Al2O3 ceramic rotary valve for textile machine 1.wear-resistant 2.anti-high temperature 3.mechanical seals ... suzhoujingci com. Materials 99.5% Al2O3, ZrO2Applications fieldsAll kinds of filling machines, including Pharmaceutical, Beverages, Cosmetics, Chemical, Pesticides, Dairy..The volume ... 0.05Fit clearance0.005 Al2O3 ceramic rotary valve for textile machine