Rapid Controls Pvt. Ltd offers Series Flow Switches for Fire Fighting. Rapid Controls Pvt. Ltd also offers Actuators, valves and Thermostats. Series Flow Switches for Fire Fighting are designed specially for use in water line of Fire Fighting extinguisher system. Series Flow Switches for Fire Fighting is made up of S.S. Sheet pedal for pipe Dia of 2" to 6". It`s easy to install directly on the water line with the help of a clamp. It can be installed in vertical or horizontal position depending on the space available