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Specifications

Main parts and materials:
 
Parts name
Material
Body
Cast Iron, Ductile Iron
Disc
Ductile Iron, Stainless Steel
Stem
Stainless Steel
Seat ring
Stainless Steel/EPDM, PTFE
Disc ring
EPDM, PTFE
 
Standards
 
Design STD
Face to face
Flange end
Inspection
BS 5055
AWWA C504
GB12221-89
ISO 5752
BS EN 558-1
DIN 2501
ISO7005-2
BS EN 1092
API 598
 
Test
 
Nominal pressure
Shell test
Seal test
1.0
1.5
1.1
1.6
2.4
1.76
 
Dimensions
 
SIZE
HA
HB
L
PN10
PN16
D
D1
n-d
D
D1
n-d
DN100
140
282
190
220
180
8-18
220
180
8-18
DN125
170
327
200
250
210
8-18
250
210
8-18
DN150
225.4
368
210
285
240
8-23
285
240
8-23
DN200
230
462
230
340
295
8-23
340
295
12-23
DN250
280
517
250
395
350
12-23
405
355
12-27
DN300
262
501
270
445
400
12-23
460
410
12-27
DN350
280
567
290
505
460
16-23
520
470
16-27
DN400
262
655
310
565
515
16-27
580
525
16-30
DN450
264
610
330
615
565
20-27
640
585
20-30
DN500
390
750
350
670
620
20-27
715
650
20-33
DN600
450
860
390
780
725
20-30
840
770
20-36
DN700
511
1014
430
895
840
24-30
910
840
24-36
DN800
575
1125
470
1015
950
24-33
1025
950
24-39
DN900
615
1235
510
1115
1050
28-33
1125
1050
28-39
DN1000
720
1418
550
1230
1160
28-36
1255
1170
28-42
DN1200
815
1650
630
1455
1380
32-39
   
DN1400
972
2050
710
1675
1590
36-42
   
DN1600
1130
2124
790
1915
1820
40-48
   
DN1800
1323
2651
870
2115
2020
44-48
   
DN2000
1503
2989
950
2325
2230
48-48