Pressure relief valves
Series 601

Rueckruf EN

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

This angle-type pressure relief valve with lever and weight is an ideal alternative when in the case of low capacities a TÜV Type Tested safety valve is not necessary. The set pressure can very easily be adjusted by the user. Provided the valve is used correctly, then its simple and robust design guarantee a high degree of reliability.

  • 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.

  • industrial and commercial boilers


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)
1,5 - 16 bar
(depending on version)
Data sheet/Capacity table