Series 375, 500, 750, 1000, 1250, 1500 and 2000 heavy-duty Mechanical Float Valves are used in commercial, industrial, and agricultural applications for controlling high capacity water flow and can be tank wall-mounted. It has a bronze body construction with a machine flange on the inlet side (sizes 1 to 2 in. (25 to 50mm) have female NPT pipe threaded inlet connection), and male straight-pipe threaded for locknut on the outlet side. It has serrated arms for easy adjustment of water level, bronze long and short arms, replaceable seals, and no-jam single lever action. This series is ideal for use in air conditioning, refrigeration, and irrigation systems. Maximum Pressure: 165psi (11.4 bar).