Product Applications Description

Core Advantages of Axial Flow Ventilation Ducts

1. Energy-Optimized Air Exchange
   Utilizing axial flow dynamics, these ducts generate high-velocity airflow for rapid replacement of contaminated indoor air with fresh external air. Suitable for residential, commercial, and industrial applications, their precision-engineered design ensures maximum air renewal efficiency with up to 30% reduced energy expenditure compared to conventional systems.

2. Adaptable Spatial Integration
   Featuring a modular circular structure, the ducts support seamless integration into diverse architectural layouts. Installation flexibility spans horizontal, vertical, and diagonal orientations within existing duct networks, complemented by tool-free assembly mechanisms for swift deployment and maintenance accessibility.

3. Silent Operational Reliability
   Engineered with vibration-dampening composite materials and aerodynamically balanced impellers, the system operates below 45 dB(A) across all speed settings. This ultra-quiet performance eliminates workplace distractions while maintaining 24/7 operational stability.

4. Eco-Compliant Sustainability
   Achieves ISO 14000 environmental standards through zero-emission operation and recyclable aluminum-polymer construction. The integrated smart power management system further reduces carbon footprint by dynamically adjusting airflow to real-time occupancy metrics.

Innovations in Axial Flow Fan Technology

1. Precision Airflow Engineering
   Proprietary blade geometry enables customizable airflow profiles (150–3,000 CFM) with adaptive pressure compensation, ensuring consistent ventilation efficiency even in complex duct architectures. IoT-enabled models allow remote airflow modulation via building management systems.

2. Multi-Scenario Deployment Capability

   • Space-optimized configurations: Sub-30cm profile supports concealed installation in false ceilings, partition walls, or mechanical shafts.
   • Hybrid mounting solutions: Choose from suspended ceiling brackets, wall-mounted frames, or direct duct-embedded setups without auxiliary supports.
   • Universal connectivity: Standardized ISO flange interfaces (100–600mm diameters) with optional quick-clamp adapters for PVC, galvanized steel, or flexible ducting.

Installation Excellence Framework

1. Ergonomic Structural Logic

   • Monobloc housing unifies motor, impeller, and control modules into a single maintenance-friendly unit.
   • Pre-calibrated components enable plug-and-play functionality, reducing commissioning time by 70%.

2. Intelligent Operational Features

   • Auto-diagnostic sensors detect duct pressure anomalies and self-correct fan RPM.
   • Corrosion-resistant IP55 rating ensures reliable performance in high-humidity or particulate-heavy environments.

3. Lifecycle Cost Efficiency

   • Brushless DC motors provide 50,000+ hour service life with <1% annual efficiency degradation.
   • Removable washable filters extend component longevity while minimizing maintenance downtime.

Product Specifications

Product Dimensions Diagram

Product Dimensions 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.