The Low Noise Centrifugal Exhaust Fan Box is a high-performance ventilation and smoke extraction solution designed for modern commercial and industrial spaces. With advanced aerodynamic engineering, energy-efficient motors, and precision components, it ensures powerful airflow while maintaining ultra-low noise levels. Its compact design allows seamless installation, and its robust construction delivers durability, safety, and reliable operation in demanding environments.

Detailed Description

The Low Noise Centrifugal Exhaust Fan Box is engineered for quiet, efficient, and long-lasting performance. It features a forward-curved multi-wing centrifugal fan, high-quality bearings, and a sound-attenuating box that reduces average noise levels by up to 20% compared to conventional models. Designed for both ventilation and fire smoke extraction, the Type A unit with external motor can withstand continuous operation at 300°C for over 60 minutes, making it ideal for fire safety systems. The Type B unit with an internal motor is suited for general ventilation applications.

Equipped with intelligent temperature control, the fan adjusts speed based on ambient conditions to reduce energy consumption while ensuring comfort. Its modular design enables fast installation, easy cleaning, and simplified maintenance, extending its service life significantly. Tested for reliability, it exceeds industry standards with a Mean Time Between Failures (MTBF) of over 50,000 hours. Trusted by industries worldwide, including Shandong Wanneng Group, this fan box is the right choice for safe, efficient, and sustainable ventilation.

Technical Specifications

Attribute Value
Species Centrifugal Fan
Application Heat Dissipation & Ventilation
Motor Power 0.25 – 7.5 kW
Fan Pressure Low Pressure
Pressurization Type Single Stage
Flow Direction Centrifugal
Voltage 380 V
Shaft Power 0.25 – 7.5 kW
Rotational Speed 1400 RPM
Weight 20 – 80 kg
Noise Level ≤45 dB(A)
Heat Resistance (Type A) 300°C for 60 minutes continuous run

Key Features & Benefits

The Low Noise Centrifugal Exhaust Fan Box is built with customer needs in mind, offering advanced technology, energy efficiency, and long-term reliability.

  • Ultra-Low Noise Design: Aerodynamic blades and precision balancing reduce average noise by up to 20% compared to similar products.

  • High-Temperature Resistance: Type A design operates continuously at 300°C for over 60 minutes, providing reliable fire safety.

  • Durable & Reliable: High-quality bearings, transmission components, and sealed construction ensure long service life with minimal maintenance.

  • Energy-Saving Performance: Intelligent temperature control reduces unnecessary energy use by 20–30%, making it economical and eco-friendly.

  • Easy Installation & Maintenance: Modular structure allows quick installation and simple cleaning, reducing downtime.

  • Stable Operation: Compact structure with optimized airflow minimizes vibration, ensuring smooth and efficient performance.

With these features, the fan box ensures quiet, safe, and efficient ventilation across multiple industries while lowering operating costs.

Applications & Use Cases

The Low Noise Centrifugal Exhaust Fan Box is widely used across industries due to its versatility and reliability. It ensures clean airflow, noise reduction, and safe smoke extraction in:

  • Commercial Offices: Quiet operation maintains a productive work environment.

  • Hotels & Restaurants: Provides comfortable ventilation for guests and staff.

  • Theaters & Auditoriums: Reduces noise interference while ensuring air circulation.

  • Basements & Workshops: Effective smoke extraction and fresh air supply.

  • Healthcare Facilities: Delivers controlled airflow for patient safety and comfort.

This adaptability makes it the preferred choice for architects, engineers, and facility managers.

FAQs

Q1: What is a Low Noise Centrifugal Exhaust Fan Box?

It is a ventilation and smoke extraction system designed to deliver efficient airflow with minimal noise.

Q2: Can the Low Noise Centrifugal Exhaust Fan Box be used for fire safety?

Yes, the Type A model operates continuously at 300°C for over 60 minutes, making it ideal for smoke extraction.

Q3: Is the fan energy efficient?

Yes, its intelligent temperature control reduces power consumption by up to 30% compared to traditional fans.

Q4: How often does the Low Noise Centrifugal Exhaust Fan Box need maintenance?

Minimal maintenance is required thanks to its modular structure and durable components, with inspections recommended every 6 months.

Q5: Where can the Low Noise Centrifugal Exhaust Fan Box be installed?

It is suitable for offices, hotels, theaters, workshops, basements, and healthcare environments.