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The silencing check valves in cast iron with spring are the optimal solution for big diameter pipelines. They can be considered as alternative to venturi 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
Flange: UNI EN 1092-1 PN10/PN16/PN25
Flanged ends: DIN 2532
Inspection & test: GB/T 13927
|
Body |
Cast Iron, Ductile Iron |
|
Disc |
Cast Iron, Ductile Iron |
|
Ring seal |
NBR |
|
Disc seal |
Steel |
|
DN |
L mm |
D mm |
Weight kg |
|
300 |
181 |
445 |
- |
|
350 |
184 |
505 |
- |
|
400 |
191 |
565 |
- |
|
500 |
219 |
670 |
- |
|
600 |
222 |
780 |
- |
|
700 |
280 |
895 |
- |
|
800 |
356 |
1015 |
|
|
900 |
368 |
1115 |
- |
|
1000 |
432 |
1230 |
- |
|
1200 |
524 |
1455 |
- |
