The Consolidated Dresser 1-1/2 150PSI Relief Valve 1905-00GC-1-CC-TD-34-RF-SS-HP is a manually operated relief valve designed for industrial applications. Made from durable cast iron, this valve features an inlet diameter of 1 1/2 inches and an outlet diameter of 2 inches. With a pressure rating of 150 PSI, this valve is essential for controlling and regulating the flow of liquids or gases in various industrial systems. The Dresser brand ensures high quality and reliability in this critical component for maintaining system safety and efficiency.