WCB旋启式止回阀
采用标准:
设计制造:ASME B16.34、API 6D
检验和试验:API 598、API 6D
法兰连接:ASME B16.5(NPS≤24)、API 605、ASME B16.47 A系列、MSS SP-44(NPS>24)
对焊端:ASME B16.25
承插焊端:ASME B16.11
结构长度:ASME B16.10
温压等级:ASME B16.34
止回阀特点:
拴接阀盖、旋启式和升降式阀瓣、金属阀座密封面。
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阀体和阀盖连接形式:
Class150~Class900采用拴接阀盖;Class1500~Class2500采用自压密封式阀盖。
中法兰密封垫片:
Class150 止回阀采用不锈钢石墨复合垫片;Class300止回阀采用不锈钢石墨缠绕垫片;Class600止回阀可用不锈钢石墨缠绕垫片也可采用金属环垫片;Class900止回阀可采用金属环垫片;Class1500~Class2500止回阀采用自密封金属环。
主要零件及材料
NO |
Parts Name |
Materials |
WCB/Trim1 |
WCB/Trim5 |
WCB/Trim8 |
CF8/304 |
CF8M/316 |
1 |
Body |
ASTM A216 WCB |
ASTM A216 WCB |
ASTM A216 WCB |
ASTM A351 CF8 |
ASTM A351 CF8M |
2 |
Seat ring |
A105+13Cr |
A105+STL |
A105+STL |
ASTM A351 CF8 |
ASTM A351 CF8M |
3 |
Disc |
ASTM A216 WCB+13Cr |
ASTM A216 WCB+STL |
ASTM A216 WCB+13Cr |
ASTM A351 CF8 |
ASTM A351 CF8M |
4 |
Arm |
ASTM A216 WCB |
ASTM A216 WCB |
ASTM A216 WCB |
ASTM A351 CF8 |
ASTM A351 CF8M |
5 |
Nut |
ASTM A194 2H |
ASTM A194 2H |
ASTM A194 2H |
ASTM A194 8 |
ASTM A194 8M |
6 |
Arm pin |
ASTMA182 F6a |
ASTMA182 F6a |
ASTMA182 F6a |
ASTM A182 F304 |
ASTM A182 F316 |
7 |
Yoke |
ASTM A216 WCB |
ASTM A216 WCB |
ASTM A216 WCB |
ASTM A351 CF8 |
ASTM A351 CF8M |
8 |
Bonnet nut |
ASTM A194 2H |
ASTM A194 2H |
ASTM A194 2H |
ASTM A194 8 |
ASTM A194 8M |
9 |
Bonnet bolt |
ASTM A193 B7 |
ASTM A193 B7 |
ASTM A193 B7 |
ASTM A193 B8 |
ASTM A193 B8M |
10 |
Bolt |
ASTM A193 B7 |
ASTM A193 B7 |
ASTM A193 B7 |
ASTM A193 B8 |
ASTM A193 B8M |
11 |
Gasket |
304 sheet+Graphite |
304 sheet+Graphite |
304 sheet+Graphite |
304+Graphite |
316+Graphite |
12 |
Bonnet |
ASTM A216 WCB |
ASTM A216 WCB |
ASTM A216 WCB |
ASTM A351 CF8 |
ASTM A351 CF8M |
13 |
Eye bolt |
ASTM A181 |
ASTM A181 |
ASTM A181 |
ASTM A181 |
ASTM A181 |
主要连接尺寸
压力 |
Size |
Dimensions(mm) |
NPS |
DN |
L |
B |
D |
G |
f |
K |
Z-φd |
C |
A |
RF |
BW |
150LB |
2 |
50 |
203 |
203 |
49 |
152 |
91.9 |
1.6 |
120.7 |
4-19.1 |
15.8 |
63 |
2½ |
65 |
216 |
216 |
62 |
178 |
104.6 |
1.6 |
139.7 |
4-19.1 |
17.5 |
75 |
3 |
80 |
241 |
241 |
74 |
191 |
127 |
1.6 |
152.4 |
4-19.1 |
19.1 |
91 |
4 |
100 |
292 |
292 |
100 |
229 |
157.2 |
1.6 |
190.5 |
8-19.1 |
23.9 |
117 |
6 |
150 |
356 |
356 |
150 |
279 |
215.9 |
1.6 |
241.3 |
8-22.2 |
25.4 |
172 |
8 |
200 |
495 |
