Guangdong Zhongdian Jiajin Environmental Technology Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 5000 |
| Delivery Time | 3-8 work days |
| Packaging Details | Carton packaging，1 units per carton |
| Electric Current Type | AC |
| After-sales Service Provided | Online support |
| Voltage | 220V or 380V |
| Customized support | OEM 、ODM |
| Type | Inline |
| Mounting | Duct Fan |
| Warranty | 1 Year |
| Function | Ventilaion |
| application | industrial Ventilation |
| Bearing | Ball Bearing |
| Brand Name | Available for ODM |
| Model Number | DJT31-230 |
| Certification | CE |
| Place of Origin | China Foshan |
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Product Specification
| Payment Terms | T/T | Supply Ability | 5000 |
| Delivery Time | 3-8 work days | Packaging Details | Carton packaging，1 units per carton |
| Electric Current Type | AC | After-sales Service Provided | Online support |
| Voltage | 220V or 380V | Customized support | OEM 、ODM |
| Type | Inline | Mounting | Duct Fan |
| Warranty | 1 Year | Function | Ventilaion |
| application | industrial Ventilation | Bearing | Ball Bearing |
| Brand Name | Available for ODM | Model Number | DJT31-230 |
| Certification | CE | Place of Origin | China Foshan |
| High Light | odm inline duct fans ，oem inline duct fans ，odm inline extractor fan | ||
Application in Construction Environments
Axial flow fans serve as critical ventilation solutions in dynamic construction settings by swiftly removing airborne particulates and toxic fumes from workspaces. Beyond accelerating moisture evaporation in freshly poured concrete or coatings, these systems create safer atmospheres conducive to precision tasks like electrical installations or finishing work. The temperature regulation capabilities further mitigate heat stress risks, directly contributing to improved workforce efficiency and OSHA-compliant occupational health standards.
Advanced Impeller Engineering
Engineered with precision, our aerodynamic impeller units integrate energy recovery mechanisms with low-emission manufacturing principles. Through computational fluid dynamics modeling, we've achieved a 22% reduction in power draw compared to conventional models while maintaining 65 dB(A) noise levels—equivalent to normal conversation. The patented blade curvature not only minimizes vortex shedding losses but also enables adaptive performance across varying air densities, making them ideal for high-altitude projects or industrial exhaust scenarios. This dual focus on operational economy and acoustic ecology positions our technology as a cornerstone for ESG-conscious infrastructure development.
Modular Installation System
Featuring tool-free assembly components and color-coded terminal blocks, our plug-and-play design reduces installation labor by 40%. The universal bracket system accommodates both horizontal ducting and vertical stack configurations through adjustable clamping angles (±15°). Pre-installed vibration dampeners and laser-aligned mounting holes eliminate calibration steps, allowing certified technicians to commission units within 90 minutes—including optional IoT sensor integration for smart building management systems. All fasteners comply with ISO 898-1 standards, ensuring compatibility with global construction specifications.
Product Specifications
| Model number | Power | Airflow | Static Pressure | Noise Level | Duct Diameter | Quantity per Carton | Net Weight |
| (W) | (m5/h) | (Pa) | (dB) | (mm) | (Unit／Box) | (kg) | |
| DJT10-20 | 30/26 | 200/170 | 183/130 | 30/25 | 100 | 6 | 1.8 |
| DJT15-54 | 48/40 | 540/384 | 330/280 | 40/35 | 150 | 6 | 2.2 |
| DJT20-90 | 76/60 | 900/820 | 380/310 | 50/45 | 200 | 6 | 2.7 |
| DJT25-170 | 173/152 | 1700/1200 | 550/480 | 56/50 | 250 | 1 | 18 |
| DJT31-230 | 350/260 | 2300/1900 | 650/500 | 60/55 | 315 | 1 | 20 |
Product Dimension Diagram
Product Dimension Specifications
| Model number | A | B(Φ) | C | D | E | F | H | H1 |
| dJT10-20 | 300 | 100 | 100 | 214 | 62 | 60 | 182 | 95 |
| DJT15-54 | 293 | 150 | 120 | 237 | 72 | 70 | 211 | 110 |
| DJT20-90 | 304 | 200 | 140 | 258 | 78 | 85 | 235 | 124 |
| DJT25-170 | 367 | 250 | 317 | 208 | 120 | 95 | 365 | 196 |
| DJT31-230 | 450 | 315 | 360 | 255 | 120 | 95 | 410 | 215 |
Company Details
Business Type:
Manufacturer
Year Established:
1997
Total Annual:
5 million-6.9 million
Employee Number:
100~130
Ecer Certification：
Verified Supplier
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 eng... 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 eng...
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