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Product Name:JIS Flanged Butterfly valve
Specification
Structre type:  double flanged three eccenticity
Design standard: API609-83
flange connection dimension:ANSI B 16.5
Structure length:ANSI B 16.10-1992
Pressure test:API 598-82
Size :  2"-48" 
 
Application
Three eccentric configuration, hermetic capability reliably,which ensure disc never touch sealing seat when it start, solve the problem of hermetical seat burden unequally,prolong service life, and ensure reliable hermetic capability with advantage of high temperature resistant, wearable,antisepsis etc.
 
Materials
No.
Part Name
Materia(1)
Materia(2)
1
Body
A126B
GG25
2
Bushing
B62
B62
3
"O"ring
EPDM
NBR
4
Stem
SS410
1.4201
5
Disc
SS316
1.4408
6
Seat
EPDM
NBR
7
Pin
SS316
1.4408
 
Dimensions
Size(DN)
C
L
A
B
c
D1
D
n-d
K
E
n-d1
40
32
32
139
68
12.6
110
?
4-18
65
50
4-8
50
42.04
32
161
80
12.6
125
52.5
4-18
65
50
4-8
65
44.68
32
175
89
12.6
145
63.8
4-18
65
50
4-8
80
45.21
32
181
95
12.6
160
78.1
8-18
65
50
4-8
100
52
32
200
114
15.77
180
103.8
8-18
90
70
4-10
125
54.36
32
213
127
18..92
210
123.1
8-18
90
70
4-10
150
55.7
32
226
139
18.92
240
155
8-22
90
70
4-10
200
60.1
40
260
175
22.1
295
202.1
8-22
125
102
4-12
250
65.63
40
292
203
28.45
350
250.1
12-22
125
102
4-12
300
76.5
40
337
242
31.6
400
301.1
12-22
125
102
4-12
350
76
45
368
267
31.6
460
333.3
16-22
125
102
4-12
400
86
51.2/72
400
297
33.15
515
389.6
16-26
175
140
4-18
450
105
51.2/72
422
318
38
565
440.5
20-26
175
140
4-18
500
127
64.2/82
480
348
41.15
620
491.6
20-26
175
140
4-18
600
151
64.2/82
562
444
50.65
725
592.5
20-30
210
165
4-22
700
162
66/82
623.9
505
63.35/55
840
695
24-30
300
254
8-18
750
166
66/82
646
520
63.35/55
900
744.6
24-33
300
254
8-18
800
187
66/82
672
565
63.35/55
950
794.7
24-33
300
254
8-18
900
202
118
720
637
75
1050
864.7
28-33
300
254
8-18
1000
215
142
800
700
85
1160
965
28-36
300
254
8-18
1200
276
160
940.7
844.1
105
1380
1164.5
32-39
350
298
8-22
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