FireDos GmbH is a German company, known as the manufacturer of water driven foam proportioners for stationary and mobile applications. One of the main advantages of the FireDos foam proportioners is the possibility to do commissioning and test of the mixing rate on site, without creating premix. FireDos GmbH offers foam proportioners from 500 lpm till 20000 lpm, for sweet water as well as for sea water. All FireDos proportioners are approved by FM, VdS and others. A second product line is extinguishing monitors for water, foam and powder for stationary and mobile applications. These monitors can be mechanical or electrical actuated. The product range covers flow rates from 1000 lpm till 40000 lpm. The FM approval for the monitors is available.