Frame of filter press is made of Q235 high strength steel, much stronger, anticorrosion treatment on the surface. External size of filter plate:630*630mm, materials of filter plate:reinforced polypropylene.Cost for maintenance of fast open is lower automatically maintain pressure or mechanically maintain pressure Manual shifting plate or automatic shifting plate. Closed/open discharge Washing/blowing type drip tray device can be chosen Pistons of filter press are made by steel 45 and plated with 0.06 chromium after surface processing with feature of high hardness, anti-wearing, long lifeOperate easily by electric control cabinet of filter press.