Pneumadyne's Pilot Operated Cartridge Valves offer a high flow rate in a compact package. Designed for integration in a pneumatic circuit’s valve block, these .250 inch and .500 inch orifice valves can be used as either a 2-Way or 3-Way function. Our exclusive PneuTef™ plating process allows the valves to be used in both lubricated and non-lubricated air applications.