Type test approved safety valves angle-type
for industrial applications Series 6450

Rueckruf EN

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

The technical features of the valve series 642 and 645 form the basis of the extended product range in which connection flexibility and corrosion resistance are paramount. The two-piece construction of the valve housing allows many different connection types to be used on the valve inlet. The inlet nozzles and the inner parts coming into contact with the media are made from highly corrosion-resistant stainless steel, which enables the valves to be used in an even wider range of applications. 

  • Examples of use
  • Approvals
  • Downloads

For the protection of:

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

taking 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 
D/G , F

EU type examination
S/G , L

S, G , L

S, G , L


Type approval WRAS

Type approval ACS


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"

-50°C to + 205°C
(depending on version)
0,5 - 16 bar 
Data sheet/Capacity table