The HERZ 403501 is a genuine two-way flanged control valve designed for accurate flow regulation in heating, ventilation, and air conditioning (HVAC) systems. Featuring a robust cast iron body, stainless steel stem, and brass cone, this valve ensures durability and reliable performance. With a nominal diameter (DN) of 15 and a pressure rating of PN16, it is suitable for operating temperatures from -10°C to 150°C. The valve has a Kvs value of 0.25 m³/h, making it ideal for applications requiring precise control. Its flanged connection adheres to EN 558-1, Series 1 standards, with a face-to-face dimension of 130 mm.