Basic information of Low Resistance Silent Check Valve
This valve is installed at the water outlet of the pump to prevent backflow of the medium and damage to the pump by the water hammer.
Part |
Material |
Standard |
Body |
Ductile Iron |
EN 1563/DIN 1693 |
Ductile Iron |
EN 1563/DIN 1693 |
|
Stem |
Stainless Steel 431 |
EN10088-1/ASTM A959 |
Disc |
Ductile Iron + EPDM |
EN 1563/ISO 4633 |
Nut |
CuZn39Pb1 / C37000 |
EN12167/ASTM B135 |
Spring |
Stainless Steel 431 |
EN10088-1/ASTM A959 |
For the materials options not listed, consult factory. ZECO manufactures valves in more than 50 different alloys. |
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