Utilizing a new cushion design, the HV2 improves on the H-Type, which has proven performance over 20 years. The new design incorporates torsion element design and cushion adjustability so no shimming is required to ensure proper blade-to-belt contact.SpecificationsMaximum Belt Speed: 1500 fpm (7.5 m/sec)Temperature Rating: -30 F to 180 F (-35 C to 82 C)Usable Blade Wear Length: 3/8" (9 mm)Blade Material: Long Life Tungsten Carbide (for vulcanized belts only)HV2 Protected V-Tips & S/S Shields also availablePole Diameter: 2-7/8" (73 mm)Belt Widths: 18" to 72" (450 to 1800 mm)InstallationPole length: Cleaner size 48" (1200 mm)Horizontal clearance required: 7" (175 mm)Vertical clearance required: Determined by suspension arm size. See specification chart.