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Pressure relief valves

Rueckruf EN

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These pressure relief valves are valves which have a proportional opening and closing characteristic. They guarantee perfect operation even though they do not have a TÜV Type Test Approval.

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

Series 418

MaterialTemperaturePressureMediumConnection
- 60°C to + 225°C
(depending on version)
0,2 - 30 bar 

Threaded: 3/8" - 1 1/4"

DN 10 - DN 32

Series 618

MaterialTemperaturePressureMediumConnection
- 60°C to + 225°C
(depending on version)
0,2 - 20 bar Threaded:
3/8" - 2"

Series 601

MaterialTemperaturePressureMediumConnection
- 60°C to + 225°C
(depending on version)
1,5 - 16 bar
(depending on version)
 Threaded:
1/2" - 2"

Series 612

MaterialTemperaturePressureMediumConnection
- 60°C to + 225°C
(depending on version)
0,1 - 4 bar Threaded:
1/2" - 2"