A unique line of low pressure, high index Lite Pressure Stock Springs are designed to provide 1 to 5 psi in large diameters. Common applications for these soft springs can include syringes, relief valves, check valves, dispensers, and pistons. This series is offered only in passivated, ultrasonically cleaned Type 316 stainless steel to satisfy most potential requirements.There are 600 designs in wire diameter ranging from 0.008 through 0.072 in. and in outside diameters ranging from 0.218 up to 1.58 in.