Project Equipment offers 0-300 CMWG Range of Pressure and Temperature Switches. Project Equipment offers valves, pipes, tubes, pipe fittings, etc. The 0-300 CMWG Range of Pressure and Temperature Switches are used in chemical plants, power plants, petro-chemical plants, pulp and paper mills, steel mills, water treatment plants, diesel locomotives and machine tools. It features 3/8 inch BSP Male size.