Article: 127
Flanges: UNI EN 1092-2 PN 10 - 16 - 25
Installation: horizontal / vertical
APPLICATIONS • Irrigation • Pumping stations • Industry • Water
Epoxy paiting suitable for drinking water applications.
The silencing check valves in cast iron with spring are the optimal solution for big diameter pipelines. They can be considered as alternative to noozle check valves, whenever needed a compact face to face length. The silencing check valves close without noise and quickly, they don’t need any maintenance and are long lasting. Available from DN 300 to DN 1200.
Materials
| body |
cast iron GG25, EN-GJL-250, or ductile iron GGG40, EN-GJS-400-15 |
| disc |
cast iron GG25, EN-GJL-250, or ductile iron GGG40, EN-GJS-400-15 |
| spring |
stainless steel 316 |
| ring seal |
NBR |
| disc pin |
X 20 CR 13 |
| disc seat |
steel |
| painting |
epoxy |
| DN |
L mm. |
D mm.
PN 10/16 |
Weight kg. |
| 300 |
181 |
445/460 |
59 |
| 350 |
184 |
505/520 |
75 |
| 400 |
191 |
565/580 |
110 |
| 450 |
203 |
615/640 |
155 |
| 500 |
219 |
670/715 |
250 |
| 600 |
222 |
780/840 |
412 |
| 700 |
280 |
895/910 |
432 |
| 800 |
356 |
1015/1025 |
742 |
| 900 |
368 |
1115/1125 |
803 |
| 1000 |
432 |
1230/1255 |
966 |
| 1200 |
524 |
1455/1485 |
1235 |
| DN |
Nominal pressure |
Test pressure Mpa |
Max working pressure Mpa |
| mm |
BAR |
body |
seat |
90°C |
| 300-600 |
16 |
2,4 |
1,76 |
1,6 |
| 700-1200 |
10 |
1,5 |
1,1 |
1,0 |
