... specialized matching applicaiton for screw air compressors Descriptions :1.mechanical seal/grease seal /oil seal/screw air compressor parts2.Available for ... Working Conditions1.medium: mineral oil,synthetic oil,grease,water,acid,alkali,dissolvent,gasoline etc.;2.temperature range:- ... , which is specialized in the mechanical seal of screw air compressor for many years ,capable in producting all kinds ...