Type test approved safety valves angle-type
for industrial applications Series 642

Rueckruf EN

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Safety valves made of gunmetal,
angle-type with threaded or flange connections

The safety valves made from gunmetal are designed to protect pressure tanks and pressure systems for neutral and non-neutral vapours, gases and liquids.These series are also used in steam boilers and steam plants with due consideration of plant-specific regulations and in combination with suitable valve designs and sealing materials.The areas of application of these multi-purpose safety valves with separating diaphragm between the housing and cap range from heating and air conditioning technology to mechanical engineering, boiler construction and ship building.

  • Examples of use
  • Approvals
  • Downloads

For the protection of:

  • Pressure-vessels/-systems for neutral / non-neutral vapours, gases and liquids
  • Steam boilers and steam plantstaking

into account the plant-specific regulations and making use of the suitable valve versions and sealing materials.

  • Mechanical engineering
  • Pump protection
  • Pressure booster systems water- / air-side
  • cooling-/chilling-systems
  • Steam- and industrial-boiler systems

Safety valves are set and sealed at the factory.


TÜV Type test approval 2072, 2102
D/G , F

EC type examination
S/G , L

S/G , L

S/G , L

TSG ZF001 - 2006
D/G (S/G), F (L)


Type approval ACS

Type approval WRAS

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


AD 2000 Data sheet A2
DIN EN ISO 4126-1
PED 2014/68/EU
TRD 421
ASME-Code Sec. VIII Div. 1
KGS AA 319

Suitable for
Liquidsneutral and non-neutral
Air, gases and vapoursneutral and non-neutral

1/2" - 2 1/2"
DN 25 - DN 65
-50°C to + 205°C
(depending on version)
0,2 - 40 bar 
Data sheet/Capacity table