Installation Components Suspension The 6 ply suspension tab with a 2ply pad is installed on the tubing using a radio frequency fusion method at 7001000 mm depending on tube diameter This provides the strongest suspension system in the industry with a large heavy duty grommet installed into the 6 plies of material A carabiner 7mm heavy duty snap hook is installed onto the grommet that will in turn be snapped onto a messenger cable 3 rows of suspension points Fan Steel Duct Adapters The Belt Ratchet is manufactured 4 larger than the fan or steel duct in order to go over flange ie for 36 fan 40 BR x 36 SnapRoc The belt ratchet provide for a good seal in lieu of carry strap or other means Lateral Wye Fittings The lateral wye is located where the main air supply is to continue along a ramp or drift The branch exits the fitting to the left or the right The pantleg wye is located where the main air is split at 45 degrees to the centre into two equal branches Reducers The reducers provide a proper transition from one size to another for better flow of air ROCVENT INC MINE TUNNEL VENTILATION 26 wwwrocventcom