Technical Specifications

General assembly Drawing

Core Innovation Highlights

1. Advanced Air Purification Architecture
   • Humidity regulation (±3% RH accuracy via PID-controlled airflow)
   • Activated carbon filter slot (optional) for VOC absorption (85% efficiency)
2. Precision Engineered Drive System
   • SKF/C&U hybrid ceramic bearings (L10 life: 100,000 hours)
   • Soft-start technology reduces inrush current by 70%
3. Corrosion-Resistant Construction
   • Electro-galvanized steel housing (720-hour salt spray tested per ASTM B117)
   • Powder-coated finish (RAL 9016 color code, 5-stage pretreatment process)
4. Intelligent Airflow Optimization
   • Computational Fluid Dynamics (CFD)-designed volute casing reduces turbulence
   • Self-balancing impeller system (ISO 1940 G1.0 balance grade)
5. Modular Installation System
   • Pre-assembled seismic restraint brackets (IBC 2025 compliant)
   • Laser-etched alignment guides for ±0.3mm duct connection accuracy

Product Installation Method

Stage 1: Structural Preparation

• Fabricate 50×50mm steel support frame (minimum yield strength: 250 MPa)
• Anchor to concrete substrate using M12 mechanical expansion anchors (Hilti HSL-3)

Stage 2: Unit Integration

• Mount chassis on neoprene isolators (50 Shore hardness), torque fasteners to 30 N·m
• Align ducting system using infrared laser alignment tool (max deviation: 0.5°)

Stage 3: Performance Validation

• Conduct airflow measurement with rotating vane anemometer (accuracy: ±1% FS)
• Verify vibration levels <2.5 mm/s RMS (ISO 10816-8:2025 criteria)

Sector-Specific Benefits

• Commercial Kitchens: Removes 95% of grease particles (NFPA 96-2025 compliance)
• Healthcare Facilities: Achieves 15 ACH in isolation rooms (ASHRAE 170-2025)
• Data Centers: Maintains 45–55% RH for server integrity (ASHRAE TC9.9 guidelines)
• Residential: Integrates with smart home systems via Matter 2.0 protocol

Product Performance Curve

Product Performance 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.