This 1/2 in heavy-duty mechanical float valve is used in commercial, industrial and agricultural applications for controlling high capacity water flow and can be tank wall-mounted. It is ideal for use in air conditioning, refrigeration and irrigation systems. This valve has a bronze body with a machine flange on the inlet side with 1/2 in male pipe threaded inlet connection and male straight-pipe threaded for locknut outlet connection. Includes locknut and gasket for bulkhead mount. It has serrated arms for easy adjustment of water level, bronze long and short arms, replaceable seals and no-jam single lever action. The maximum pressure is 165 psi. WATTS® Mechanical Float Valve, Heavy Duty, 1/2 in Nominal, Flange x MNPT, 20 to 31 gpm, 165 psi, Bronze Body, Wall Mount, 180 deg F, 3-1/2 in L x 2 in H, Import