Industrial Ventilation Fans Manufacturer
Nantong Nanyang Fan Manufacturing Co., Ltd. manufactures axial, roof supply/exhaust, inline duct, and heavy-duty wall-mounted ventilation fans for factory workshops, warehouses, commercial buildings, and agricultural facilities. Produced under ISO 9001 quality management, our ventilation units provide measurable air exchange rates, pressure characteristics, and noise compliance for HVAC contractors, OEM partners, and industrial facility administrators.
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Fan Selection
|
Fan Category / Configuration |
Airflow Range (m3/h) |
Static Pressure (Pa) |
Impeller / Housing Material |
Primary Application Scenario |
Drive / Motor Protection |
|
Wall-Mounted Axial Fan |
2,000 - 85,000 |
50 - 250 |
Cast Aluminum / Galvanized Steel |
High-volume wall exhaust for factories, warehouses, and greenhouses. |
Direct Drive / IP55, Class F |
|
Inline Circular/Rectangular Duct Fan |
300 - 15,000 |
150 - 900 |
Galvanized Sheet Steel / Plastic |
Ducted supply/exhaust for commercial offices, restrooms, and indoor venues. |
Direct Drive / Sealed Bearing |
|
Roof Ventilator (Supply / Exhaust) |
1,500 - 110,000 |
100 - 650 |
FRP / Aluminum / Stainless Steel |
Roof-top heat and fume extraction, general building pressure balancing. |
Direct or Belt Drive / IP55 |
|
Portable / Vane Axial Blower |
1,200 - 25,000 |
200 - 1,200 |
Powder-Coated Carbon Steel |
Confined space ventilation, tunnel air supply, temporary spot cooling. |
Direct Drive / IP54 or Ex d |
|
Corrosion / Explosion-Proof Fan |
1,000 - 60,000 |
80 - 500 |
FRP / Stainless Steel 316L / Brass Trim |
Chemical storage, battery rooms, hazardous gas exhaust, high-humidity zones. |
Direct Drive / ATEX Ex d IIBT4 |
Materials & Construction Options
Housing & Structural Framing
Galvanized Steel Sheet: Zinc coating weights from 180 g/m2 to 275 g/m2 for rust protection in indoor and commercial applications.
Fiberglass Reinforced Plastic (FRP): Corrosion-resistant resin formulations for wet chemical fumes, coastal salt-air, and composting facilities.
Stainless Steel (304 / 316L): Passivated metal construction for food processing, pharmaceutical cleanrooms, and washdown environments.
Structural Frame: Heavy-gage rolled steel flanges with pre-punched mounting holes for direct attachment to wall sleeves or ductwork.
Impeller & Blade Design
Die-Cast Aluminum Blades: Aerodynamically profiled airfoil blades with adjustable pitch angles to calibrate airflow and power draw.
UV-Stabilized Polypropylene (PAG): Lightweight composite blades for reduced startup torque, low noise generation, and chemical resistance.
Stainless Steel / Pressed Steel Blades: Stamped and statically balanced for harsh thermal or industrial exhaust applications.
Technical Specifications
|
Parameter |
Standard Range / Specification |
|
Airflow Volume |
300 m3/h to 110,000 m3/h (175 CFM to 64,700 CFM) |
|
Static Pressure Range |
30 Pa to 1,200 Pa (0.12 in. wg to 4.8 in. wg) |
|
Operating Temperature |
-20 Deg C to +60 Deg C (Standard) / Up to +120 Deg C (Special high-temp insulation) |
|
Impeller Diameter |
200 mm to 1,600 mm (8 in. to 63 in.) |
|
Noise Level Output |
45 dB(A) to 82 dB(A) at 3 meters (dependent on size, RPM, and silencing accessories) |
|
Supply Voltage Options |
110V / 220V / 380V / 415V / 460V, 50 Hz / 60 Hz (Single or Three-Phase) |
|
Motor Efficiency Rating |
IE2 High Efficiency / IE3 Premium Efficiency compliant with IEC standards |
|
Airflow Testing Standard |
Aerodynamic performance tested in accordance with ISO 5801 and AMCA 210 testing protocols |
Applications by Industry
Industrial Manufacturing Workshops
Heat dissipation, oil mist extraction, and continuous air turnover in welding, molding, and machining halls.
01
Warehouses & Logistics Hubs
Moisture control, elimination of thermal stratification, and air circulation in high-bay storage areas.
02
Agricultural & Livestock Facilities
Temperature regulation and ammonia gas exhaust in poultry houses, dairy barns, and commercial greenhouses.
03
Commercial Facilities & Underground Parking
CO gas extraction, general duct exhaust, and stairwell pressurization systems.
04
Chemical & Battery Storage Facilities
Constant dilution and extraction of volatile organic compounds (VOCs) and corrosive vapors.
05
Custom Fan Engineering & OEM Capabilities
Aerodynamic & Structural Modification
Custom blade pitch adjustment to hit specific duty points (CFM at designated static pressure) without changing frame size.
Dimensional matching for existing wall sleeves, roof curbs, or duct connections to replace legacy ventilation units.
OEM Branding & Packaging Setup
Custom motor nameplates, warning labels, and wiring diagrams in multi-language layouts.
Tailored housing colors (powder coating to RAL specifications) and private label silk-screening.
Manufacturing & Quality Control
Our ventilation fan production line incorporates automated punching, blade balancing, protective coating, and 100% electrical safety verification.
Sheet Metal Laser Cutting & Stamping
Blade Casting / Pressing & Dynamic Balance Calibration
Surface Pre-treatment & Epoxy Powder Coating
Motor Assembly & Wiring Integration
Run Test (Vibration, Noise, Current Draw, Hi-Pot)
Final Inspection & Protective Packaging
Blade & Wheel Balance: Impellers undergo dynamic balancing according to ISO 1940 Grade G6.3 / G2.5 to eliminate shaft vibration and extend bearing operational life.
Electrical Safety Verification: Every assembled fan undergoes dielectric voltage withstand (Hi-Pot) testing, insulation resistance checks, and ground continuity testing before packing.
Acoustic & Airflow Audit: Random batch samples undergo sound level measurements (dB(A)) and pressure-airflow curve verification in our air chamber setup.
Packaging & Project Support
Stackable / Knock-Down (KD) Packaging: Select axial wall fans and roof units ship in knock-down formats to optimize sea container loading capacity and lower freight expenses.
Protection Standards: Heavy-duty corrugated cartons with internal molded foam cradles or ISPM 15 compliant heat-treated wooden crates for large industrial units.
Documentation Included:
Dimensioned 2D CAD Outline Drawings and 3D Models (STEP format).
Airflow Performance Curves (Pressure vs. Volume vs. Power).
Electrical Wiring Schematics and CE Compliance Declarations.
Installation and Maintenance Instruction Manuals.
FAQ
Request a Fan Selection & Commercial Quotation
Need an engineering review, CAD model, or custom quotation for your ventilation project? Provide your operating requirements to our engineering sales office:
E-mail: nyfji@126.com
Direct Phone / WhatsApp: +86 186 6290 3785
Factory Address: North End of Jiuwei Port Bridge, Nantong City, Jiangsu Province, China
Included with Quotation: Airflow Performance Curves, Dimensioned CAD Drawings, Motor Data Sheets, and Itemized FOB/CIF Commercial Terms within 24 hours.
As one of the leading ventilation fan manufacturers and suppliers in China, we also support customized service with low price. Please feel free to buy discount ventilation fan made in China here from our factory. For quotation, contact us now.
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