Ss430 Blade Low Noise Heavy Hammer Exhaust Fan for Greenhouse Temperature and Humidity Control

Ss430 Blade Low Noise Heavy Hammer Exhaust Fan for Greenhouse Temperature and Humidity Control. Customized Voltage Options: Available in 220V, 380V, and fully customized voltage/frequency (50-60Hz) for global use. Durable Blade Materials: Blades made from 430 Stainless Steel, Galvanized Sheet, or Aluminum Alloy for long life. Waterproof Bearing Design: Imported double-row bearings with special waterproof design prevent water entry. Energy Efficient Motors: Pure copper wire motors with high efficiency, energy-saving, and phase failure protection. Automatic Shutter System: Shutters open/close automatically to prevent dust entry and ensure 90-degree full opening. Corrosion Resistant Parts: Guide rods and rivets made of 304 Stainless Steel to prevent rust and wear. Durable Belt Drive Options: Modified B-type belts increase service life 3 times compared to Type A1 belts.