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Product Name:Flanged Three Offset Butterfly Valve
Flanged Three Offset Butterfly Valve
 
Specification
Structre type:  double flanged three eccenticity
Design standard: API 609-83
flange connection dimension: ANSI B 16.5
Structure length: ANSI B16.10-1992
Pressure test: API 598-82
Size :  2"-36"
 
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
 Body
WCB,304,316,316SS,CF8M
Disc
WCB,304,316,316SS,CF8M
Stem
416 ,316,2Cr13,1Cr18Ni9Ti
Seal ring
316,Fluorine plastic
Packing
Flesxible graphite,fluorine plastic
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Dimensions
API 150LB Series
DN
L
H
H2
D
D1
D2
M
n-d1
50
108
110
345
152
120.5
92
M18
4-19
80
114
125
380
190
152.5
127
M18
4-19
100
127
145
415
229
190.5
157
M18
8-19
125
140
165
455
254
216
186
M20
8-22
150
140
175
545
279
241.5
216
M20
8-22
200
150
210
645
343
298.5
270
M20
8-22
250
160
250
695
406
362
324
M24
12-25
300
178
285
830
483
432
381
M24
12-25
350
190
320
900
533
476
413
M27
16-29
400
216
355
980
597
540
470
M27
16-29
450
222
380
1030
635
578
533
M30
16-32
500
229
415
1110
699
635
584
M30
20-32
600
267
475
1305
813
749.5
692
M33
20-35
750
292
580
1525
985
914
857
M33
28-35
800
318
630
1585
1060
978
914
M39
28-41
900
330
680
1765
1168
1085
1022
M39
32-41
 
API 300LB Series
DN
L
H
H2
D
D1
D2
M
n-d1
50
108
110
345
165
127
92
M18
8-19
80
114
125
380
210
168
127
M20
8-22
100
127
145
415
254
200
157
M20
8-22
125
140
165
455
279
235
186
M20
8-22
150
140
175
545
318
270
216
M20
12-22
200
150
210
645
381
330
270
M24
12-26
250
160
250
695
445
387
324
M27
16-29
300
178
285
830
521
451
381
M30
16-32
350
190
320
900
584
514
413
M30
20-32
400
216
355
980
648
571
470
M33
20-35
450
222
380
1030
711
628
533
M33
24-35
500
229
415
1110
775
686
584
M33
24-35
600
267
475
1305
914
813
692
M39
24-41
750
292
580
1525
1092
997
857
M45
28-49
900
330
680
1765
1270
1168
1022
M50
32-53
 
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