In-line design Bypass/Pressure Relief Valves are specifically designed for use with the Ebsray line of regenerative turbine pumps and are well suited for a variety of LPG and autogas services. These valves feature an adjustable differential pressure is attained for accurate and repeatable performance in return-to-tank or bypass systems. This enables full pump flow while maintaining controlled preset maximum pressure. The RV18 valve is a 1 inch model bypass valve.