Jet 506803 JCP-803 80 gallon Vertical Air Compressor 175 psi maximum operating pressure for applications requiring higher air capacity and pressure Two-stage, Cast iron pump design delivers higher pressure and increased air delivery Asme-certified tanks meet strict testing and inspection standards Similar to an automotive design, Jet compressors are reciprocating, The critical components of the crankcase, crankshaft and cylinders are Cast iron for reliability and durability in demanding industrial environments