651mWNK Safety valves with diaphragm made of gunmetal
Especially in valves used in drinking water installations, we do not compromise on the materials used. Only materials of the highest quality, suitable and approved for drinking water applications, are used in these valves. This type of diaphragm safety valves is installed in the cold water line before the hot water boiler to protect it from excessive pressure.
For the protection of:
- Boilers with a closed circuit for drinking water and process water according to TRD 721, DIN 4753, and DIN 1988 for temperatures up to a maximum of 95 °C. The safety valve is mounted in the cold water inlet of the hot water boiler according to DIN 1988.
- Boilers for drinking water and process water, and storage tanks.
Safety valves are factory-set and sealed.
