... W21.7*14,Dip tube thread:M10*1,placed chrome valve for fire extinguisherCE approval,Inlet Thread:PZ27.8*14,Outlet ... 14,Dip tube thread:M10*1,placed chrome CE approval,Valve for CO2, Inlet Thread:PZ27.8*14,Outlet thread:W21. ... 315mmextinguisher weight:3.7kgfilling weight:2kgtemperature range:-20oC~+60oCmax working pressure:16bartest pressure:29barmin wall thinkness:1.2mm valve for fire extinguisher