|
Check valves wafer type
|
Components
|
| 1 |
Body |
Cast iron or ductile iron |
| 2 |
Disc |
Ductile iron with zinc plated/Al-bronze/stainless steel |
| 3 |
Stem |
Stainless steel |
| 4 |
Spring |
Stainless steel |
| 5 |
Rubber gasket |
NBR/EPDM |
|
Application
|
| 1 |
Face to face ISO Standard |
| 2 |
Flange end DIN,BS,JIS,ANSI |
|
Test
|
| Working pressure |
PN10/PN16 |
Class 125/150 |
| Shell pressure |
15bars/24bars |
300PSI |
| Seat pressure |
11bars/17.6bars |
200PSI |
|
Dimensions Unit: mm
|
|
| Size(DN) |
50 |
65 |
80 |
100 |
125 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
700 |
800 |
| L |
43 |
46 |
64 |
64 |
70 |
76 |
89 |
114 |
114 |
127 |
140 |
152 |
152 |
178 |
229 |
| D1 |
65 |
80 |
94 |
117 |
145 |
170 |
224 |
265 |
310 |
360 |
410 |
450 |
505 |
624 |
720 |
| D2 |
43 |
60 |
66 |
91 |
117 |
145 |
198 |
234 |
284 |
333 |
381 |
420 |
468 |
573 |
680 |
| t |
19 |
20 |
23 |
27 |
30 |
31 |
33 |
40 |
43 |
45 |
52 |
58 |
58 |
73 |
98 |
| R |
29 |
36 |
43 |
53 |
66 |
79 |
104 |
127 |
148 |
172 |
197 |
218 |
241 |
295 |
354 |
| 法兰连接尺寸按(BS,DIM,ANSI,JIS standard etc.) |
|
