... High pressure 2 stage compression,portable diesel screw air compressor LGCY-39/25,39m3/min 650L/s 1393cfm,25bar 362.5psi. ... Portable Diesel powered screw air compressors are widely used in ... throttle to maximize savings fuel.Microcomputer: intelligent control air compressor working pressure, outlet air temperature, the engine speed, oil pressure, water ...