 |
1200 |
524 |
1392 |
1335 |
1289 |
_ |
1200 |
1205 |
_ |
44 |
1 1/4 |
32 |
1.6 |
4174 |
44 |
1 1/8 |
M30 |
740 |
_ |
Class300 PN5.0MPa |
2 |
50 |
60 |
165 |
127 |
92 |
108 |
51 |
58 |
82.55 |
8 |
3/4 |
19 |
1.6 |
8 |
8 |
5/8 |
M16 |
155 |
175 |
2 1/2 |
65 |
67 |
190 |
149 |
105 |
127 |
65 |
73 |
101.6 |
8 |
7/8 |
22 |
1.6 |
10 |
8 |
3/4 |
M20 |
175 |
195 |
3 |
80 |
73 |
210 |
168.5 |
127 |
146 |
80 |
88 |
123.825 |
8 |
7/8 |
22 |
1.6 |
14 |
8 |
3/4 |
M20 |
190 |
210 |
4 |
100 |
73 |
254 |
200 |
157 |
175 |
102 |
108 |
149.225 |
8 |
7/8 |
22 |
1.6 |
23 |
8 |
3/4 |
M20 |
195 |
215 |
5 |
125 |
86 |
279 |
235 |
186 |
210 |
127 |
132 |
171.45 |
8 |
7/8 |
22 |
1.6 |
41 |
8 |
3/4 |
M20 |
215 |
235 |
6 |
150 |
98 |
318 |
270 |
216 |
241 |
152 |
160 |
211.138 |
12 |
7/8 |
22 |
1.6 |
45 |
12 |
3/4 |
M20 |
230 |
250 |
8 |
200 |
127 |
381 |
330 |
270 |
302 |
203 |
210 |
269.876 |
12 |
1 |
25 |
1.6 |
78 |
12 |
7/8 |
M24 |
280 |
300 |
10 |
250 |
146 |
445 |
387.5 |
324 |
356 |
254 |
266 |
323.851 |
16 |
1 1/8 |
29 |
1.6 |
115 |
16 |
1 |
M27 |
315 |
335 |
12 |
300 |
181 |
521 |
451 |
381 |
413 |
305 |
310 |
381.001 |
16 |
1 1/4 |
32 |
1.6 |
242 |
16 |
1 1/8 |
M30 |
365 |
385 |
14 |
350 |
222 |
584 |
514.5 |
413 |
457 |
350 |
355 |
419.101 |
20 |
1 1/4 |
32 |
1.6 |
360 |
20 |
1 1/8 |
M30 |
410 |
430 |
16 |
400 |
232 |
648 |
571.5 |
470 |
508 |
400 |
405 |
469.901 |
20 |
1 3/8 |
35 |
1.6 |
489 |
20 |
1 1/4 |
M33 |
435 |
455 |
18 |
450 |
264 |
711 |
628.5 |
533 |
575 |
450 |
455 |
533.401 |
24 |
1 3/8 |
35 |
1.6 |
558 |
24 |
1 1/4 |
M33 |
475 |
495 |
20 |
500 |
292 |
775 |
686 |
584 |
635 |
500 |
505 |
584.201 |
24 |
1 3/8 |
35 |
1.6 |
766 |
24 |
1 1/4 |
M33 |
510 |
535 |
24 |
600 |
318 |
914 |
813 |
692 |
749 |
600 |
608 |
692.151 |
24 |
1 5/8 |
41 |
1.6 |
1190 |
24 |
1 1/2 |
M39 |
560 |
585 |
30 |
750 |
368 |
991 |
921 |
845 |
_ |
735 |
740 |
_ |
36 |
1 1/2 |
38 |
1.6 |
1996 |
36 |
1 3/8 |
M36 |
650 |
_ |
36 |
900 |
483 |
1172 |
1089 |
1010 |
_ |
873 |
880 |
_ |
32 |
1 3/4 |
45 |
1.6 |
2660 |
32 |
1 5/8 |
M42 |
800 |
_ |
42 |
1050 |
568 |
1334 |
1245 |
1168 |
_ |
1035 |
1045 |
_ |
36 |
1 7/8 |
48 |
1.6 |
5515 |
36 |
1 3/4 |
M45 |
