... and energy saving, long service life. FEATURESSK Screw Air Compressor adopt Italy PRACTIKO PACK system, this system is ... valve, oil returning checking, safety valve, compressor nose, air and oil bucket and accordingly connections, the dimension ... teeth, and negative rotator with five teeth small drop height and lower reflow loss, efficiency 10 ... 132242320181322850×1900×20003300 SK screw air compressor