BUTTERFLY VALVES:
WAFER BUTTERFLY VALVE
FIG: 826 C FIG: 826 NS
 
Part Name:
Material:
Body
Cast Iron (50-300)
Ductile Iron (350-600)
Disc
Ductile Iron Chrome Palted / Stainless Steel
Rubber Liner
Buna-N (NBR)/EPDM
Stem
Stainless Steel
Taper Pin
Stainless Steel
O-Ring
Buna-N (NBR)
Backing Ring
Phenolic / Aluminium
Bush
Lubricated Bronze
 
SIZE
C
L
A
B
Øc
ØD1
ØD
n-Ød
ØK
ØE
n-Ød1
DN40
32
32
139
68
12.6
110
4-18
65
50
4-8
DN50
42.04
32
161
80
12.6
125
52.5
4-18
65
50
4-8
DN65
44.68
32
175
89
12.6
145
63.8
4-18
65
50
4-8
DN80
45.21
32
181
95
12.6
160
78.1
8-18
65
50
4-8
DN100
52
32
200
114
15.77
180
103.8
8-18
90
70
4-10
DN125
54.36
32
213
127
18.92
210
123.1
8-18
90
70
4-10
DN150
55.7
32
226
139
18.92
240
155
8-22
90
70
4-10
DN200
60.1
40
260
175
22.1
295
202.1
8-22
125
102
4-12
DN250
65.63
40
292
203
28.45
350
250.1
12-22
125
102
4-12
DN300
76.5
40
337
242
31.6
400
301.1
12-22
125
102
4-12
DN350
76
45
368
267
31.6
460
333.3
16-22
125
102
4-12
DN400
86
51.2/72
400
297
33.15
515
389.6
16-26
175
140
4-18
DN450
105
51.2/72
422
318
38
565
440.5
20-26
175
140
4-18
DN500
127
64.2/82
480
348
41.15
620
491.6
20-26
175
140
4-18
DN600
151
64.2/82
562
444
50.65
725
592.5
20-30
210
165
4-22
DN700
162
66/82
623.9
505
63.35/55
840
695
24-30
300
254
8-18
DN750
166
66/82
646
520
63.35/55
900
744.6
24-33
300
254
8-18
DN800
187
66/82
672
565
63.35/55
950
794.7
24-33
300
254
8-18
DN900
202
118
720
637
75
1050
864.7
28-33
300
254
8-18
DN1000
215
142
800
700
85
1160
965
28-36
300
254
8-18
DN1200
276
160
940.7
844.1
105
1380
1164.5
32-39
350
298
8-22
 
FLOW CHARTS
 
Dimensions
PN10 (N.M.)
PN16 (N.M.)
Dimensions
PN10 (N.M.)
PN16 (N.M.)

DN50

9.8

12.7
DN250
163.6
261.76
DN65
11.5
14.96
DN300
203
263.9
DN80
15.6
20.28
DN350
432
561.6
DN100
23
29.9
DN400
622
870
DN125
40.3
52.39
DN450
829
1160.6
DN150
53
68.9
DN500
1036
1450.4
DN200
76.6
99.58
DN600
1313
1838.2
Torgue in Newton Metres (N.M.)
 
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