NIBCO’s Fig. T/S-1880-DU automatic balancing valves provide the solutions for a wide range of application requirements to ensure a balanced HVAC system. The automatic valves are dezincification-resistant and are offered in both solder and threaded ends. The valves are available in sizes 1/2” through 2” and feature double union ends with PSI ranges from 125-300, maximum temperature ranges from 250-260° F, while each valve is equipped with two test points for differential pressure measurements. NIBCO.