antipollution check valve, with drain valve, flanged
figure 164 02
antipollution check valve, with plugged drain port, union thread
figure 158 1G
antipollution check valve, FPT, with plugged drain port
figure 195 02
combined stop and antipollution check valve, with drain valve
figure 137 02
combined stop and antipollution check valve, union thread, with plugged drain port
figure 145 2G
combined stop and antipollution check valve, with plugged drain port, union thread
figure 160 2G
combined stop and antipollution check valve, with plugged drain port, FPT
figure 193 02
SST combined stop and antipollution check valve, MAPRESS, with drain valve
figure 060 01
SST combined stop and anti pollution check valve, union thread, with drain valve
figure 060 1G
Fluid category 2 safety valves
Anti-pollution check valves and combined stop and check valves allow drinking water to flow in only one direction and prevent backflow against the direction of flow. In this way, they reliably protect against category 2 fluids in accordance with DIN EN 1717.
Benefit from the following advantages:
Definition of fluid category 2 based on DIN EN 1717
Fluid that is suitable for human consumption and does not present a hazard. This also includes water from a drinking water installation in which a change in taste, smell, colour or temperature (heating or cooling) occurs.
Practical use examples:
You can find more information on choosing the right safety valves in our guidebook.