Product Application

Forward curved centrifugal fans without shell, often recognized by their characteristic multi-vane impeller, represent a highly efficient solution for applications demanding significant airflow within minimal space constraints.

Crafted from durable zinc-plated steel, these fans excel at generating high volumetric flow rates at relatively low static pressures, offering OEM designers a compact, cost-effective, and flexible cooling component. they are the indispensable choice for thermal management in telecommunications infrastructure, UPS systems, industrial drying equipment, and various commercial appliances, ensuring reliability and performance where effective ventilation is paramount.

Multi-Blade Type Forward Curved Centrifugal Fan Widely used for Electrical cooling cabinet, ventilation and dust removal of pipelines, air filter system, chemical heat dissipation, etc.

Basic Information

Fan Type	AC Multi-blade Forward Curved Centrifugal Fan Φ250-Φ400mm
Blade/Net mesh Material	Galvanized Iron
Rotor Material	Cast Aluminium
Motor	AC 100% Copper Coil External Rotor Motor
Bearing	Ball Bearing
Protection Class	IP54
Insulation Class	F
Operating Temperature	-30℃ To +60℃

Technical Parameters

Type	Diameter of Air Inlet(mm)	Voltage (V)	Input power (W)	Speed (Rpm)	Max Airflow (CMH)	Airflow Curves
YWFF-4E250	φ250	230	550	1350	2350	①
YWFF-4D250	φ250	380	560	1350	2380	②
YWFF-4E280	φ280	230	850	1350	2950	①
YWFF-4D280	φ280	380	860	1350	3080	②
YWFF-4D315	φ315	380	1100	1350	4140	①
YWFF-6D315	φ315	380	760	910	3080	②
YWFF-4D350	φ350	380	2200	1350	5140	①
YWFF-6D350	φ350	380	1100	900	4080	②
YWFF-4D400	φ400	380	3700	1350	7140	①
YWFF-6D400	φ400	380	2200	900	6080	②

Fan Dimension

Packaging&Shipping：

Our products are usually packed in cardboard boxes with PE bags inside. We will pay attention to prevent collision, and the shipping mark can be made according to customer's requirements.

 Payment terms ,Delivery and Service：

Payment: All payments can be negotiated, usually by T/T or L/C at sight.

Delivery time: After receiving your payment, we will arrange production. We will ship the goods to your port of delivery as soon as possible.

Service: One year warranty, online technical service.

FAQ:

Q1:If there is no product size that meets the requirements, can it be customized?

A:If we can produce the required products, we can produce the required products according to the drawings and requirements provided by customers.

Q2:How long does it take to produce?

A:There is a stock can be sent Immediately. If there is no stock, one month at the latest.

Q3:How long does it take to ship?

A:It will take about 5-7 days to arrive by express and air. It may take up to a month to ship. It takes different time for different geographical locations.

Q4:Can you provide samples?

A:Yes. We can provide samples, but because most of the samples are sent by express, the cost may be very high.

 After-sale Service:

Guide installation

Guidance on online service delivery

Advance service, whole process service

Communicate operation with customer's technicians