Wafer Butterfly Check Valve
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.
|
DN |
PN10/16 |
PN25 |
ASA150 |
ØB |
ØC |
H |
H1 |
R |
|
DN50 |
107 |
107 |
103 |
65 |
- |
43 |
33 |
28.5 |
|
DN65 |
127 |
127 |
122 |
80 |
42.7 |
46 |
34 |
36 |
|
DN80 |
142 |
142 |
132 |
94 |
28.6 |
64 |
44 |
42 |
|
DN100 |
162 |
167 |
157 |
117 |
47.5 |
64 |
48 |
50 |
|
DN125 |
192 |
192 |
188 |
145 |
91 |
70 |
50 |
64 |
|
DN150 |
218 |
222 |
218 |
170 |
122 |
76 |
52 |
77 |
|
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 |
|
1 |
Body |
Ductile Iron,WCB,CF8M |
|
2 |
DISC |
Aluminum Bronze,CF8M |
|
3 |
SEAT |
EPDM,NBR |
|
4 |
STEM |
316 |
|
5 |
SPRING |
316 |
