ANSI Cast steel swing check valve which its opening &closing part itself opens by the flow force of medium to prevent the medium from flowing reversal,is called check valve.The check valve belongs to automatic valve.is mainly applied on the pipeline with single direction flow and only allows the medium flow at direction,which avoids the occurrence of accident.
The check valve is divided into lift check valve,swing check valve and butterfly type check valve by the structure.The lift type check valve is divided into vertical and horizontal.the swing check valve is divided into single-disc,double-disc,The butterfly type check valve is straight type.The above few check valves may be divided into screwed connection,flange connection and welding connection by its connection way.
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ANSI Cast steel swing check valve which its opening &closing part itself opens by the flow force of medium to prevent the medium from flowing reversal,is called check valve.The check valve belongs to automatic valve.is mainly applied on the pipeline with single direction flow and only allows the medium flow at direction,which avoids the occurrence of accident.
The check valve is divided into lift check valve,swing check valve and butterfly type check valve by the structure.The lift type check valve is divided into vertical and horizontal.the swing check valve is divided into single-disc,double-disc,The butterfly type check valve is straight type.The above few check valves may be divided into screwed connection,flange connection and welding connection by its connection way.
ANSI swing check valve main features
Bolted cover, swing type disc
Threaded or welded seat ring
ASTM A216 WCB,A217 WC6,A351CF8,A351CF8M,
A351 CF3,A351 CF3M,A351 CN7M
Standards compliance
Design and Manufacture: ANSI B16.34,API 6D,BS1868
Face to face(end to end): ANSI B16.10,API 6D
Flanged ends: ASME B16.5,ASME B16.47
Test and inspection: API598,API6D
ANSI swing check valve Materials list
|
No |
Part Name |
Carbon steel |
l1/4cr-1/2mo |
Carbon Steel |
1 |
Body |
A216-WCB |
A217-WC6 |
A352-LCB |
|
2 |
Cover |
A216-WCB |
A217-WC6 |
A352-LCB |
|
3 |
Disc |
A105+13Cr |
A182-F11+HF |
A350-LF2+CR13 |
|
4 |
Hinge |
A216-WCB |
A217-WC6 |
A352-LCB |
|
5 |
Fork Part |
A216-WCB |
A217-WC6 |
A352-LCB |
|
6 |
Seat Ring |
A105+CR13 |
A182-F11+HF |
A350-LF2+CR13 |
|
7 |
Hinge Pin |
A276-420 |
A276-304 |
A276-420 |
|
8 |
Disc Washer |
Carbon Steel |
A276-304 |
Carbon Steel |
|
9 |
Disc Nut |
Carbon Steel |
A194-7 |
Carbon Steel |
|
10 |
Disc Nut Pin |
Carbon Steel |
A276-420 |
Carbon Steel |
|
11 |
Gasket |
Spiral Wound(Graphite+304) |
|||
12 |
Stud |
A193-B7 |
A193-B16 |
A320-L7 |
|
13 |
Stud Nut |
A194-2H |
A194-7 |
A194-4 |
|
14 |
Eyebolt(2) |
Carbon steel |
ANSI swing check valve dimension and weight(150lb)
Size |
inch |
2 |
2-1/2 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
24 |
L,L1-RF.BW |
mm |
203 |
216 |
241 |
292 |
330 |
356 |
495 |
622 |
699 |
787 |
864 |
978 |
978 |
1295 |
L2-RTJ |
mm |
216 |
229 |
254 |
305 |
343 |
368 |
508 |
635 |
717 |
800 |
876 |
991 |
991 |
1308 |
H |
mm |
155 |
190 |
200 |
225 |
245 |
260 |
350 |
390 |
410 |
435 |
530 |
570 |
625 |
675 |
WT. |
Kg |
16 |
25 |
34 |
46 |
75 |
89 |
120 |
220 |
337 |
471 |
575 |
788 |
916 |
1275 |
ANSI swing check valve dimension and weight(300lb)
Size |
inch |
2 |
2-1/2 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
24 |
L,L1-RF.BW |
mm |
267 |
292 |
318 |
355 |
400 |
440 |
533 |
622 |
711 |
838 |
863 |
977 |
1016 |
1346 |
L2-RTJ |
mm |
283 |
308 |
333 |
371 |
416 |
460 |
549 |
638 |
727 |
854 |
879 |
994 |
1036 |
1368 |
H |
mm |
180 |
200 |
225 |
240 |
275 |
310 |
370 |
410 |
440 |
500 |
545 |
605 |
675 |
785 |
WT. |
Kg |
26 |
32 |
53 |
73 |
110 |
157 |
234 |
384 |
450 |
650 |
800 |
970 |
1350 |
2210 |
ANSI swing check valve dimension and weight(600lb)
Size |
inch |
2 |
2-1/2 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
L,L1-RF.BW |
mm |
292 |
330 |
356 |
432 |
508 |
559 |
660 |
787 |
838 |
889 |
991 |
1092 |
1194 |
L2-RTJ |
mm |
295 |
333 |
359 |
435 |
511 |
562 |
664 |
791 |
841 |
892 |
994 |
1095 |
1200 |
H |
mm |
190 |
215 |
250 |
260 |
310 |
350 |
420 |
490 |
525 |
580 |
630 |
690 |
810 |
WT. |
Kg |
33 |
49 |
62 |
95 |
120 |
195 |
360 |
465 |
725 |
875 |
1075 |
1475 |
1900 |
ANSI swing check valve dimension and weight(900lb)
Size |
inch |
2 |
2-1/2 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
L,L1-RF.BW |
mm |
368 |
419 |
381 |
457 |
559 |
610 |
737 |
838 |
965 |
1029 |
L2-RTJ |
mm |
371 |
422 |
384 |
460 |
562 |
613 |
740 |
841 |
968 |
1038 |
H |
mm |
195 |
235 |
260 |
275 |
320 |
370 |
435 |
520 |
530 |
580 |
WT. |
Kg |
55 |
70 |
90 |
135 |
165 |
295 |
525 |
900 |
1075 |
1225 |
Note:Gear operation suggested. Dimensions on request. Abbreviation: SP-Shot pattern
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