Description Rieter Open End Model: BT 923 Diameter of rotor: 33 mm Number of positions: 320 (both sides) Year: 2005 Width of tube: 160 mm Diameter of can: 400 mm Height of can: 910 mm Elitex Open End Type: BD-SD Diameter of the rotor: 34 mm Number of positions: 192 total (on both sides of the machine) Year: 2000 Year: 1998 (no plate info) Year: maybe 1998 Width of tube: 170 mm Diameter of can: 400 mm Height of can: 900 mm Elitex Open End Type: BD-SD Year 1997, rotor diameter: 450 mm Year 1999, rotor diameter: 550 mm Year 1997, rotor diameter: 330 mm Year 1998, rotor diameter: 450 mm Year 1998 (no plate information) Width of the tube: 170 mm