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Product Name:Double Flange Eccentric Type Butterfly Valve
Double Flange Eccentric Type Butterfly Valve

Specification
Design standard: API 609
Face to Face: API 609
Flange Drilling: DIN2501, ANSI 125/150
Pressure test: API 598
Size: 12"-48"

Materials
Part Name
Material(1)
Material(2)
Body
A126B
GG25
Bushing
B62
B62
"O"ring
EPDM
NBR
Stem
SS410
1.4201
Disc
SS316
1.4408
Seat
EPDM
NBR
Pin
SS316
1.4408
 
Dimensions
Size
D
D1
b
f
Short Body
Long Body
H
H1
H2
L
L1
L2
G
L5
n-d0
4-M
n-d0
Short Body
Long Body
DN300
450
400
28
4
8-22
M20
 12-22
959
542
267
114
270
449
178
300
473
DN350
505
460
30
4
12-22
M20
16-22
1048
583
315
127
290
449
178
300
473
DN400
565
515
30
4
16-26
M24
16-26
1120
620
350
 140
310
449
178
300
473
DN450
615
565
34
4
16-26
M24
 20-26
1190
667
373
152
330
449
178
300
473
DN500
670
620
34
4
16-26
M24
20-26
1280
702
428
 152
350
486
196
300
528
DN600
780
725
35
5
20-30
M27
20-30
1409
759
450
178
390
627
244
400
596
DN700
895
840
40
5
20-30
M27
 24-30
1613
885
528
229
430
627
244
400
596
DN800
1015
950
44
5
24-33
M30
24-33
1736
1013
573
241
470
635
270
300
711
DN900
1115
1050
44
5
24-33
M30
28-33
1860
1071
639
241
510
635
270
300
711
DN1000
1230
1160
50
5
34-36
M33
28-36
2107
1234
723
300
550
955
455
300
807
DN1200
1455
1380
52
5
28-39
M36
32-39
2326
1343
833
350
630
955
455
300
807
For larger sizes, please contact us directly.
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