Intended for connection to roof hood and roof fan. Available with various types of insulation for condensation or fire protection. Two fixing profiles are supplied to suit the root pitch.
The upper connection in sizes 100-315 suits roof hood HN, for example.
The upper connection in sizes 400-1200 is supplied without flange and is made so that you can use the enclosed mating flange from roof hood HF for instance.
TGR can as addition be provided with two through-connections for electric power and control voltage.
TGR is manufactured as standard from galvanized steel sheet Z275, but is also available in aluminium zinc AZ 185, stainless steel 2333, stainless acid-resistant steel 2343 or painted.
The duct connection is supplied with RJFP joint for guiding.