This European Standard specifies requirements and test methods for non-electrical disable devices for CO2,Inert gas- or Halocarbon gas fire extinguishing systems.
Examples are:
a) an isolating valve in the pipework to the flooding zone or in a pneumatic pilot line;
b) a device blocking the actuator at the bank of containers or the container valve in single-zone installations or the actuator of selector valves in multiple-zone installations.