Gaseous fire extinguishing systems container valve of area decompression function

The utility model relates to a gaseous fire extinguishing systems container valve of area decompression function. The inside accent of going up of present container valve adopts seal ring sealed, results in adjusting the rate of discharge, can't reach pressure -relief. The utility model discloses a valve body, its characterized in that set up the piston rod in the valve body, the upper portion of piston rod sets up spring and piston, the top of valve body sets up the tee bend intake pipe, and intake pipe upper portion sets up two air inlets, intake pipe lower part intercommunication valve body inner chamber, and air inlet department sets up safe clamping ring and safe plug screw, and the lower part of safe clamping ring sets up the rupture disk, the upper end of piston rod sets up anaerobic type thread locker. The utility model discloses improve the container valve in existing market part structure, the container valve is just gone up in bottle group can effectual regulations outlet pressure, need not bottle to organize a pressure through the regulation of the pressure relief device of system. The cost has been practiced thrift to the complicated process of pressure regulating has been reduced.