Check Valve, 5/8 x 3/4 Price For: Each Material: Brass Spring Material: Stainless Steel Inlet (In.): 5/8 Hex Size (In.): 1-3/16 Mounting: In Tank Flow Range Free Air (CFM): 0 to 30 Cracking Pressure (PSI): 1 Application: Air Compressors Poppet: Glass Filled PTFE Max. Pressure (PSI): 500 Type: In Tank Outlet (In.): 3/4 Max. Temp. (F): 450 Length (In.): 2-3/4 Item: Check Valve Country of Origin (subject to change): United States