920 |
_ |
48 |
1200 |
629 |
1511 |
1416 |
1327 |
_ |
1179 |
1190 |
_ |
40 |
2 |
51 |
1.6 |
6239 |
40 |
1 7/8 |
M48 |
1010 |
_ |
压力级 |
口径 |
尺寸(mm) |
重量 (Kg) |
配管法兰(供参考) |
NPS |
DN |
L |
D |
D1 |
D2 |
D3 |
D4 |
P |
螺栓 数量 |
螺孔直径d |
n |
螺栓 数量 |
螺栓直径d |
螺栓长度L1 |
RF |
RJ |
in |
mm |
in |
mm |
RF |
RJ |
Class600 PN11.0MPa |
2 |
50 |
60 |
165 |
127 |
92 |
108 |
51 |
58 |
82.55 |
8 |
3/4 |
19 |
6.4 |
8 |
8 |
5/8 |
M16 |
175 |
180 |
2 1/2 |
65 |
67 |
190 |
149 |
100 |
127 |
65 |
73 |
101.6 |
8 |
7/8 |
22 |
6.4 |
10 |
8 |
3/4 |
M20 |
195 |
200 |
3 |
80 |
73 |
210 |
168 |
127 |
146 |
80 |
88 |
123.825 |
8 |
7/8 |
22 |
6.4 |
14 |
8 |
3/4 |
M20 |
210 |
215 |
4 |
100 |
79 |
273 |
216 |
157 |
175 |
102 |
108 |
149.225 |
8 |
1 |
25 |
6.4 |
30 |
8 |
7/8 |
M24 |
235 |
240 |
5 |
125 |
105 |
330 |
266.5 |
186 |
210 |
127 |
136 |
180.975 |
8 |
1 1/8 |
29 |
6.4 |
58 |
8 |
1 |
M27 |
280 |
285 |
6 |
150 |
136 |
356 |
292 |
216 |
241 |
152 |
162 |
211.138 |
12 |
1 1/8 |
29 |
6.4 |
81 |
12 |
1 |
M27 |
320 |
325 |
8 |
200 |
165 |
419 |
349 |
270 |
302 |
200 |
212 |
269.876 |
12 |
1 1/4 |
32 |
6.4 |
134 |
12 |
1 1/8 |
M30 |
370 |
375 |
10 |
250 |
213 |
508 |
432 |
324 |
356 |
250 |
266 |
323.851 |
16 |
1 3/8 |
35 |
6.4 |
234 |
16 |
1 1/4 |
M33 |
440 |
445 |
12 |
300 |
229 |
559 |
489 |
381 |
413 |
305 |
312 |
381.001 |
20 |
1 3/8 |
35 |
6.4 |
304 |
20 |
1 1/4 |
M33 |
460 |
465 |
14 |
350 |
273 |
603 |
527 |
413 |
457 |
337 |
355 |
419.101 |
20 |
1 1/2 |
38 |
6.4 |
490 |
20 |
1 3/8 |
M36 |
520 |
525 |
16 |
400 |
305 |
686 |
603 |
470 |
508 |
387 |
400 |
469.901 |
20 |
1 5/8 |
41 |
6.4 |
680 |
20 |
1 1/2 |
M39 |
575 |
580 |
18 |
450 |
362 |
743 |
654 |
533 |
575 |
438 |
450 |
533.401 |
20 |
1 3/4 |
44 |
6.4 |
978 |
20 |
1 5/8 |
M42 |
650 |
655 |
20 |
500 |
368 |
813 |
724 |
584 |
635 |
489 |
500 |
584.201 |
24 |
1 3/4 |
44 |
6.4 |
1297 |
24 |
1 5/8 |
M42 |
670 |
680 |
24 |
600 |
438 |
940 |
838 |
692 |
749 |
591 |
600 |
692.151 |
24 |
2 |
52 |
6.4 |
1554 |
24 |
1 7/8 |
M48 |
780 |
790 |
Class900 PN15.0MPa |
2 |
50 |
70 |
216 |
165.1 |
92 |
124 |
51 |
58 |
95.25 |
8 |
1 |
26 |
6.4 |
16 |
8 |
7/8 |
M24 |
225 |
230 |
2 1/2 |
65 |
83 |
244 |
190.5 |
105 |
