1270mm Horticultural Greenhouse Negative Pressure Exhaust Fan - 41000 m³/h Airflow, 1.1 kW Power for Agricultural Ventilation

This horticultural greenhouse negative pressure exhaust fan provides efficient ventilation and cooling for controlled agricultural environments. The galvanized construction ensures durability and corrosion resistance in humid greenhouse conditions.

• Airtight Sealing: Ensure complete sealing around the fan unit to prevent air leakage using appropriate caulk or foam sealant
• Strategic Airflow: Close doors/windows on the fan wall and open opposite wall openings for linear airflow path
• Pre-Installation Check: Inspect for damage, secure all fasteners, and verify free blade rotation
• Clearance Requirements: Maintain 2.5-3 meter radius clearance from air outlet obstructions
• Stable Mounting: Install on level, stable surface to prevent vibration and ensure proper operation
• Motor Alignment: Verify proper motor alignment and drive belt tension after installation

• Inspect for remaining tools or debris inside the unit
• Manually rotate fan blades to check for rubbing or obstructions
• Perform operational test run to verify smooth, quiet operation
• Investigate immediately if unusual noises or vibrations occur