... filer plate, tension bolt, oil pump and pre-filter is used to reduce the impurities going into oil pump ... the pressure, the crud oil going through the filtering clothe, and coming out from the pipe under the filter plate, ... clothe, realizing the filtering operation.6LB-250NO.of filter platesDimensions of filter plateWorking pressureProduetivityPowerDimensionsWeight17Peices250×250 (mm)0.5 MPa50-100 ...