... rude oil, mainly match with 6YL series oil press. Working principle The machine is made up by front and erar ... machine base, filer plate, tension bolt, oil pump and pre-filter is used to reduce ... filtering clothe, realizing the filtering operation.6LB-250NO.of filter platesDimensions of filter plateWorking pressureProduetivityPowerDimensionsWeight17Peices250×250 (mm)0.5 MPa50-100 ...