Overflow and pressure control valves
Series 617

Rueckruf EN

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Overflow- / pressure control valves made of gunmetal, angled type or straight- through type with threaded connections
–externally adjustable–

By means of an external setting mechanism this valve can be set or adjusted by the operator during operation. The closed, gastight version with large spring ranges offers a wide range of application possibilities. This valve is also widely used as an overflow valve in applications where the plant pressure often changes. Due to its versatility and large spring ranges, this valve can be highly recommended as a stock item.

  • 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 neutral / non-neutral gases and vapours and - depending on the sealing material - also for steam
  • pump protection
  • test rig construction
  • process equipment construction
  • shipbuilding industry and marine equipment
  • 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
3/8" - 2"
- 60°C to + 225°C
(depending on version)
0,2 - 20 bar
Data sheet/Capacity table