The cast steel swing check valve adopts an internal swing arm structure, where the disc automatically opens and closes via the force generated by medium flow, effectively preventing reverse flow of fluids such as water, steam, oil, and acidic media.
Cast Steel Swing Check Valve Specifications
Material & Construction
Body material: WCB cast steel.
Sealing surface: Hardfaced with alloy steel or Stellite cobalt-based hard alloy, ensuring resistance to erosion from particulate-laden media.
Connection design: Spherical structure allows 360° positional compensation of the disc, enhancing sealing reliability.
Performance Advantages
Compact design with low fluid resistance.
Bidirectional sealing capability (depending on design).
Testing & Standards
Manufactured and tested per API 598, API 6D, and JB/T 9092 standards.
Cast Steel Swing Check Valve Table
|
Class 150 |
- |
||||||||||||||||||
|
DN(mm) |
15 |
25 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
700 |
750 |
|
NPS (in) |
1/2 |
1 |
1-1/2 |
2 |
2-1/2 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
24 |
28 |
30 |
|
L(RF-BW) |
108 |
127 |
165 |
203 |
216 |
241 |
292 |
330 |
356 |
495 |
622 |
699 |
787 |
864 |
978 |
978 |
1295 |
1448 |
1524 |
|
4.3 |
5 |
6.5 |
8 |
8.5 |
9.5 |
11.5 |
13 |
14 |
19.5 |
24.5 |
27.5 |
31 |
34 |
38.5 |
38.5 |
51 |
57 |
60 |
- |
|
L(RTJ) |
119 |
140 |
178 |
216 |
229 |
254 |
305 |
343 |
368 |
508 |
635 |
711 |
800 |
876 |
991 |
991 |
1308 |
1461 |
1537 |
|
4.7 |
5.5 |
7 |
8.5 |
11.5 |
10 |
12 |
13.5 |
14.5 |
20 |
25 |
28 |
31.5 |
34.5 |
39 |
39 |
51.5 |
57.5 |
60.5 |
- |
|
H |
130 |
140 |
150 |
170 |
180 |
185 |
215 |
240 |
260 |
300 |
350 |
400 |
450 |
480 |
540 |
600 |
680 |
710 |
790 |
|
5.1 |
5.5 |
6 |
6.8 |
7.1 |
7.4 |
8.5 |
9.5 |
10.3 |
11.9 |
13.9 |
15.8 |
17.8 |
19 |
21.3 |
25.6 |
26.8 |
28 |
31.1 |
- |
|
RF(Kg) |
7 |
8 |
11 |
15 |
23 |
33 |
44 |
69 |
78 |
137 |
207 |
279 |
428 |
555 |
775 |
835 |
1295 |
1450 |
1620 |
|
BW(Kg) |
6 |
7 |
8.5 |
12 |
16 |
24 |
34 |
57 |
63 |
122 |
175 |
229 |
368 |
483 |
685 |
720 |
1150 |
1300 |
1450 |