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Product Name:Wafer Type Double Offset Butterfly Valve
Wafer Type Double Offset Butterfly Valve

Specification
Structre type:  Double eccentric wafer butterfly valve
Design standard: API 609, EN 593 
Flange connection dimension: ASME B16.5, DIN2501 (DIN2534), ISO2084
Structure length: API 609, DIN3202-K1, BS5155, ANSI B16.10, MSS SP-67
Pressure test:  API 598
Size:  3"-24"
 
Application
This kind of butterfly valve is widely utilized in foodstuff,pharmacy,chemical industry etc.and industrial environmental protection, water treatment, high building,water supply and draian tubing line open or close or adjusting medium. 
 
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
 
Dimensions
DIN2501(DIN2534) ISO2084 PN25
DN
L
L2
H
H1
D1
n-d1
50
43
265
330
250
125
4-18
65
46
265
362
267
145
4-18
80
49
265
375
275
160
8-18
100
56
320
410
295
190
8-22
125
64
320
425
305
220
8-26
150
70
340
465
320
250
8-26
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