Overflow and pressure control valves
Series 418

Rueckruf EN

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Overflow and pressure control valves made of stainless steel, angle-type, with threaded connection - external adjustment -

Highly corrosion-resistant overflow valve - closed, gastight version. This is suitable for all media and due to its large spring range is suitable for a wide range of applications. Therefore it is also ideally suitable, when a customer wants to stock a valve suitable for a wide range of applications and varying set pressures. This valve is particularly maintenance-friendly due to an easily replaced valve cartridge. The valve can also be easily set or adjusted during operation.

  • 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" - 1 1/4"
DN 10 - DN 32

- 60°C to + 225°C
(depending on version)
0,2 - 30 bar
Data sheet/Capacity table