Description

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Qingdao Hailong Machinery Technology Co., Ltd. is one of the leading manufacturers and suppliers of fan impeller parts in China, featured by quality products and good service. Welcome to buy durable fan impeller parts made in China here and get pricelist from our factory. Also, customized service is available.

Core Advantages

Efficient Aerodynamic Design: Optimized blade profile based on aerodynamics, large air volume and sufficient air pressure, aerodynamic efficiency ≥85%, 10%-15% more energy-saving than ordinary impellers, lower operating energy consumption.
High Strength Structure: Integrated forming/welding process, firm connection between blades and hub, Q235B/stainless steel (304/316L)/aluminum alloy materials, tensile strength ≥235MPa, deformation ≤0.02mm under high-speed rotation, no fracture risk.
Low Noise Operation: Smooth transition of blade surface (Ra≤1.6μm), uniform flow field, operating noise ≤75dB(A), vibration ≤2.8mm/s, adapting to silent scene requirements.
Multi-scenario Adaptability: Suitable for centrifugal/axial flow/mixed flow fans, air volume range 500-1,000,000m³/h, air pressure 0.1-10kPa, temperature resistance -40℃~400℃, compatible with air, flue gas, corrosive gas and other media.
Stable and Durable: Dynamic balance correction (accuracy grade G2.5-G6.3) to eliminate rotational eccentricity, service life ≥10 years, fatigue-resistant and corrosion-resistant, adapting to continuous operation conditions.

Adaptable Industries & Scenarios

Core Industries: HVAC, Industrial Ventilation, Environmental Protection Equipment, Power, Chemical, Metallurgy, Construction, Mining, Rail Transit;
Typical Applications: Central Air Conditioning Fans, Industrial Dust Exhaust Fans, Boiler Induced Draft Fans, Cooling Tower Fans, Subway Ventilation Fans, Chemical Anti-corrosion Fans, Fire Smoke Exhaust Fans.

Key Technical Specifications

Parameter Type	Core Specifications
Material Type	Q235B Carbon Steel, 304/316L Stainless Steel, Aluminum Alloy, FRP (Fiberglass Reinforced Plastic)
Forming Process	Stamping, Welding, Casting, Injection Molding (Plastic Materials), Molding (FRP)
Structure Type	Centrifugal (Forward/Backward Curved Blades), Axial Flow, Mixed Flow
Size Range	Impeller Diameter 200-3000mm, Blade Quantity 3-12 Pieces (Customizable)
Performance Parameters	Air Volume 500-1,000,000m³/h, Air Pressure 0.1-10kPa
Precision Standard	Dynamic Balance Grade G2.5-G6.3, Surface Roughness Ra≤1.6μm
Operating Parameters	Rotational Speed 500-3000r/min, Noise ≤75dB(A), Vibration ≤2.8mm/s
Temperature Resistance Range	-40℃~400℃ (Slightly Different by Material)

Quality & Service

Test Reports: Material analysis report, dynamic balance test report, aerodynamic performance test report, noise and vibration test report;
After-sales Guarantee: 1-year warranty, providing installation and commissioning guidance, balance correction service, lifelong technical support;
Customization Service: Customized material, structure type, size, air volume and pressure parameters on demand, supporting processing according to drawings and aerodynamic optimization design;
Delivery Cycle: Standard parts 7-20 days, customized parts 20-60 days, large batch 60-120 days, emergency order as fast as 10 days.