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You are here: Home >> What We Do >> Cast Steel Swing Check >> Swing Check Valve SS Class 150 Flanged/BW
Swing Check Valve SS Class 150 Flanged/BW
Swing Check Valve SS Class 150 Flanged/BW
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Standard Material Specification

Part Name
Material
18Cr-18Ni
18Cr-9Ni-2Mo
17Cr-9Ni-2Mo
Body
A351 CF8
A351 CF8M
A351 CF3M
Cover
A351 CF8
A351 CF8M
A351 CF3M
Disc
A351 CF8
A351 CF8M
A351 CF3M
Hinge
A351 CF8
A351 CF8M
A351 CF3M
Hinge pin
A276 304
A276 316
A276 316L
Disc washer
A276 304
A276 316
A276 316L
Disc nut
A193 B8
A193 B8M
A193 B8M
Disc nut pin
A276 304
A276 316
A276 316L
Cover gasket 1)
Graphite+304
Graphite+316
Graphite+316L
Cover stud
A193 B8
A193 B8M
A193 B8M
Cover stud nut
A194 8
A194 8M
A194 8M
Eyebolt 2)
A194 8
A194 8M
A194 8M

Note: 1) Spiral wound preferred, Teflon optional;
            2) Applied for NPS 6 and above.

Dimensions and Weights

Size
in
2
2 ½
3
4
6
8
10
12
14
16
18
20
24
mm
50
65
80
100
150
200
250
300
350
400
450
500
600
L/L1
(RF/BW)
in
8.00
8.50
9.50
11.50
14.00
19.50
24.50
27.50
31.00
34.00
38.50
38.50
51.00
mm
203
216
241
292
356
495
622
699
787
684
978
978
1295
L2 (RTJ)
in
8.50
9.00
10.00
12.00
14.50
20.00
25.00
28.00
31.50
34.50
39.00
39.00
21.50
mm
216
229
254
305
368
508
635
711
800
876
991
991
1308
H (Open)
in
6.00
6.50
6.88
8.00
11.50
13.88
15.38
17.00
18.75
20.62
22.88
24.62
24.75
mm
152
165
175
204
293
353
390
432
475
525
582
627
883
Weight
(kg)
BW
13
17
24
36
62
96
158
238
324
483
548
782
1105
RF/RTJ
17
21
29
42
74
108
177
282
372
570
665
900
1359

 
  
 
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