Gas valves

Safety relief valve

Type 11 / Type 12
Operating range:
Max. inlet pressure:
Temperature range:

0.03 bar - 8.0 bar
up to 25 bar
-15 °C to +60 °C
according to Pressure Equipment Directive 97/23/EC
DIN 33821


The safety relief valve Type 11 has the task of automatically releasing a gas flow from a pressurised line as soon as the pressure in the system to be protected increases to reach the specified response pressure. The safety relief valve closes automatically when the pressure in the system to be protected drops below the response pressure again.
It can be used for all gases according to DVGW work sheet G260.


• Safety relief valve with spring-loaded measurement mechanism
• High response accuracy
• Can be installed in any orientation

• Type 12 with internal…
• No external ...line required

Appropriate special designs are available for other gases.