Ventilation Exhaust Inline Cabinet Centrifugal Fan Metal Box for Restaurant

Product Applications
Core Utilization Scenarios

1. Industrial Environments
   Deployed for air exchange in manufacturing facilities to eliminate hazardous fumes, particulate matter, and malodorous substances, optimizing workplace safety and comfort.

2. Chemical & Pharmaceutical Sectors
   Delivers consistent airflow to stabilize reaction conditions in sensitive processes, ensuring precision in product formulation and batch uniformity.

3. Electronics & Semiconductor Production
   Integrates with cleanroom filtration systems to safeguard microcomponents from airborne contaminants during fabrication and assembly.

4. Commercial HVAC Integration
   Enables efficient air cycling in architectural spaces, mitigating indoor pollutants (e.g., CO₂, VOCs) to meet health and regulatory standards.

5. Mining & Metallurgy Operations
   Supports subterranean and high-heat zone ventilation, extracting combustible gases and particulate emissions to prevent occupational hazards.

Motor Technology
Key Benefits of High-Static Copper-Wound Motors

1. Enhanced Operational Capacity
   Engineered to generate exceptional static pressure (up to [X] Pa), these motors counteract systemic resistance in intricate duct networks, enabling extended-range airflow delivery. Copper windings minimize joule losses, translating to 15-20% higher torque efficiency versus aluminum alternatives, ideal for multistory buildings and industrial complexes.

2. Durability Under Stress
   Precision-balanced rotors and reinforced bearings withstand prolonged high-load cycles (>10,000 hours MTBF). Copper's thermal conductivity prevents hotspot formation, reducing insulation degradation risks even in 60°C ambient conditions.

3. Energy Optimization
   ECM/BLDC variants achieve IE5 efficiency ratings, lowering power draw by 30-40% compared to AC induction models. Adaptive speed modulation aligns output with real-time demand, slashing annual kWh consumption in 24/7 operations.

4. Acoustic Refinement
   Multi-stage noise suppression—including skewed stator slots, vibration-dampening mounts, and aerodynamic blade profiles—maintains operational dB levels below 55 dB(A) at 1m distance, compliant with WHO nighttime noise guidelines.

5. Lifecycle Economy
   Corrosion-resistant housing (IP55-rated) and self-lubricating components eliminate biannual maintenance needs. Copper's oxidation resistance ensures stable impedance over 8-10 years, minimizing performance drift.

Impeller Design
Metallic Impeller Superiority vs. Polymer Alternatives

1. Structural Integrity
   CNC-machined aluminum/steel alloys endure centrifugal forces exceeding 25,000 RPM without fatigue fractures, critical for turbo-fan configurations in pressurized systems.

2. Abrasion Resistance
   Hard-anodized surfaces or stainless-steel coatings reduce erosive wear from particulate-laden airstreams, extending service intervals by 3x in dust-heavy settings like woodshops or cement plants.

3. Thermal Stability
   Retains dimensional accuracy across -30°C to 300°C thermal gradients, preventing warping in foundry exhausts or industrial ovens where thermoplastics would deform.

4. Precision Dynamics
   Laser-balanced to G2.5 grade (ISO 1940), achieving <0.5g·mm/kg residual unbalance. This minimizes harmonic vibrations that accelerate bearing wear in HVAC blowers.

Technical Parameters

• Motor Power Range: 0.75–22 kW
• Max Static Pressure: 1500 Pa
• Airflow Capacity: 200–12,000 m³/h
• Noise Spectrum: 45–68 dB(A) (configurable via variable-frequency drives)
• Certifications: AMCA 210, ISO 9001, RoHS Directive

Product Dimensions Diagram

Product Dimensions and Specifications

Guangdong Zhongdian Jiajin Environmental Technology Co., Ltd.

originated from Foshan City Nanhai Zhongxing Hardware and Electrical Appliance Factory (with brands including Zhongdian Fresh Air and Zhongdian New Science), is a modern National High-tech Enterprise mainly engaged in manufacturing:

DKT external rotor air conditioning fan (curved and square),

Mixed flow pressurized duct fan,

KTF stainless steel external rotor centrifugal fan cabinet,

Air curtain fan,

Purification type low-noise fan,

Centrifugal low-noise ventilation equipment,

EC frequency conversion digital energy-saving fans, etc.

The manufacturing base is located in Foshan City, Guangdong Province.

Since its establishment in 1997, we have always adhered to the quality line and actively created our own brand, Zhongdian. We have successively passed ISO9001, CE and CCC certifications, and obtained multiple utility model patents. Our comprehensive strength and brand influence rank among the top in the industry.

Guangdong Zhongdian Jiajin Environmental Technology Co., Ltd. adheres to the business philosophy of "technology driven development, respect for talent, reform and innovation, and pursuit of excellence", introduces numerous advanced automation equipment and 5S management systems, attaches importance to user experience of products, and takes continuous customer satisfaction as the business orientation. After unremitting efforts, we have become the leader in the fresh air system market.

Guangdong Zhongdian Jiajin Environmental Technology Co., Ltd. adheres to the principle of prioritizing quality over output, and has won the trust of users across the country with excellent quality and outstanding performance. And strive to enhance competitive advantages in pre-sales, in sales, after-sales and other aspects, and will continue to adhere to the creed of customer first and service first. It is the continuous iteration of products and services, striving to become a leading brand in mid to high end fresh air system equipment.