Fill in the required airflow and total pressure and the system filters every available model, returning the recommended fan with its actual duty point, efficiency, shaft power, speed and the way that speed is realised.
Strict match gate：A model matches only when both airflow and pressure meet the duty; when nothing matches strictly the result says so instead of quietly recommending an undersized fan
Duty point and efficiency：Airflow, pressure, shaft power, efficiency and speed at the real operating point, plus how the speed is achieved (VFD frequency or pulley ratio)
Optional filters：Narrow candidates by fan type, category, drive type and application tags (explosion-proof, fire, corrosion, high temperature)
FAQ
Can I compare several models?
Yes - the result lists multiple candidates and each one opens with its performance map and duty points.
Guangzhou XIN FENG Co., Ltd. · Industrial Fan Selection System