Hydraulic Centrifugal Extractor for industrial washing(GZ-630) 1 hydraulic start-up 2 made ... stainless steel 3 size: 630x300 Hydraulic Centrifugal extractors are suitable for hotel, restaurant, hospital, large & middle size enterprise to extract water ... made of cotton, wool, chemical fiber. They are also suitable for mining and grease Industry, pickled plant and winery, etc. With 3 ...