The 2-1/2" 125# Cast Iron Threaded Companion Flange from Service Metal Products is designed for secure connections in piping systems. This flange is made from durable cast iron, ensuring strength and resistance to corrosion. With a pressure rating of 125#, it is suitable for various industrial applications. The threaded design allows for easy installation and compatibility with other components. This companion flange meets industry standards for quality and performance, making it a reliable choice for professionals in plumbing and industrial sectors.