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This article systematically outlines standardized methods and on-site acceptance criteria for fan performance testing, covering key indicators such as flow rate, pressure, efficiency, power, and sound

An axial flow fan is a ventilation device that uses rotating blades to propel airflow along the axis of the fan. Widely used in mines, industrial plants, tunnel exhaust, and large workshop ventilation

This article analyzes three typical fan accident cases to reveal the causes of vibration and noise hazards, and proposes prevention strategies from dynamic balancing, foundation design, and vibration/

Explosion-proof motors are the core power units for critical equipment in flammable and explosive environments. Proper selection, standardized wiring, and scientific maintenance effectively prevent sa

A centrifugal fan is a ventilation device that draws gas into the impeller center and, through high-speed rotation, throws it to the outer edge, where a scroll housing or diffuser accumulates pressure

1. Definition & BackgroundA Variable Frequency Drive (VFD) energy-saving fan integrates a frequency converter between the fan motor and power source, dynamically adjusting motor speed according to sys