137 |
65 |
73 |
107.95 |
8 |
1 1/8 |
29 |
6.4 |
22 |
8 |
1 |
M27 |
250 |
255 |
3 |
80 |
83 |
241 |
190.5 |
127 |
156 |
80 |
90 |
123.82 |
8 |
1 |
26 |
6.4 |
26 |
8 |
7/8 |
M24 |
240 |
245 |
4 |
100 |
102 |
292 |
234.9 |
157 |
181 |
102 |
108 |
149.22 |
8 |
1 1/4 |
32 |
6.4 |
45 |
8 |
1 1/8 |
M30 |
285 |
290 |
5 |
125 |
110 |
349 |
279.4 |
186 |
216 |
127 |
136 |
180.98 |
8 |
1 3/8 |
35 |
6.4 |
81 |
8 |
1 1/4 |
M33 |
310 |
315 |
6 |
150 |
159 |
381 |
317.5 |
216 |
241 |
150 |
162 |
211.12 |
12 |
1 1/4 |
32 |
6.4 |
115 |
12 |
1 1/8 |
M30 |
365 |
370 |
8 |
200 |
206 |
470 |
393.7 |
270 |
308 |
200 |
212 |
269.88 |
12 |
1 1/2 |
39 |
6.4 |
217 |
12 |
1 3/8 |
M36 |
440 |
445 |
10 |
250 |
241 |
545 |
469.9 |
324 |
362 |
250 |
266 |
323.85 |
16 |
1 1/2 |
39 |
6.4 |
330 |
16 |
1 3/8 |
M36 |
490 |
495 |
12 |
300 |
292 |
610 |
533.4 |
381 |
419 |
305 |
312 |
381 |
20 |
1 1/2 |
39 |
6.4 |
509 |
20 |
1 3/8 |
M36 |
560 |
565 |
14 |
350 |
356 |
640 |
558.8 |
413 |
467 |
337 |
355 |
419.1 |
20 |
1 5/8 |
42 |
6.4 |
765 |
20 |
1 1/2 |
M39 |
645 |
655 |
16 |
400 |
384 |
705 |
615.9 |
470 |
524 |
387 |
400 |
469.9 |
20 |
1 3/4 |
45 |
6.4 |
890 |
20 |
1 5/8 |
M42 |
685 |
695 |
18 |
450 |
451 |
785 |
685.8 |
533 |
594 |
438 |
450 |
533.4 |
20 |
2 |
51 |
6.4 |
1450 |
20 |
1 7/8 |
M48 |
790 |
805 |
20 |
500 |
451 |
855 |
749.3 |
584 |
648 |
487 |
496 |
584.2 |
20 |
2 1/8 |
54 |
6.4 |
1960 |
20 |
2 |
M52 |
810 |
825 |
24 |
600 |
495 |
1040 |
901.7 |
692 |
772 |
591 |
600 |
692.15 |
20 |
2 5/8 |
67 |
6.4 |
2351 |
20 |
2 1/2 |
M64 |
945 |
965 |
Class1500 PN26.0MPa |
2 |
50 |
70 |
216 |
165.1 |
92 |
124 |
51 |
58 |
95.25 |
8 |
1 |
26 |
6.4 |
16 |
8 |
7/8 |
M24 |
225 |
230 |
2 1/2 |
65 |
83 |
244 |
190.5 |
105 |
137 |
65 |
73 |
107.95 |
8 |
1 1/8 |
29 |
6.4 |
22 |
8 |
1 |
M27 |
250 |
255 |
3 |
80 |
83 |
267 |
203.2 |
127 |
168 |
80 |
90 |
136.52 |
8 |
1 1/4 |
32 |
6.4 |
29 |
8 |
1 1/8 |
M30 |
270 |
275 |
4 |
100 |
102 |
311 |
241.3 |
157 |
194 |
102 |
108 |
161.92 |
8 |
1 3/8 |
35 |
6.4 |
51 |
8 |
1 1/4 |
M33 |
310 |
315 |
5 |
125 |
110 |
375 |
292.1 |
186 |
229 |
127 |
136 |
193.68 |
8 |
1 5/8 |
42 |
6.4 |
85 |
8 |
1 1/2 |
M39 |
370 |
375 |
6 |
