The 4" 125# Cast Iron Flanged Swing Check Valve with Outside Lever & Weight from Service Metal Products is engineered for optimal flow control in piping systems. This valve features a robust cast iron construction, rated for 125# pressure, ensuring durability and reliability. The flanged design allows for easy installation, while the outside lever and weight mechanism enhances operational efficiency. Ideal for various industrial applications, this valve meets stringent industry standards, providing peace of mind for critical fluid management tasks.