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Library: Ø25–1,000 mm, single units up to about 52,000 m³/h — larger duties go straight to an engineer. Prefer to talk it through? Send your specs to an engineer Browse all Anti-corrosion Centrifugal Fan models with curves on the Fan Selector →

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  • Brand owner since 1990
  • Yuyao, Ningbo
  • 12-month standard warranty, extendable to 18–24 months by project agreement
  • Reply within 1 business day

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Product certificates cover only the models listed on each document — ask which ones apply to your model. ISO certificates cover management systems, not products. Declaration of Conformity for your model and destination on request.

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Test & release at LONGWELL

Specified and drawn by LONGWELL, built to our drawings by qualified partner factories, inspected and released to LONGWELL standards.

  • Wind tunnel · AMCA 210 method
  • Semi-anechoic room · sound power testing
  • Outgoing sampling to AQL 2.5
  • Test records retained for 5 years

How ordering works

  1. Spec check duty point & drawings
  2. Samples 1–3 days (stock models), fee credited to first order
  3. Validation on your bench
  4. Order T/T 30/70 (first order)
  5. Production & release 15–30 days, partner factory
  6. Shipping & after-sales FOB · CIF · DDP
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Current book for Anti-corrosion Centrifugal Fan

Anti-corrosion Centrifugal Fan

Longwell Anti-corrosion Centrifugal Fans are engineered for chemical plants, laboratories, and wastewater treatment facilities where exposure to corrosive gases or fumes is common. The fans use FRP, PP, or PVC materials to resist acid and alkali damage.
With strong mechanical stability and efficient airflow, Longwell anti-corrosion fans provide safe and reliable ventilation in aggressive environments. Their non-metallic construction extends service life while maintaining high performance.