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Piston Check Valve

Piston Check Valve

Standards compliance:
Basic design: Bs 1868
Face to face dimension: ANSI b16.10
End to end dimension: ANSI b 16.10
Flanged ends:
2"-24" to ANSI b 16.5
>24: To mss sp-44
To API 605 on request
B. W. Ends to ANSI b 16.25
Shell wall thickness:
2"-24" to API 600
>24" to manufacture
Manufacturing to nace mr-01-75 on request

TEST PRESSURE TO API 598
Body
Mateerial
Shell Test
(Hydrostatic)
Seat Test
(Hydrostatic)
Seat Test
(Air)
WCB 450psig 315psig 80psig
WC6 450psig 319psig
CF8M 425psig 303psig
DIMENSIONS AND WEIGHTS
NPS
DN
in
mm
2
50
2-1/2
65
3
80
4
100
5
125
6
150
8
200
10
250
12
300
14
350
16
400
18
450
20
500
24
600
30
750
36
900
L-L1
(RF-BW)
in
mm
8
203
8-1/2
216
9-1/2
241
11-1/2
292
13
330
14
356
19-1/2
495
24-1/2
622
27-1/2
698
31
787
34
864
38-1/2
978
38-1/2
978
51
1295
60
1524

77
1955
L2
(RTJ)
in
mm
8-1/2
216
9
229
10
254
12
305
13-1/2
343
14-1/2
368
20
508
25
635
28
711
31-1/2
800
34-1/2
876
39
991
39
991
51-1/2
1308
60-1/2
1537
77-1/2
1968
H
(OPEN)
in
mm
5-7/8
150
6-5/8
168
7-1/16
180
8-1/4
210
9-1/16
230
10-13/16
275
13-3/8
340
14
355
16-1/8
410
18-11/16
475
21-3/4
552
23-5/8
600
26
660
29-1/8
740
38-5/8
980
40-3/4
1035
WT
(KG)
RF
BW
17
13
21
171
29
24
42
36
69
57
74
62
108
96
177
158
282
238
372
324
570
483
665
548
900
782
1359
1150
2120
1890
3344
2940

 

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