495 |
201 |
343 |
269.7 |
1.6 |
298.5 |
8-22.2 |
28.4 |
223 |
10 |
250 |
622 |
622 |
252 |
406 |
323.9 |
1.6 |
362 |
12-25.4 |
30.2 |
278 |
12 |
300 |
699 |
699 |
303 |
483 |
381 |
1.6 |
431.8 |
12-25.4 |
31.8 |
329 |
14 |
350 |
787 |
787 |
334 |
533 |
412.8 |
1.6 |
476.2 |
12-28.6 |
35.1 |
362 |
16 |
400 |
864 |
864 |
385 |
597 |
469.9 |
1.6 |
539.8 |
16-28.6 |
36.6 |
413 |
18 |
450 |
978 |
978 |
436 |
635 |
533.4 |
1.6 |
577.9 |
16-31.8 |
39.6 |
464 |
20 |
500 |
978 |
978 |
487 |
699 |
584.2 |
1.6 |
635 |
20-31.8 |
42.9 |
516 |
24 |
600 |
1295 |
1295 |
589 |
813 |
692.2 |
1.6 |
749.3 |
20-34.9 |
47.8 |
619 |
26 |
650 |
1295 |
1295 |
633 |
870 |
749.3 |
1.6 |
806.5 |
24-34.9 |
68.3 |
670 |
28 |
700 |
1448 |
1448 |
684 |
927 |
800.1 |
1.6 |
863.6 |
28-34.9 |
71.4 |
721 |
30 |
750 |
1524 |
1524 |
735 |
984 |
857.3 |
1.6 |
914.4 |
28-34.9 |
74.7 |
772 |
36 |
900 |
1965 |
1965 |
874 |
1168 |
1022.4 |
1.6 |
1085.9 |
32-41.3 |
90.4 |
927 |
主要连接尺寸
压力 |
Size |
Dimensions(mm) |
NPS |
DN |
L |
B |
D |
G |
f |
K |
Z-φd |
C |
RTJ |
A |
RF |
RTJ |
BW |
Y |
P |
E |
F |
300LB |
2 |
50 |
267 |
283 |
267 |
49 |
165 |
91.9 |
1.6 |
127 |
8-19.1 |
22.4 |
108 |
82.55 |
7.92 |
11.91 |
63 |
2½ |
65 |
292 |
308 |
292 |
62 |
191 |
104.6 |
1.6 |
149.2 |
8-22.2 |
25.4 |
127 |
101.6 |
7.92 |
11.91 |
75 |
3 |
80 |
318 |
333 |
318 |
74 |
210 |
127 |
1.6 |
168.3 |
8-22.2 |
28.4 |
146 |
123.82 |
7.92 |
11.91 |
91 |
4 |
100 |
356 |
371 |
356 |
100 |
254 |
157.2 |
1.6 |
200.2 |
8-22.2 |
31.8 |
175 |
149.22 |
7.92 |
11.91 |
117 |
6 |
150 |
445 |
460 |
445 |
150 |
318 |
215.9 |
1.6 |
269.8 |
12-22.2 |
36.6 |
241 |
211.12 |
7.92 |
11.91 |
172 |
8 |
200 |
533 |
549 |
533 |
201 |
381 |
269.7 |
1.6 |
330.2 |
12-25.4 |
41.1 |
302 |
269.88 |
7.92 |
11.91 |
223 |
10 |
250 |
622 |
638 |
622 |
252 |
445 |
323.9 |
1.6 |
387.4 |
16-28.6 |
47.8 |
356 |
323.85 |
7.92 |
11.91 |
278 |
12 |
300 |
711 |
727 |
711 |
303 |
521 |
381 |
1.6 |
450.9 |
16-31.8 |
50.8 |
413 |
381 |
7.92 |
11.91 |
329 |
14 |
350 |
838 |
854 |
838 |
334 |
584 |
412.8 |
1.6 |
514.4 |
20-31.8 |
53.8 |
457 |
419.1 |
7.92 |
11.91 |
362 |
16 |
400 |
864 |
879 |
864 |
385 |
648 |
469.9 |
1.6 |
571.5 |
20-34.9 |
57.2 |
508 |
469.9 |
7.92 |
11.91 |
413 |
18 |
450 |
978 |
994 |
978 |
436 |
711 |
533.4 |
1.6 |
628.7 |
