The United Randleman 2" NPT Spring-Lift Check Valve (AJ) is an industrial backflow-prevention device that uses a spring-loaded lift mechanism to seal against reverse flow. It carries 125 WSP and 200 WOG ratings, indicating its working pressures and service compatibility for inline piping applications. With 2" NPT connections, this valve is designed for reliable inline installation where fast, positive shutoff is required to protect downstream equipment.
