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Overflow and pressure control valves

Rueckruf EN

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These overflow and pressure control valves with proportional opening and closing characteristic are particularly suitable for test rigs, pump circuits or as pressure control or pressure relief valves. They are usually used to protect an existing pump in a closed-circuit from overloading and overheating.

The medium can then circulate through the bypass system of the pump or through the piping network.

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

Series 417

MaterialTemperaturePressureMediumConnection
- 60°C to + 225°C
(depending on version)
0,2 - 20 bar Threaded:
3/8" - 2"
DN 10 - DN 50

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 617

MaterialTemperaturePressureMediumConnection
- 60°C to + 225°C
(depending on version)
0,5 - 20 bar Threaded:
3/8" - 2"

 

 

Series 618

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

Series 453

MaterialTemperaturePressureMediumConnection
- 60°C to + 225°C
(depending on version)
0,5 - 25 bar Threaded:
1/2" - 2"

Series 853

MaterialTemperaturePressureMediumConnection
- 60°C to + 225°C
(depending on version)
0,5 - 25 bar Threaded:
1/2" - 2"

Series 608

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

Series 430

MaterialTemperaturePressureMediumConnection
- 10°C to + 95°C0,5 - 10 bar  Threaded:
1/2" - 2"

Series 431

MaterialTemperaturePressureMediumConnection
- 10°C to + 95°C0,5 - 10 bar  Flange:
DN 15 to DN 80

Series 630

MaterialTemperaturePressureMediumConnection
- 10°C to + 95°C0,5 - 10 bar  Threaded:
1/2" - 2"

Series 631

MaterialTemperaturePressureMediumConnection
- 10°C to + 95°C0,5 - 10 bar  Flange:
DN 15 to DN 100