This alarm box has a manual/combined valve for the release of two disposable CO2 bottles. The first bottle for the SHE function OPEN can be released manually and electrically, the second bottle for the SHE function CLOSE only manually.
The valve is located behind a glass sheet that is to be smashed in the event of an alarm. The box itself is made of aluminium profile with sheet steel covers and complies with VdS specifications.
The box is connected with bulkhead fittings for OD 6 mm pipe, but also available for 8 mm pipes.