Fan: Airflow_Capacity 100-500 CFM, Impeller_Diameter 100-300 mm

Component Specifications

Definition

A fan is an essential electromechanical component in dehumidification systems, consisting of a motor-driven impeller that creates airflow. In dehumidifiers, it draws humid air through the evaporator coil for condensation, then passes it over the condenser coil for reheating before discharging drier air. It ensures continuous air circulation across heat exchangers, enabling efficient moisture extraction and maintaining consistent humidity control.

Working Principle

The fan operates on the principle of forced convection. An electric motor rotates blades (impeller), creating a pressure differential that moves air. In dehumidifiers, it pulls ambient air through the intake, directs it across cold evaporator coils where moisture condenses, then across warm condenser coils to reheat the air, and finally exhausts dehumidified air back into the environment.

Materials

Housing: ABS plastic or galvanized steel; Blades: Polypropylene, aluminum, or stainless steel; Motor: Copper windings with steel laminations and ball bearings; Shaft: Stainless steel or hardened steel.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Voltage	110-240 V AC
Motor Power	10-100 W
Noise Level	30-60 dB(A)
Speed Control	Single/Multi-speed or Variable
Airflow Capacity	100-500 CFM
Impeller Diameter	100-300 mm

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 5801, ISO 13347, DIN 24163

Parent Products

This component is used in the following industrial products

Dehumidifier

A dehumidifier is a mechanical component used within air conditioning, ventilation, or dedicated dehumidification systems to extract water vapor from air, thereby controlling relative humidity.

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Cooling System (Fan/Heatsink)

Thermal management subsystem that dissipates heat from telecommunications equipment components to maintain optimal operating temperatures.

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Engineering Analysis

Risks & Mitigation

Motor overheating due to dust accumulation
Blade imbalance causing vibration and noise
Electrical failure from moisture ingress
Reduced airflow from clogged filters

FMEA Triads

Trigger: Dust accumulation on blades or motor
Failure: Reduced airflow and overheating
Mitigation: Implement regular cleaning schedules and use air filters

Trigger: Bearing wear or lubrication failure
Failure: Increased noise, vibration, or motor seizure
Mitigation: Use sealed or self-lubricating bearings and schedule preventive maintenance

Trigger: Electrical surge or moisture exposure
Failure: Motor burnout or short circuit
Mitigation: Install surge protectors and ensure proper sealing in humid environments

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Airflow deviation ≤ ±10% of rated capacity; Noise levels within specified dB(A) limits

Test Method

ISO 5801 for performance testing; ISO 3744 for acoustic measurements; Electrical safety per IEC 60335-2-40

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

Compare the published product scope and source details, then include your specifications and quantity in an enquiry.

Manufacturers of Fan

Manufacturer profiles associated with Fan.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Main Frame

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Shaft Bearing

Precision component supporting rotating shafts in vibration motors to reduce friction and maintain alignment.

Frequently Asked Questions

What is the purpose of a fan in a dehumidifier?

The fan circulates air through the dehumidifier, moving humid air across cold coils to condense moisture and across warm coils to reheat the air, ensuring efficient dehumidification.

Can a dehumidifier work without a fan?

No, a fan is essential for forced air circulation. Without it, natural convection is insufficient for effective moisture removal, drastically reducing efficiency.

How do I maintain a dehumidifier fan?

Regularly clean blades and housing to prevent dust buildup, check for unusual noises or vibrations, and ensure motor bearings are lubricated if required.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Fan