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Centrifugal Fans
  • Seemtek 400mm Variable Speed Metal Blades Backward Curved Centrifugal Blower Fans
  • Seemtek 400mm Variable Speed Metal Blades Backward Curved Centrifugal Blower Fans
  • Seemtek 400mm Variable Speed Metal Blades Backward Curved Centrifugal Blower Fans
  • Seemtek 400mm Variable Speed Metal Blades Backward Curved Centrifugal Blower Fans
  • Seemtek 400mm Variable Speed Metal Blades Backward Curved Centrifugal Blower Fans
  • Seemtek 400mm Variable Speed Metal Blades Backward Curved Centrifugal Blower Fans
Seemtek 400mm Variable Speed Metal Blades Backward Curved Centrifugal Blower Fans

Seemtek 400mm Variable Speed Metal Blades Backward Curved Centrifugal Blower Fans

  • 1 - 99 Pieces
    $455.50
  • 100 - 499 Pieces
    $407.70
  • >= 500 Pieces
    $379.40

Customization:

Customized logo（Min.Order: 100 pieces）
Customized packaging（Min.Order: 100 pieces）
Graphic customization（Min.Order: 100 pieces）
View product details

Seemtek 400mm Variable Speed Metal Blades Backward Curved Centrifugal Blower Fans

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Variable Speed Control: Adjustable airflow settings (via EC/AC motors) to optimize performance for diverse applications.
  • Efficient Airflow Design: Backward curved aluminum/steel blades reduce noise and enhance energy efficiency, ideal for high-demand ventilation tasks.

Key features

  • 1. Durable Aluminum Blade Construction

    • With corrosion-resistant aluminum blades, ensure long-lasting performance in demanding environments. Lighter than steel alternatives, reducing operational strain while maintaining structural integrity.

  • 2. Energy-Efficient EC Motor Technology

    • With EC (electronically commutated) motor design, achieve up to 30% lower energy consumption compared to traditional AC models*. The quiet operation makes it ideal for residential and commercial spaces.

  • 3. UL Safety Certification

    • With UL certification, guarantee compliance with rigorous safety standards, ensuring reliable and risk-free operation in industrial or home ventilation systems.

  • 4. Versatile Voltage Compatibility

    • With dual voltage options (230V/380V), seamlessly adapt to both residential and commercial power setups, eliminating the need for additional converters.

  • 5. Backward Curved Centrifugal Design

    • With backward curved blades optimized for airflow efficiency, deliver higher pressure and quieter performance compared to standard centrifugal fans*. Ideal for applications requiring balanced airflow and low noise.

Product details

Seemtek 400mm Variable Speed Metal Blades Backward Curved Centrifugal Blower Fans

The Seemtek 400mm Variable Speed Metal Blades Backward Curved Centrifugal Blower Fan combines robust steel construction with lightweight aluminum blades for optimal performance. Designed for versatile applications, it supports both EC (electronically commutated) and AC motors, operates at 230V or 380V, and features a 2-year warranty. UL certification ensures safety and reliability in demanding environments.

Technical specifications

FeatureSpecificationApplication Scenario
Blade MaterialAluminum (lightweight, corrosion-resistant)Industrial ventilation, HVAC systems
Frame MaterialSteel (durable, high-strength)Heavy-duty manufacturing, commercial cooling
Motor TypeEC/AC (variable speed control)Energy-efficient setups or high-power demands
Voltage Compatibility230V / 380VGlobal voltage standards (residential/industrial)
CertificationUL (safety & performance compliance)Regulatory-compliant installations
Airflow RangeAdjustable via variable speedCustom airflow for labs, warehouses, or cleanrooms

Customization guide

Adjustable speed settings and voltage selection allow customization to meet specific airflow requirements or regional power standards. The steel frame and aluminum blades can be modified for corrosion resistance in marine or chemical environments.

Get inspired

With backward curved blades and EC motor efficiency, this blower fan optimizes airflow while minimizing noise and energy consumption. Ideal for industrial cooling, HVAC systems, or any application requiring precise airflow control.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Max Airflow (m³/h)2,500+15% (2,875)+30% (3,250)*
Noise Level (dB)75-15% (63.75)-30% (52.5)
Energy EfficiencyStandard EC motorHigh-efficiency ECPremium EC + 380V
Warranty2 years2 years2 years

Supplier's note

  1. Technical Breakthroughs:

    • EC Motor Efficiency: The Pro Model’s EC motor achieves 30% lower energy consumption than traditional AC models.
    • Backward Curved Blades: Reduce turbulence and noise by 30%, ideal for hospitals or offices.
    • UL Certification: Ensures compliance with global safety standards for industrial use.

  2. Version Selection Guide:

    • Base Model: Best for small workshops or residential HVAC systems needing basic airflow (≤2,500 m³/h).
    • Advanced Model: Suitable for medium-scale factories or commercial buildings requiring quieter operation (-15% noise reduction).
    • Pro Model: Optimal for industrial plants or high-demand environments, offering 30% higher airflow and compatibility with 380V systems.

Pro Model’s airflow exceeds industry benchmarks by 20%, enabling faster material drying in manufacturing lines.

Frequently asked questions

  • Which Seemtek centrifugal blower fan model is best for industrial applications?

  • How do I clean and maintain the aluminum blades of the Seemtek 400mm blower fan?

  • Why is aluminum preferred over steel for the blades in the Seemtek blower fan?

  • Is the Seemtek 400mm blower fan UL-certified for safety?

  • How does the backward curved blade design improve airflow efficiency?

  • Can the Seemtek fan operate on both 230V and 380V power systems?

  • Does the Seemtek blower fan support both AC and EC power types?

  • What warranty does the Seemtek 400mm blower fan offer, and what does it cover?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Blade MaterialIndustrial VentilationSteel (Industry Standard, 5-year durability)Aluminum (Base: 20% lighter)Aluminum/Steel Composite (Advanced: 6-year durability ▲1 year over Base)
Motor TypeEnergy-Efficient ApplicationsAC Motor (Industry Standard, 75% efficiency)AC Motor (Base: Matches industry)EC Motor (Advanced: 90% efficiency ▲15% more efficient)
Voltage CompatibilityGlobal InstallationsSingle Voltage (Industry Standard, 230V/380V)Dual Voltage (Base/Advanced: 230V/380V ▲Universal use)N/A
Noise LevelOffice/Residential Ventilation70 dBA (Industry Standard)65 dBA (Base ▲5 dB quieter)60 dBA (Advanced ▲5 dB quieter than Base)
Safety CertificationCommercial InstallationsNo certification (Industry Standard)UL Certified (Base/Advanced ▲Safety compliance)N/A
Warranty PeriodLong-Term Investments1 year (Industry Standard)2 years (Base ▲1 year)3 years (Advanced ▲1 year over Base)

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