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Low Noise Belt-type Ventilation Fan Box - China Suppliers & Factory for Reliable Performance and Durability

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Product Operating Conditions

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Our product is designed to operate efficiently under a wide range of conditions. It maintains optimal performance in operating temperatures ranging from -20 to +40℃, allowing for continuous usage without disruption.

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For high temperature resistance, our product can handle up to 100℃ for continuous operation lasting 20 hours, and can withstand extreme conditions of 280℃ for a maximum of 60 minutes.

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Humidity levels should remain below 90% to ensure reliable performance.

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Designed for use in medium conditions with air as the primary medium, our product is ideal for various applications.

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Power supply requirements include a three-phase 380V/50Hz setup.

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As a leading supplier in China, our factory is committed to quality and innovation, providing products that meet rigorous industry standards.

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    Contact us
    Product Details

    ⚙️ Product Overview

    The HTFC type cabinet-type centrifugal fan is a high-efficiency, low-noise solution designed for modern ventilation needs. This integrated system consists of a low-noise forward-tilted multi-blade centrifugal fan, motor, bearings, transmission components, and a specialized sound-absorbing box.

    Engineered for versatility, it offers 12 different angle inlet and outlet positions to accommodate various installation environments. The series is categorized into two primary types based on application:

    • Type A: Motor is installed outside the box. Specifically designed for fire smoke exhaust. It is CCCF certified and can operate continuously for 60 minutes at 280°C (compliant with GA211-2009 standards).
    • Type B: Motor is installed inside the box, optimized for standard ventilation and air exchange.
    HTFC Cabinet Centrifugal Fan Box
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    Specifications: 12 sizes ranging from 9" to 40". Air volume: 1650 to 112619 m³/h. Total pressure: 152 to 1124 Pa.

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    Speed Control: Available in Type I (single-speed) and Type II (dual-speed). Supports variable-frequency adjustment (25Hz to 50Hz).

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    Explosion-Proof: Optional EXdIIBT4 grade construction for environments with flammable and explosive gases.

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    Noise Reduction: Customizable with various muffler lengths or thickened sound-absorbing box bodies.

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    Air Filtration: Can be equipped with primary, secondary, or high-efficiency filters to ensure air cleanliness.

    🏢 Product Application

    HTFC fans are widely utilized across diverse industrial and commercial sectors. They are particularly effective in environments requiring large air volume and low noise operations.

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    Hotels & Restaurants

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    Theaters & Auditoriums

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    Factories & Mines

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    Basements & Offices

    Frequently Asked Questions

    Q1: What is the main difference between Type A and Type B HTFC fans? Type A has an external motor and is designed for fire smoke exhaust (280°C for 60 mins), while Type B has an internal motor intended for general ventilation.
    Q2: Are these fans certified for fire safety? Yes, the Type A fan has undergone high-temperature testing according to GA211-2009 and has obtained CCCF certification for fire safety.
    Q3: Can the air volume and speed be adjusted? Yes, we offer dual-speed motors (Type II) and variable-frequency motor options (recommended range 25Hz to 50Hz) for precise performance adjustment.
    Q4: Is it possible to use this fan in explosive environments? Yes, the fan can be manufactured as an explosion-proof version with a grade of EXdIIBT4 for hazardous locations.
    Q5: Can I add air filters to the cabinet fan? Yes, primary, secondary, or high-efficiency filters can be integrated. Note that the box length may increase to account for pressure loss.
    Q6: How many installation angles are available? The HTFC fan provides 12 different inlet and outlet angle positions to meet various onsite installation requirements.

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