24-34.9 |
60.5 |
575 |
533.4 |
7.92 |
11.91 |
464 |
20 |
500 |
1016 |
1035 |
1016 |
487 |
775 |
584.2 |
1.6 |
685.8 |
24-34.9 |
63.5 |
635 |
584.2 |
9.52 |
13.49 |
516 |
24 |
600 |
1346 |
1368 |
1346 |
589 |
914 |
692.2 |
1.6 |
812.8 |
24-41.3 |
69.9 |
749 |
692.15 |
11.13 |
16.66 |
619 |
26 |
650 |
1346 |
1372 |
1346 |
633 |
972 |
749.3 |
1.6 |
876.3 |
28-44.5 |
79.2 |
809 |
749.3 |
12.7 |
19.84 |
670 |
28 |
700 |
1499 |
1524 |
1499 |
684 |
1035 |
800.1 |
1.6 |
939.8 |
28-44.5 |
85.9 |
860.6 |
800.1 |
12.7 |
19.84 |
721 |
30 |
750 |
1594 |
1619 |
1594 |
735 |
1092 |
857.3 |
1.6 |
997 |
28-47.6 |
91.9 |
917.4 |
857.25 |
12.7 |
19.84 |
772 |
36 |
900 |
2083 |
2112 |
2083 |
874 |
1270 |
1022.4 |
1.6 |
1168.4 |
32-54 |
104.6 |
1092.2 |
1022.35 |
14.27 |
23.01 |
927 |
压力 |
Size |
Dimensions(mm) |
NPS |
DN |
L |
B |
D |
G |
f |
K |
Z-φd |
C |
RTJ |
A |
RF |
RTJ |
BW |
Y |
P |
E |
F |
600LB |
2 |
50 |
292 |
295 |
292 |
49 |
165 |
91.9 |
6.4 |
127 |
8-19.1 |
25.4 |
108 |
82.55 |
7.92 |
11.91 |
63 |
2½ |
65 |
330 |
333 |
330 |
62 |
191 |
104.6 |
6.4 |
149.2 |
8-22.2 |
28.4 |
127 |
101.6 |
7.92 |
11.91 |
75 |
3 |
80 |
356 |
359 |
356 |
74 |
210 |
127 |
6.4 |
168.3 |
8-22.2 |
31.8 |
146 |
123.82 |
7.92 |
11.91 |
91 |
4 |
100 |
432 |
435 |
432 |
100 |
273 |
157.2 |
6.4 |
215.9 |
8-25.4 |
38.1 |
175 |
149.22 |
7.92 |
11.91 |
117 |
6 |
150 |
559 |
562 |
559 |
150 |
356 |
215.9 |
6.4 |
292.1 |
12-28.6 |
47.8 |
241 |
211.12 |
7.92 |
11.91 |
172 |
8 |
200 |
660 |
664 |
660 |
201 |
419 |
269.7 |
6.4 |
349.2 |
12-31.8 |
55.6 |
302 |
269.88 |
7.92 |
11.91 |
223 |
10 |
250 |
787 |
791 |
787 |
252 |
508 |
323.9 |
6.4 |
431.8 |
16-34.9 |
63.5 |
356 |
323.85 |
7.92 |
11.91 |
278 |
12 |
300 |
838 |
841 |
838 |
303 |
559 |
381 |
6.4 |
489 |
20-34.9 |
66.5 |
413 |
381 |
7.92 |
11.91 |
329 |
14 |
350 |
889 |
892 |
889 |
334 |
603 |
412.8 |
6.4 |
527.1 |
20-38.1 |
69.9 |
457 |
419.1 |
7.92 |
11.91 |
362 |
16 |
400 |
991 |
994 |
991 |
385 |
686 |
469.9 |
6.4 |
603.2 |
20-41.3 |
76.2 |
508 |
469.9 |
7.92 |
11.91 |
413 |
18 |
450 |
1092 |
1095 |
1092 |
436 |
743 |
533.4 |
6.4 |
654.1 |
20-44.5 |
82.6 |
575 |
533.4 |
7.92 |
11.91 |
464 |
20 |
500 |
1194 |
1200 |
1194 |
487 |
813 |
584.2 |
6.4 |
723.9 |
24-44.5 |
88.9 |
635 |
584.2 |
9.52 |
13.49 |
516 |
24 |
