Fire Wet Alarm Valve
When protected area happens fire disaster, environmental temperature increasing, temperature sensitive parts on sprinkler head, i.e, glass ball, acting, seal set falling off, it will auto-matically start system. And then it will directly spray water to fire disaster happening area and also emit alarm signal to alarm, to put out fire and to control fire conditions.
Corresponding parameter on connection
Bolt through hole
Flange External Diameter
Flange plate screw centre distance