Project Equipment offers 4-17 ATMG Range of Pressure and Temperature Switches. Project Equipment offers valves, pipes, tubes, pipe fittings, etc. The 4-17 ATMG Range of Pressure and Temperature Switches feature 3/8 inch BSP Male size. It can be used in chemical plants, power plants, pulp and paper mills, steel mills, petro chemical plants, water treatment plants, diesel locomotives and machine tools.