Overflow and pressure control valves

Series 417

Rueckruf EN

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Overflow / pressure control valves  made of stainless steel, angle-type with threaded connections
- externally adjustable -

If the 617 series made of gunmetal and brass cannot be used due to an aggressive medium or an aggressive environment, the new 417 series made of highly corrosion resistant stainless steel provides a solution. The sealed and gas-tight design covers an even wider application range. The valves can be conveniently adjusted or aligned using the external adjustment, which means that perfect alignment to the operating conditions of the system is possible. They can, however, also be set and sealed at the factory.

  • 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
  • chemical plants, biogas plants
  • desalination plants
  • mechanical engineering and process equipment construction
  • shipbuilding industry and marine equipment
  • industrial applications
  • secondary areas in  the food-, beverage-, pharmaceutical- and cosmetics-industries


European Pressure Equipment Directive

TR ZU 032/2013 - TR ZU 010/2011

PED 2014/68/EU

Suitable for
Stainless steel
3/8" - 2"
DN 10 - DN 50

- 60°C to + 225°C
(depending on version)
0,2 - 20 bar
Data sheet/Capacity table