The 5" 125# Cast Iron Threaded Companion Flange (CI THRD COMPANION FLANGE) from Service Metal Products is designed for easy connection in piping systems. Constructed from durable cast iron, this flange offers excellent resistance to corrosion and wear. With a pressure rating of 125#, it is suitable for various applications, including HVAC and plumbing. The threaded design allows for straightforward installation and compatibility with other threaded components. This flange meets industry standards, ensuring a reliable and secure connection in your piping systems.