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This European Standard specifies requirements and describes test methods for flexible and rigid connectors used in CO2 -, Inert Gas- or Halocarbon gas fire extinguishing systems. This European Standard is applicable to connectors used: -- between container valves and the manifold (type 1 and type 5 connector); -- in pneumatic pilot lines (type 3 connector); -- in distribution pipework of fire extinguishing installations downstream of the manifold/selector valve (type 2 or type 4 connector).