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Tired of weak fans failing in harsh US warehouses? Our exhaust fan with flaps delivers automatic backdraft protection and reliable airflow for operations managers demanding ROI.
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As a purchasing manager in the USA, you face rising energy costs and unreliable ventilation. Here's what hurts your operations:
Ready to fix these? Discover our solution below.
From Hebei Longxuan's state-of-the-art factory, our fiberglass reinforced plastic (FRP) exhaust fan with flaps beats competitors on price, service, quality, and China's efficient supply chain.
| Parameter | Specification |
|---|---|
| Material | FRP (Fiberglass Reinforced Plastic) |
| Diameter | 300-1600mm |
| Airflow (CFM) | 5000-100,000 |
| Static Pressure | 50-500 Pa |
| Flap Mechanism | Automatic Gravity-Close |
| Power | 0.37-15 kW |
| Noise Level | <70 dB |
Applications: Warehouses, factories, greenhouses, livestock farms. Case Study: US Midwest warehouse cut ventilation costs 37% with our 1000mm model.
"Switched to Longxuan's exhaust fan with flaps – reduced energy bills by 28% in our NJ factory." – Mike R., Operations Manager, US Manufacturer.
Certifications: CE, UL-Listed Equivalent, RoHS, ISO 9001, CCC – Fully compliant for US imports.
Fiberglass-Flange Y-Type-Strainer
A ventilation fan with automatic backdraft flaps that close when off, preventing reverse airflow – ideal for industrial exhaust fan with flaps in warehouses.
Contact us for MOQ 5 units, T/T or L/C payment, FOB/CIF to US ports. Get quote.
Yes, full OEM/ODM for sizes, voltages (110V/60Hz for USA).
7-14 days production + 20-30 days sea freight to West Coast USA.
2-year warranty, free spares, remote tech support via WhatsApp.
CE/RoHS certified, meets UL standards – no customs issues.

Order now for 10% off first batch, free samples on 10+ units, 100% money-back guarantee. Ships in 7 days!
Email: longxuanfrp@gmail.com | Privacy Policy: Fully GDPR/CCPA compliant.
Sarah L., Supply Chain Manager, Texas Warehouse
"Best exhaust fan with flaps we've used – flaps seal perfectly, no more backdrafts. Saved 35% on power!" ★★★★★
Tom K., Operations Director, California Factory
"Quality beats US brands at half price. Fast delivery too. Highly recommend for heavy-duty ventilation." ★★★★★
David M., Purchasing Manager, Florida Greenhouse
"FRP construction handles humidity perfectly. OEM customization was spot-on. 5 stars!" ★★★★★
Lisa P., Technical Director, NY Plant
"Reliable industrial exhaust fan with flaps. Compliance certs made import easy." ★★★★★
Customization can include size, material, structure, surface treatment, color, performance parameters, and packaging based on customer requirements.
Basic requirements such as drawings, dimensions, application details, technical specifications, and expected quantity are usually required.
Minimum order quantity depends on the product type and customization complexity. Please contact us for specific MOQ details.
Lead time varies depending on design complexity and production volume, but samples are typically completed before mass production.





Address
20 Xingyuan South Street, Zaoqiang County, Hengshui City, Hebei Province, China