Ke58a Vacuum tube: 58x1800mm Inner tank: stainless steel 304 2b food grade Outer tank: aluminum galvanized sheet Folded from mould with powder painting Outer tank dia.460mm Frame: aluminum with anti-oxidation treatment Insulation: 50~60mm polyurethane total forming with pressure and best density 40kgs/m3 Available sizes: 18, 20, 22, 24, 28, 30, 36 Tubes with capacity 135l up to 325l
