Air bubble generator with diaphragm and the air tank containment prevent fluid to tank

Air bubble generator with diaphragm and the air tank containment prevent  fluid to tank

Air bubble air bubble generator generator called, is mounted on the tank top plate of the tank wall ring for oil tank when the spray foam fire extinguishing installations. Vents with a thin glass (or diaphragm) and the air tank containment, serve to prevent fluid or gas into the tank room or fire foam piping role.
Connection: flange and screw