The Herz 1721771 is a genuine 3-way control valve, meticulously engineered for precise flow regulation within heating, ventilation, and air conditioning (HVAC) systems. This robust brass valve features a nominal diameter (DN) of 15 and a kvs value of 2.5 m³/h, ensuring efficient and controlled operation. It is designed with a G 1/2" external thread connection, capable of withstanding a maximum operating temperature of 110 °C and a maximum operating pressure of 16 bar. Its 6.5 mm stroke and a low leakage rate of less than 0.05% of kvs guarantee reliable and consistent performance.