What is DN15?

DN15 refers to a nominal diameter of 15 millimeters in the context of pipes and fittings, commonly used in Plumbing and piping systems. The "DN" stands for "Diameter Nominal," which is a standard used to denote the size of the pipe regardless of its actual internal diameter. DN15 is typically used for various applications in water supply, heating, and gas systems. The actual internal diameter can vary depending on the pipe material and standard used.