Check valve
Name：Water Resilient Seated Butterfly Valve
Details
1.Desgin Standard：JB/T 8937-1999.
2.Face To Face：ISO 5752-16.
3.Flanged Ends：GB/T 2506-89.
4.Pressure Test：JB/T9092-1999.
5.Pressure Rating：PN10/PN16.
Main components and materials：
|
1
|
Body
|
Ductile Iron,WCB,CF8M
|
|
2
|
DISC
|
Aluminum Bronze,CF8M
|
|
3
|
SEAT
|
EPDM,NBR
|
|
4
|
STEM
|
316
|
|
5
|
SPRING
|
316
|
|
DN
|
ØA
|
ØB
|
ØC
|
H
|
H1
|
t
|
||
|
PN10/16
|
PN25
|
ASA150
|
||||||
|
DN200
|
273
|
282
|
268
|
224
|
175.5
|
89
|
58
|
102.5
|
|
DN250
|
328
|
339
|
328
|
265
|
202.9
|
114
|
78
|
125
|
|
DN300
|
378
|
399
|
407
|
310
|
257.3
|
114
|
74
|
146
|
|
DN350
|
438
|
456
|
445
|
360
|
308.3
|
127
|
79
|
171
|
|
DN400
|
489
|
513
|
510
|
410
|
352.9
|
140
|
88
|
195
|
|
DN450
|
539
|
563
|
547
|
450
|
387.7
|
152
|
98
|
215
|
|
DN500
|
594
|
623
|
604
|
505
|
436.4
|
152
|
100
|
238
|