The U-Type with UST Tensioner is made from heavy-duty, powder-coated steel. The self-contained UST Spring Tensioner maintains low, uniform blade pressure across width of belt and allows for visual tension inspection.SpecificationsUST Spring TensionerMaximum Belt Speed:C-Blade/F-Blade: 1300 fpm (6.6 m/sec)F-Blade: 1000 fpm (5.0 m/sec)Temperature Rating: -30 F to 180 F (-35 C to 82 C)Usable Blade Wear Length:C-Blade: 3/8" (9 mm)F-Blade: 1-3/4" (44 mm)Blade Materials:C-Blade: Impact Resistant Tungsten Carbide with Rubber Backer (works with mechanical fasteners)F-Blade: Urethane 90 durometerPole Diameter:18" to 60" cleaners: 2-3/8" (60 mm)72" to 84" cleaners: 2-7/8" (75 mm)Available for Belt Widths: 18" to 96" (450 to 2400 mm)InstallationPole Length:Cleaner size up to 60" (1500 mm): Belt width plus 46" (1150 mm)Cleaner size 72" and up (1800 mm): Belt width plus 52" (1300 mm)For longer requirements, see Pole Extenders under Belt Cleaner Accessories.Horizontal clearance required: See specification chart; varies by cleaner sizeVertical clearance required: 5" (250 mm)