This machine is used to produce the spiral filter cores instead of traditional process. It rolls in the galvanized coil sheet to form by extrusion and then to be seamed together and cut as per requested length. Output: 20 - 25 Pieces/minute Spiral filter core diameter: 30 - 110mm Spiral filter core length: Adjustable Metal sheet thickness: 0.25 - 0.40mm Motor power: 3KW 380V Weight: 800KG Machine Dimension:3500 x 800 x 1380mm