This CASH ACME EB45 Pressure Regulator is a reliable and durable valve suitable for use in various applications. It has a 1/2in size  NPT thread, making it easy to install and use. The regulator is designed to provide accurate pressure control and is suitable for use with a wide range of fluids. This valve is ideal for use in air control valves, valves and manifolds, and hydraulics, pneumatics, pumps, and plumbing applications. Set at 45 PSI adjustable 20-70 PSI