Our Swing Check Valves are available in carbon steel, various grades of stainless steel including duplex and virtually any metallurgy required.
ANSI B16.34 and API 6D Through Conduit
CLASS 300 - Cast Carbon Steel Check Valve
ValveSize
In
1.5
2
2.5
3
4
5
6
8
10
12
14
16
18
20
22
24
26
28
30
mm
40
50
65
80
100
125
150
200
250
300
350
400
450
500
550
600
650
700
750
L1
9.50
10.50
11.50
12.50
14.00
15.75
17.50
21.00
24.50
28.00
33.00
34.00
38.50
40.00
-
53.00
59.00
62.75
241
267
292
318
356
444
533
622
711
838
864
978
1016
1346
1499
1594
L2
H
5.5
6.5
7.5
8.7
8.9
9.8
10.7
13.0
14.2
16.0
18.9
21.1
22.6
24.8
31.7
36.6
38.4
140
165
190
205
225
272
360
406
480
535
575
630
805
930
975
CLASS 600 - Cast Carbon Steel Check Valve
13.00
17.00
22.00
26.00
31.00
35.00
39.00
43.00
47.00
55.00
330
432
559
660
787
889
991
1092
1194
1397
7.1
7.8
10.1
12.4
14.0
16.3
17.7
21.9
23.7
25.0
27.8
33.7
180
197
220
256
415
556
601
635
707
856
CLASS 900 - Cast Carbon Steel Check Valve
15.00
18.00
24.00
29.00
38.00
40.50
44.50
381
457
610
737
965
1029
1130
11.5
13.6
17.5
20.7
24.4
28.3
31.3
34.6
346
526
620
720
794
880
CLASS 1500 - Cast Carbon Steel Check Valve
14.50
16.50
18.50
21.50
27.75
32.75
368
419
470
546
705
832
11.4
13.7
15.4
20.3
25.6
34.4
290-
316
347
391
515
875
CLASS 2500 - Cast Carbon Steel Check Valve
17.75
20.00
22.75
26.50
36.00
451
508
578
673
914
13.2
15.2
15.7
22.8
335
385
580
