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PSN Valve
International
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            Main sizes and weights of dual-plate wafer type swing check valve
Pressure rating
Size
Dimension (mm)
Weight (Kg)
Pipeline flanges
NPS
DN
L
D
D2
D3
D1
Number of bolts
d
L1
in
mm
RF
RTJ
Class 150 PN20
2
50
60
103
51
56
2
120.5
4
5/8
M16
140
155
21/2
65
67
122
65
73
3
139.5
4
5/8
M16
150
165
3
80
73
135
80
88
4
152.5
4
5/8
M16
160
175
4
100
73
173
102
108
6
190.5
8
5/8
M16
170
185
5
125
86
195
127
132
8
216.0
8
3/4
M20
190
205
6
150
98
220
152
160
13
241.5
8
3/4
M20
205
220
8
200
127
277
203
210
25
298.5
8
3/4
M20
240
255
10
250
146
337
254
266
39
362.0
12
7/8
M24
270
285
12
300
181
407
305
310
54
432.0
12
7/8
M24
310
325
14
350
184
448
350
355
80
476.0
12
1
M27
325
340
16
400
191
512
400
405
117
540.0
16
1
M27
340
355
18
450
203
547
450
455
138
578.0
16
1 1/8
M30
365
380
20
500
219
604
500
505
163
635.0
20
1 1/8
M30
385
400
24
600
222
715
600
605
331
749.5
20
1 1/4
M33
405
420
28
700
305
773
700
700
380
795.5
40
3/4
M20
455
-
30
750
305
824
746
750
425
846.0
44
3/4
M20
455
-
32
800
305
878
796
800
560
900.0
48
3/4
M20
460
-
36
900
368
983
898
910
640
1009.5
44
7/8
M24
540
-
42
1050
432
1142
1050
1055
960
1171.5
48
1
M27
625
-
48
1200
524
1302
1200
1205
1400
1335.0
44
1 1/8
M30
740
-
Class 300 PN50
2
50
60
110
51
58
3
127.0
8
5/8
M16
155
175
21/2
65
67
128
65
73
4
149.0
8
3/4
M20
175
195
3
80
73
147
80
88
6
168.5
8
3/4
M20
190
210
4
100
73
179
102
108
8
200.0
8
3/4
M20
195
215
5
125
86
214
127
132
15
235.0
8
3/4
M20
215
235
6
150
98
249
152
160
18
270.0
12
3/4
M20
230
250
8
200
127
305
203
210
31
330.0
12
7/8
M24
280
300
10
250
146
359
254
266
51
387.5
16
1
M27
315
335
12
300
181
420
305
310
77
451.0
16
1 1/8
M30
365
385
14
350
222
483
350
355
117
514.5
20
1 1/8
M30
410
430
16
400
232
537
400
405
190
571.5
20
1 1/4
M33
435
455
18
450
264
594
450
455
200
628.5
24
1 1/4
M33
475
495
20
500
292
652
500
505
265
686.0
24
1 1/4
M33
510
535
24
600
318
772
600
608
410
813.0
24
11/2
M39
560
585
30
750
368
882
735
740
660
921.0
36
13/8
M36
650
-
36
900
483
1044
873
880
1020
1089.0
32
15/8
M42
800
-
42
1050
568
1196
1035
1045
1540
1244.5
36
1 3/4
M45
920
-
48
1200
629
1365
1179
1190
2260
1416.0
40
1 7/8
M48
1010
-

 

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