Plastic Inline Duct Fans HVAC Impeller Forward Diagonal Flow 220V

I. Application in Marine Environments
Diagonal flow fans are engineered to enhance onboard habitability by maintaining optimal air quality in ship compartments. Their advanced airflow dynamics efficiently evacuate hazardous exhaust emissions and regulate humidity levels, ensuring a safe and breathable atmosphere for crew members. Designed with corrosion-resistant components, these fans deliver consistent performance under extreme maritime conditions—including high salinity, temperature fluctuations, and mechanical vibrations—thereby supporting uninterrupted vessel operations and navigational safety.

II. Safety-Optimized Impeller Design
The fan's impeller undergoes rigorous material certification, incorporating flame-retardant alloys and anti-spark coatings to mitigate combustion risks in volatile environments. Precision-balanced construction eliminates rotational instability, preventing component detachment during high-speed operation. Furthermore, the aerodynamically contoured impeller synergizes with the reinforced housing assembly, minimizing friction-induced heat generation and ensuring structural integrity under prolonged stress.

III. Adaptive Installation Solutions
Tailored for complex retrofit scenarios, diagonal flow fans feature modular mounting systems compatible with confined or irregular spaces. Adjustable bracket angles (±15° vertical/horizontal) and multi-axis alignment capabilities allow seamless integration into preexisting architectures without structural modifications. This flexibility simplifies deployment in retrofit projects—such as legacy engine rooms or low-clearance cargo holds—while reducing labor costs and downtime.

Product Parameters

Product Dimensions

Product size parameters

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.