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TÜV/CE safety valves for solar plants
and district heating

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The safety valves for solar plants are designed and tested for high media temperatures. Even for the SOL-valves for intrinsically safe plants, the materials have been tested up to 160°C.

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

Series 651mSK

MaterialTemperaturePressureMediumConnection
- 10°C to + 120°C2,0 - 10 bar Threaded:
1/2" - 1"

Series 651mSK VA

MaterialTemperaturePressureMediumConnection
- 10°C to + 120°C2,0 - 10 bar Threaded:
1/2"

Series 451bG

MaterialTemperaturePressureMediumConnection
- 60°C to + 400°C
(depending on version)		0,5 - 70 bar Threaded:
1/2" - 2"

Series 851bG

MaterialTemperaturePressureMediumConnection
- 60°C to + 225°C
(depending on version)		0,5 - 50 bar 
Threaded:
1/2" - 2"

Series 852bGL

MaterialTemperaturePressureMediumConnection
- 60°C to + 225°C0,5 - 25 bar 
Flange:
DN 40 and DN 50

 

 

Series 451bH

MaterialTemperaturePressureMediumConnection
- 10°C to + 120°C0,5 - 25 bar Threaded:
1/2" - 2"

Series 851bH

MaterialTemperaturePressureMediumConnection
- 10°C to + 120°C0,5 - 25 bar 
Threaded:
1/2" - 2"