3-Groove Aluminum Fan Pulley (20" Diameter) - Lightweight Performance

This 20" aluminum fan pulley revolutionizes cooling tower efficiency by reducing rotating weight by 60% compared to cast iron! Less weight means less stress on bearings, motors, and belts - extending the life of your entire drive system. \n \nAluminum Advantages: \n \n 60% lighter than cast iron \n 3-groove B-section design \n 20-inch precision diameter \n Aircraft-grade aluminum alloy \n Corrosion-proof construction \n \nPerformance Benefits: \n \n Reduces motor starting load \n Extends bearing life 2-3x \n Improves belt life 40% \n Lower energy consumption \n Easier installation handling \n \nSmart Investment For: \n \nEnergy efficiency upgrades, bearing/belt life extension, older motors needing load reduction, and any cooling tower where reducing rotating mass improves reliability.