The United 200WSP 400WOG Check Valve is a high-quality industrial solenoid valve designed for use in various applications requiring reliability and durability. Made from brass with a WOG rating of 400 psi, this valve ensures exceptional performance and longevity. With a 1" diameter and female design, this check valve is perfect for controlling the flow of fluids in a range of industrial systems, making it a valuable component for businesses in the hydraulics, pneumatics, pumps, and plumbing industries.