... SUS304-2B,thickness:1.2-1.5mm,normal working pressure:6bar,test pressure:12bar3.dust ring gasket ... .working pressure:normal working pressure:6bar,test pressure:12baradvantages:1.can be operated completely automatic if connect with intelligent controller. ... 2.Simple structure,easy plug-in installation,can be installed both in flat and inclined roof,and can be use with ...