Witness LONGWELL’s commitment to quality! This video demonstrates the rigorous performance testing of our EC external rotor backward-curved centrifugal fan (Model: LWBE3G190-072NS-06) on our advanced Fan Performance Test Bench. We accurately measure airflow (68-3500m³/h), static pressure (0-3000Pa), power, RPM, and efficiency to ensure every fan meets the highest standards.
As a manufacturer since 1990, LONGWELL offers EC/AC/DC fans trusted globally. Fans are tested to AMCA 210/211 methods (third-party reports on request); CE (LVD/EMC), RoHS, REACH and ErP compliance; ETL/UL on selected models; ISO 9001/14001/45001 certified factory.