The Nelson SR090809 is a genuine Nelson Irrigation pressure regulator designed to maintain a constant outlet pressure of 1 Bar (15 PSI) regardless of fluctuations in inlet pressure. This ensures optimal performance and longevity of irrigation components. Featuring 3/4 inch Female Pipe Thread (FPT) inlet and outlet connections, it is suitable for a wide range of agricultural and landscape irrigation applications. Constructed from durable, high-strength engineering plastic, this regulator can handle a maximum inlet pressure of 8.6 Bar (125 PSI) and operates efficiently within a flow range of 0.23 to 3.41 cubic meters per hour (1 to 15 GPM).