600 |
1397 |
1407 |
1397 |
589 |
940 |
692.2 |
6.4 |
838.2 |
24-50.8 |
101.6 |
749 |
692.15 |
11.13 |
16.66 |
619 |
26 |
650 |
1448 |
1461 |
1448 |
633 |
1016 |
749.3 |
6.4 |
914.4 |
28-50.8 |
108 |
809.8 |
749.3 |
12.7 |
19.84 |
670 |
28 |
700 |
1600 |
1613 |
1600 |
684 |
1073 |
800.1 |
6.4 |
965.2 |
28-54 |
111.3 |
860.6 |
800.1 |
12.7 |
19.84 |
721 |
30 |
750 |
1651 |
1664 |
1651 |
735 |
1130 |
857.3 |
6.4 |
1022.4 |
28-54 |
114.3 |
917.4 |
857.25 |
12.7 |
19.84 |
772 |
36 |
900 |
2083 |
2099 |
2083 |
874 |
1314 |
1022.4 |
6.4 |
1193.8 |
28-66.7 |
124 |
1092.2 |
1022.35 |
14.27 |
23.01 |
927 |
压力 |
Size |
Dimensions(mm) |
NPS |
DN |
L |
B |
D |
G |
f |
K |
Z-φd |
C |
RTJ |
A |
RF |
RTJ |
BW |
Y |
P |
E |
F |
900LB |
2 |
50 |
368 |
371 |
368 |
49 |
216 |
91.9 |
6.4 |
165.1 |
8-25.4 |
38.1 |
124 |
95.25 |
7.92 |
11.91 |
63 |
2½ |
65 |
419 |
422 |
419 |
62 |
244 |
104.6 |
6.4 |
190.5 |
8-28.6 |
41.1 |
137 |
107.95 |
7.92 |
11.91 |
75 |
3 |
80 |
381 |
384 |
381 |
74 |
241 |
127 |
6.4 |
190.5 |
8-25.4 |
38.1 |
156 |
123.82 |
7.92 |
11.91 |
91 |
4 |
100 |
457 |
460 |
457 |
100 |
292 |
157.2 |
6.4 |
235 |
8-31.8 |
44.5 |
181 |
149.22 |
7.92 |
11.91 |
117 |
6 |
150 |
610 |
613 |
610 |
150 |
381 |
215.9 |
6.4 |
317.5 |
12-31.8 |
55.6 |
241 |
211.12 |
7.92 |
11.91 |
172 |
8 |
200 |
737 |
740 |
737 |
201 |
470 |
269.7 |
6.4 |
393.7 |
12-38.1 |
63.5 |
308 |
269.88 |
7.92 |
11.91 |
223 |
10 |
250 |
838 |
841 |
838 |
252 |
546 |
323.9 |
6.4 |
469.7 |
16-38.1 |
69.9 |
362 |
323.85 |
7.92 |
11.91 |
278 |
12 |
300 |
965 |
968 |
965 |
303 |
610 |
381 |
6.4 |
533.4 |
20-38.1 |
79.2 |
419 |
381 |
7.92 |
11.91 |
329 |
14 |
350 |
1029 |
1038 |
1029 |
322 |
641 |
412.8 |
6.4 |
558.8 |
20-41.3 |
85.9 |
467 |
419.1 |
11.13 |
16.66 |
362 |
16 |
400 |
1130 |
1140 |
1130 |
373 |
705 |
469.9 |
6.4 |
616 |
20-44.5 |
88.9 |
524 |
469.9 |
11.13 |
16.66 |
413 |
18 |
450 |
1219 |
1232 |
1219 |
423 |
787 |
533.4 |
6.4 |
685.8 |
20-50.8 |
101.6 |
594 |
533.4 |
12.7 |
19.84 |
464 |
20 |
500 |
1321 |
1334 |
1321 |
471 |
857 |
584.2 |
6.4 |
749.3 |
20-54 |
108 |
648 |
584.2 |
12.7 |
19.84 |
516 |
24 |
600 |
1549 |
1568 |
1549 |
570 |
1041 |
692.2 |
6.4 |
901.7 |
20-66.7 |
139.7 |
772 |
692.15 |
15.88 |
26.97 |
619
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