Flange diameter: 280mm, Suitable for: Combi storage tank, blind flange (enameled on the inside) for optional sealing of the flange opening. Design: Outside diameter 280 mm, screws with insulating sleeves, seal, cover with thermal insulation. Can be used for devices: SB 602 AC-1002 AC, SB 650/3 AC Blind flange (enameled on the inside) for optional sealing of the flange opening. Design: Outside diameter 280 mm, screws with insulating sleeves, seal, cover with thermal insulation. Can be used for devices: SB 602 AC-1002 AC, SB 650/3 ACBlind flange (enameled on the inside) for optional sealing of the flange opening. Design: Outside diameter 280 mm, screws with insulating sleeves, seal, cover with thermal insulation. Can be used for devices: SB 602 AC-1002 AC, SB 650/3 AC