... 5 best price,high efficiency Solid-liquid separation machine recessed filter press in chemical, metallurgy, pharmaceutical, light industry, coal ... treatment on the surface.1.External size of filter plate:500*500mm,2.materials of filter plate:reinforced polypropylene.3.automatically ... plate ,Closed/open discharge5.Washing/blowing type6.Pistons of filter press are made by steel 45 and plated with ...