The Herz ZWR6JV is a genuine Herz Armaturen regulating damper, also identified by article number 1421977. Designed for air handling systems, this AF DN200 damper features a nominal diameter of 200 mm and is equipped with a 1 1/2 inch (38.1 mm) square drive for actuator connection. Constructed from galvanized steel plate for the damper and shaft, with plastic bearings, it ensures reliable performance. It is rated for a maximum operating temperature of 100 °C and a maximum operating pressure of 1000 Pa, meeting leakage rate class 2 according to EN 1751. The damper has an overall length of 198 mm, a width of 200 mm, and a total height of 160 mm, weighing 1.5 kg.