Project Equipment offers 10-30 ATMG Range of Pressure and Temperature Switches. Project Equipment offers valves, pipes, tubes, pipe fittings, etc. The 10-30 ATMG Range of Pressure and Temperature Switches feature 3/8 inch BSP Male Size. These switches are used in power plants, petrochemical plants, chemical plants, steel mills, water treatment plants, pulp and paper mills, diesel locomotives and machine tools.