Type test approved atmospheric discharge safety valves
for industrial applicationsSeries 812

Rueckruf EN

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High performance safety valves made of brass, atmospheric discharge, with threaded connection

The basic model within the range of high performance safety valves. Up to date technology and highest precision, high-quality components such as a stainless spindle and spring fitted into a slender body made of brass. This valve is suitable for air and gaseous media up to a set pressure of 40 bar, which can be freely discharged into the atmosphere.

  • Examples of use
  • Approvals
  • Downloads

For the protection of:

  • pressure tanks and
  • pressure systems for air and other neutral, non-poisonous and non-flammable gases which can be freely discharged into the environment

Please observe plant-specific regulations and use of appropriate valve version and sealing material.

  • pneumatic control units
  • pressure booster plants air-side
  • paint spray shops
  • transport- and railway applications
  • pneumatic braking systems

Safety valves are set and sealed at the factory.


TÜV-Type test approval 2003

Sec. VIII Div. 1

EC type examination

TSG ZF001-2006
D/G (S/G)


TR ZU 032/2013 - TR ZU 010/2011
D/G (S/G)

Type approval Deutsche Bahn
D/G (S/G)



AD 2000 Data sheet A2
DIN EN ISO 4126-1
PED 2014/68/EU
KGS AA 319

Suitable for
1/2" - 2"
- 60°C to + 225°C
(depending on version)
0,2 - 50 bar
(depending on version)
Data sheet/Capacity table