Valve, Body Material Nylon, Factory Set Pressure 250 psi, Disc Material Not Applicable, Overall Height 5 1/4 in, Application For Prevention of Damage to Positive Displacement Pumps, Overall Length 2 1/8 in, Seat Material 304 Stainless Steel, Spring Material Steel, Test Lever Test Lever Included, Standards Not Applicable. This item has been restricted from sale in the following state (s): []