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TÜV/CE safety valves for solar plants
and district heating

Rueckruf EN

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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: Safety valve for solar plants

Series 651mSK

MaterialTemperaturePressureMediumConnection
- 10°C to + 120°C2,0 - 10 bar 
Threaded:
1/2" - 1"
Series 651mSK VA: Safety valve for solar plants

Series 651mSK VA

MaterialTemperaturePressureMediumConnection
- 10°C to + 120°C2,0 - 10 bar 
Threaded:
1/2"
Series 451bG: Safety valve for boilers

Series 451bG

MaterialTemperaturePressureMediumConnection
- 60°C to + 400°C
(depending on version)
0,5 - 70 bar 
Threaded:
1/2" - 2"
Series 851bG: Safety valve for ressure tanks

Series 851bG

MaterialTemperaturePressureMediumConnection
- 60°C to + 225°C
(depending on version)
0,5 - 50 bar 
Threaded:
1/2" - 2"
Series 452bGL: Safety valve for solar power stations

Series 452bGL

MaterialTemperaturePressureMediumConnection
- 60°C to + 400°C
(depending on version)
0,5 - 25 bar 
Flange:
DN 40 and DN 50
Series 852bGL: Safety valves with metal bellows

Series 852bGL

MaterialTemperaturePressureMediumConnection
- 60°C to + 225°C0,5 - 25 bar 
Flange:
DN 40 and DN 50
Series 451bH: Valve with bellows made of stainless steel

Series 451bH

MaterialTemperaturePressureMediumConnection
- 10°C to + 120°C0,5 - 25 bar 
Threaded:
1/2" - 2"
Series 851bH: Valve with bellows with threaded connections

Series 851bH

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