1.Material of inner tank chest is imported food grade SUS304/2B with 0.4mm thickness 2.Material of outer tank shell is imported colorful armor plate 3. Capacity of Ø47–1500mm: 6L/tube capacity of Ø58–1800mm:9L/tube 4.Support material :galvanizes the steel plate,thickness :1.5mm 5.Heat insulating layer:55mm polyurethane foaming 6.Ø47–1500mm: Size of inner tank chest Ø320,Size of outer tank shell is Ø420 7.Ø58–1800mm: Size of inner tank chest Ø360,Size of outer tank shell is Ø460 8).Pattern of water tank: Inflow side 9).Heat preservation: 72 hours 10).Hail resistance: 20-30mm 11).Standard pressure: 0.6 Mpa 12).Fastness: stainless steel screws 13).Seal: silicone rubber polymer 14).temperature heat: 45-95 degree Celsius 15).reflect:38- 45 angles