The Danfoss AB-QM 4.0 DN15 (part number 065Z2044) is a high-performance pressure independent balancing and control valve designed for precise flow control in HVAC heating and cooling applications. This genuine Danfoss valve ensures optimal system performance and energy efficiency by maintaining a constant flow regardless of pressure fluctuations. Featuring a robust DZR brass body and stainless steel stem, it is suitable for water and water/glycol mixtures up to 50% within a media temperature range of -10 to 120 °C. With a nominal diameter of DN15 and a flow range of 0.04-0.4 l/s, it offers reliable and accurate control. The valve has a PN16 pressure rating and G 3/4 A external thread connections.