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Low Noise Belt-type Ventilation Fan Box from China Suppliers and Factory - Ideal for Various Operating Conditions

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Product Operating Conditions

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This high-performance product is designed for optimal functionality under various operating conditions, making it an ideal choice for industries in China. Our suppliers ensure that it operates efficiently across a wide temperature range.

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Operating temperature: -20 to +40℃ for continuous operation, providing versatility for diverse environments.

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For high-temperature applications, it withstands temperatures up to 100℃ with continuous operation for 20 hours, and can handle a maximum of 280℃ for up to 60 minutes.

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Humidity levels should be maintained at less than 90% to ensure optimal performance.

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The medium condition requirement is air, ensuring the product’s reliability in various atmospheric settings.

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Power supply needs include three-phase 380V/50Hz, typical in many factories, making it suitable for industrial use.

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Trust our suppliers to deliver a product that meets the rigorous demands of modern factories in China.

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    Contact us
    Product Details

    Product Overview

    1
    The HTFC type cabinet-type centrifugal fan is a high-efficiency, low-noise cabinet-type centrifugal fan. The product consists of a low-noise forward-tilted multi-blade centrifugal fan, motor, bearings, transmission components, and a sound-absorbing box. Depending on the installation location, it offers 12 different angle inlet and outlet positions.
    Type A: Motor installed outside for fire smoke exhaust (CCCF certified, 280°C for 60 mins).
    Type B: Motor installed inside for standard ventilation.
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    Available in 12 specifications (9" to 40"), air volume 1650 to 112619 m3/h, total pressure 152 to 1124 Pa.
    Type I: Single-speed.
    Type II: Dual-speed. Supports variable-frequency regulation (25Hz to 50Hz).
    HTFC Cabinet-type Centrifugal Fan
    3
    Explosion-proof: Can be customized to EXdIIBT4 grade for environments with flammable and explosive gases.
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    Noise Control: Equipped with various muffler lengths or thickened box bodies to meet specific decibel requirements.
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    Air Quality: Compatible with primary, secondary, or high-efficiency filters to enhance air cleanliness.

    Product Application

    These fans are ideal for environments requiring low noise and large air volume for ventilation and smoke removal.

    Hotels & Restaurants
    Auditoriums & Theaters
    Basements
    Factories & Mines
    Office Buildings

    Frequently Asked Questions

    Q1: What is the difference between Type A and Type B HTFC fans? Type A has the motor installed outside the box for fire smoke exhaust (CCCF certified). Type B has the motor inside the box and is used for general ventilation.
    Q2: Can the HTFC fan withstand high temperatures? Yes, the Type A fire smoke exhaust fan can operate continuously for 60 minutes at a temperature of 280°C.
    Q3: Does this fan support speed adjustment? Yes, Type II is a dual-speed model. Additionally, fans can be equipped with variable-frequency motors and controllers (recommended range: 25Hz to 50Hz).
    Q4: Is there an explosion-proof version available? Yes, we provide explosion-proof models with a grade of EXdIIBT4, suitable for hazardous locations.
    Q5: Can filters be added to the fan box? Yes, primary, secondary, or high-efficiency filters can be configured, though the box length will be increased to account for pressure loss.
    Q6: How is the noise level controlled? Noise is minimized using a multi-blade centrifugal design, sound-absorbing box housing, and optional mufflers or thickened box walls.

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