Pressure relief valves
Series 612

Rueckruf EN

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Pressure relief valves made of gunmetal, with double lever and weights, angle-type with threaded connections

This angle-type pressure relief valve with double lever and weights offers precise protection against overpressure in the case of low set pressures.
This is a versatile alternative if the system to be protected does not fall under PED and a compact version is not necessary. The set pressure can be very easily adjusted by the user.

  • Examples of use
  • Approvals
  • Downloads

For the protection of:

  • pressure tanks/-systems for neutral vapours, gases and liquids
  • steam boilers and steam plants

if proportional opening characteristics and only small blow-off volumes are required (i.e. protection in the case of expansion due to heating-up).
Please observe plant-specific regulations and use of appropriate valve version and sealing material.

  • low pressure steam systems
  • low pressure industrial- and commercial boiler plants


European Pressure Equipment Directive

TR ZU 032/2013 - TR ZU 010/2011

PED 2014/68/EU

Suitable for
Air, gases and vapoursneutral
1/2" - 2"
- 60°C to + 225°C
(depending on version)
0,1 - 4 bar
Data sheet/Capacity table