150 |
159 |
394 |
317.5 |
216 |
248 |
150 |
162 |
211.12 |
12 |
1 1/2 |
39 |
6.4 |
119 |
12 |
1 3/8 |
M36 |
430 |
440 |
8 |
200 |
206 |
483 |
393.7 |
270 |
318 |
200 |
212 |
269.88 |
12 |
1 3/4 |
45 |
6.4 |
283 |
12 |
1 5/8 |
M42 |
510 |
520 |
10 |
250 |
248 |
585 |
482.6 |
324 |
371 |
254 |
266 |
323.85 |
12 |
2 |
51 |
6.4 |
361 |
12 |
1 7/8 |
M48 |
600 |
610 |
12 |
300 |
305 |
675 |
571.5 |
381 |
438 |
305 |
312 |
381 |
16 |
2 1/8 |
54 |
6.4 |
637 |
16 |
2 |
M52 |
695 |
715 |
14 |
350 |
356 |
750 |
635 |
413 |
489 |
337 |
355 |
419.1 |
16 |
2 3/8 |
61 |
6.4 |
1097 |
16 |
2 1/4 |
M56 |
775 |
800 |
16 |
400 |
384 |
825 |
704.8 |
470 |
546 |
387 |
400 |
469.9 |
16 |
2 5/8 |
67 |
6.4 |
1152 |
16 |
2 1/2 |
M64 |
850 |
880 |
压力级 |
口径 |
尺寸(mm) |
重量 (Kg) |
配管法兰(供参考) |
NPS |
DN |
L |
D |
D1 |
D2 |
D3 |
D4 |
P |
螺栓 数量 |
螺孔直径d |
n |
螺栓 数量 |
螺栓直径d |
螺栓长度L1 |
RF |
RJ |
in |
mm |
in |
mm |
RF |
RJ |
Class2500 PN42.0MPa |
2 |
50 |
70 |
235 |
171.4 |
92 |
133 |
42 |
48 |
101.6 |
8 |
1 1/8 |
29 |
6.4 |
19 |
8 |
1 |
M27 |
255 |
260 |
2 1/2 |
65 |
83 |
267 |
196.8 |
105 |
149 |
52 |
58 |
111.12 |
8 |
1 1/4 |
32 |
6.4 |
31 |
8 |
1 1/8 |
M30 |
290 |
305 |
3 |
80 |
86 |
305 |
228.6 |
127 |
168 |
62 |
68 |
127 |
8 |
1 3/8 |
35 |
6.4 |
38 |
8 |
1 1/4 |
M33 |
320 |
330 |
4 |
100 |
105 |
356 |
273 |
157 |
203 |
88 |
94 |
157.18 |
8 |
1 5/8 |
42 |
6.4 |
69 |
8 |
1 1/2 |
M39 |
370 |
380 |
5 |
125 |
110 |
419 |
323.8 |
186 |
241 |
100 |
106 |
190.5 |
8 |
1 7/8 |
48 |
6.4 |
135 |
8 |
1 3/4 |
M45 |
420 |
435 |
6 |
150 |
159 |
483 |
368.3 |
216 |
279 |
150 |
162 |
228.6 |
8 |
2 1/8 |
54 |
6.4 |
184 |
8 |
2 |
M52 |
515 |
530 |
8 |
200 |
206 |
550 |
438.1 |
270 |
340 |
180 |
186 |
279.4 |
12 |
2 1/8 |
54 |
6.4 |
380 |
12 |
2 |
M52 |
600 |
620 |
10 |
250 |
254 |
675 |
539.7 |
324 |
425 |
225 |
232 |
342.9 |
12 |
2 5/8 |
67 |
6.4 |
489 |
12 |
2 1/2 |
M64 |
750 |
775 |
12 |
300 |
305 |
760 |
619.1 |
381 |
495 |
266 |
272 |
406.4 |
12 |
2 7/8 |
74 |
6.4 |
747 |
12 |
2 3/4 |
M70 |
855 |
885 | 注:1.RF表示突面法兰,MFM表示凹凸法兰,RJ表示环连接面法兰 2.不同的法兰标准其尺寸有一定的差异,故配管法兰的
螺栓直径为 d
1、为了防止介质逆流,在设备、装置和管道上都应安装止回阀;
2、止回阀一般适用于清净介质,不宜用于含有固体颗粒和粘度较大的介质;
3、一般在公称通经50mm的水平管道上都应选用立式升降止回阀;
|