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Overflow and pressure control valves

Series 630

Rueckruf EN

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Overflow and pressure control valves made of gunmetal, straightway form, with threaded ­connections

The alternative to stainless steel made of corrosion-resistant gunmetal. The advantages of an external adjustment possbility during operation, high flow rates at low differential pressures, suitability for liquid and gaseous media. Easy service due to the replacement valve cartridge make this diaphragm-controlled overflow valve suitable for a wide range of applications.   

  • Examples of use
  • Approvals
  • Downloads

For the protection of:   

  • pumps against overloading in closed circuits for neutral / non-neutral, non-sticking liquids

For the control of:

  • systems under pressure for air, neutral / non-neutral gases and vapours

  • test rig construction
  • process equipment construction
  • de-icing technology
  • mechanical engineering
  • industrial applications   

European Pressure Equipment Directive

TR ZU 032/2013 - TR ZU 010/2011

PED 2014/68/EU

Suitable for
Liquids neutral and non-neutral
Air, gases and vapours neutral and non-neutral
Stainless steel
1/2" - 2"
- 10°C to + 95°C
0,5 - 10 bar
Data sheet/Capacity table