Access doors and cleanout elements consist of a line of products enabling inspection
and cleaning of ventilation ducts.
Among them, there are: MSFK sealing clamping rings made of galvanized sheet with
a sealing of polyurethane foam in the diameter range from 80 to 400 mm, cleaning bends
with access doors, blanking plugs for revision bends and T-pieces as well as
a system of FLT flange connections and FLKT clamps which are mounted in round ducts
and fittings to enable their fast assembly and disassembly.