Steel Hinged Bellmouths are inserted into ducts and secured in position with an expansion bolt. The bellmouth minimises damage to the cable and the duct edges during cable laying operations.  Standard sizes are below, all sizes are available with a guild roller fitted,  simply add an “R” after the code ie SB1R

              SB1 55-63mm      
              SB2 76-82mm
              SB3 89-95mm
              SB4 97-104mm
              SB5 115-124mm
              SB6 146-155mm.

              Specials upto 300mm are available on request