Valve, Body Material Bronze, Factory Set Pressure 300 psi, Disc Material Not Applicable, Overall Height 4 1/2 in, Application For Prevention of Damage to Positive Displacement Pumps, Overall Length 2 1/8 in, Seat Material 304 Stainless Steel, Spring Material 304 Stainless Steel, Test Lever Test Lever Included, Standards Not Applicable. This item has been restricted from sale in the following state (s): []