This Watson McDaniel Type R Relief Valve is a brand new product that is capable of providing reliable relief in various applications. The valve has an inlet and outlet diameter of 1 1/2 inches, making it suitable for use in hydraulics, pneumatics, pumps, and plumbing systems. With a spring range of 75-300, this valve ensures efficient and safe relief in high-pressure environments. As a product of Watson McDaniel, customers can rest assured that this relief valve is made of high-quality materials and designed to withstand harsh conditions. It is an essential component for anyone looking to improve their system's efficiency and safety.