Vibro Sifter/ vibrating screen/ vibrating separator. 1. Diameter: From 400mm to 2000mm, 800mm, 1000mm and 1200mm are most popular models. 2. Machine material: (Contact parts and non-contact parts)--SUS304, SUS316L or carbon steel. 3. Layers: 1-4 layers (One layer normally mean one mesh) 4. Surface treatment: mirror polishing, sandblast ...