The 18" 125# Cast Iron IBBM Flanged Swing Check Valve by Service Metal Products is a high-performance solution for flow control in large-scale systems. With a pressure rating of 125#, this valve is built from durable cast iron, providing excellent resistance to wear and corrosion. The flanged design allows for easy integration into existing piping systems, while the swing check mechanism effectively prevents backflow. This valve is suitable for a variety of applications, including municipal water systems and industrial processes, and adheres to industry standards for quality and reliability.