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Dual Plate Check Valve 150 Class 50 to 400mm Dual plate check valves are all purpose non return valves that are very durable, lighter in weight and smaller in comparison to a conventional swing check valve or lift check valve.Available with us in varied sizes and other technical specifications to meet the requirement of our clients. Non-Return Valve Lift Type Flanged End DN 15-400mm
- Design and Mfg. std.: BS 1868
- Face to face dimension std: BS 2080
- Inspection and testing std.: BS 6755 Pt.1
- Working Pressure: 150 Class
- Pressure-temp. ratings: BS 1560 Pt.2
- End connection flanged: ASME B16.5
DN
|
A
|
B
|
D
|
E
|
F
|
G
|
H
|
n
|
t
|
15
|
108
|
75
|
89
|
60.5
|
35
|
10
|
16
|
4
|
1.5
|
20
|
117
|
80
|
98.5
|
70
|
43
|
11
|
16
|
4
|
1.5
|
25
|
127
|
90
|
108
|
79
|
51
|
12
|
16
|
4
|
1.5
|
40
|
165
|
105
|
127
|
98.5
|
73
|
14.5
|
16
|
4
|
1.5
|
50
|
203
|
125
|
152.5
|
120.6
|
92
|
16
|
19
|
4
|
1.5
|
65
|
216
|
150
|
178
|
140
|
105
|
17.5
|
19
|
4
|
1.5
|
80
|
241
|
170
|
191
|
152.5
|
127
|
19.1
|
19
|
4
|
1.5
|
100
|
292
|
200
|
229
|
190.5
|
157
|
24
|
19
|
8
|
1.5
|
125
|
330
|
225
|
252.4
|
216
|
186
|
24
|
22.3
|
8
|
1.5
|
150
|
356
|
250
|
279.5
|
241.3
|
216
|
25.4
|
22.3
|
8
|
1.5
|
200
|
495
|
300
|
343
|
298.5
|
270
|
28.5
|
22.3
|
8
|
1.5
|
250
|
622
|
310
|
406.5
|
362
|
324
|
30.2
|
25.4
|
12
|
1.5
|
300
|
698
|
325
|
483
|
432
|
381
|
32
|
25.4
|
12
|
1.5
|
350
|
787
|
365
|
533.5
|
476
|
413
|
35
|
28.5
|
12
|
1.5
|
400
|
864
|
400
|
597
|
540
|
470
|
36.5
|
28.5
|
16
|
1.5
|
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