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Safety fittings for water supply
in the building technology sector

Rueckruf EN

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Our pressure reducing valves with potable water approvals, with either threaded or flange connections do not only cover all classical areas of the water supply sector: They are often used for applications in sprinkler systems, in water-treatment or desalination plants.

The materials for all wetted parts do not only fulfill the stringent national DGVW regulations but also those in France (ACS), the UK (WRAS) and Norway (SINTEF).

Quickfinder certificates
Here you can find our series and their corresponding certificates in a practical overview.

Series 651mWNK: Safety valves in potable water installations

Series 651mWNK

MaterialTemperaturePressureMediumConnection
- 10°C to + 95°C3,0 - 10 bar 
Threaded:
1/2" - 1 1/4"
Series 651mWNK VA: Safety valves in potable water installations

Series 651mWNK VA

MaterialTemperaturePressureMediumConnection
- 10°C to + 95°C3,0 - 10 bar 
Threaded:
1/2"
Series 651mWIK: Safety valves for hot water heater

Series 651mWIK

MaterialTemperaturePressureMediumConnection
- 10°C to + 95°C3,0 - 10 bar 
Threaded:
1/2" - 2"
Series 669: Safety valve assemblies made of gunmetal

Series 669

MaterialTemperaturePressureMediumConnection
- 10°C to + 95°C3,0 - 10 bar 
Threaded:
1/2" and 3/4"