The fan blades are made of Krupp stainless steel by punch forming, ensuring no dust, attractive appearance, and durability. The special blade shape design ensures large air volume, no deformation, no breakage, and consistent air volume. Both Chinese famous motors and Siemens motors are available, with customizable voltage and frequency. The Chinese famous motor has a special design for fans, featuring a phase lack protection device that powers off during electricity shortages. The motor protection grade is IP55 with insulation class F. The fan belt pulley is made of high-strength aluminum-magnesium alloy by die-casting, reducing weight while maintaining high corrosion resistance. The special reinforced ribs pulley design eliminates internal stress to improve rigidity and stability, ensuring it never breaks.
