Power frequency cooling fan company

Release time:

2025-10-21

Rotation direction: viewed from the outlet end of the rotor, clockwise is suction and counterclockwise is blowing.
Protection class: IP54
Insulation class: "B" "F"
Installation method: horizontal or vertical installation.
Working mode: continuous working system.
Bearing: Maintenance-free bearing, L10.

Model Description

① YWF-external rotor axial flow fan
② Number of motor poles: 2-two poles, 4-four poles, 6-six poles
③ D-three-phase motor, E-single-phase motor
④ Diameter of fan blade: 400-diameter of fan blade is 400mm
⑤ Wind direction code: S-suction, B- blowing
⑥ Fan Type: A- Pipe High Barrel B- Frame High Barrel C- Frame Low Barrel D-Mesh Cover Type D-Single Flange (Power Frequency Type) E-Post Type
⑦ Number of blades: 5-5 blades

Model Model	Rated voltage Voltage	Frequency Frequency	Current Current	Input Power	Maximum Speed	Maximum air volume	Highest static pressure Pressure	Noise	Capacitance Capacitor
Model Model	V	Hz	A	W	r/min	m³/h	Pa	dB(A)	μF
YWF2E-250	220	50	0.45	100	2550	1800	190	65	3
YWF2D-250	380	50	0.35	105	2650	1850	185	65	-
YWF4E-250	220	50	0.26	60	1440	1100	60	55	2
YWF4D-250	380	50	0.22	55	1450	1150	60	55	-
YWF2E-300	220	50	0.85	170	2650	3050	200	65	4
YWF2D-300	380	50	0.43	160	2650	3000	210	65	-
YWF4E-300	220	50	0.42	80	1400	1950	70	60	3
YWF4D-300	380	50	0.28	90	1400	1950	70	60	-
YWF2E-350	220	50	1.70	380	2550	4750	225	73	10
YWF2D-350	380	50	0.60	295	2550	4850	230	73	-
YWF4E-350	220	50	0.59	130	1400	3270	95	64	5
YWF4D-350	380	50	0.45	120	1400	3270	95	64	-
YWF2E-400	220	50	2.00	430	2550	6080	240	75	10
YWF2D-400	380	50	0.85	500	2350	6480	240	75	-
YWF4E-400	220	50	0.90	180	1400	4600	125	68	6
YWF4D-400	380	50	0.60	200	1400	4600	125	68	-

We will not inform if we change the data in the form

Innovations in Air Movement: Exploring the Benefits of Outer Rotor Coaxial Duct Fan Technology

In the realm of modern air movement and thermal management, technological advancements continue to drive efficiency and performance. Among these innovations, the outer rotor coaxial duct fan stands out as a significant engineering development. This configuration, which integrates the motor's rotor as the fan's outer shell, offers a distinct set of advantages over traditional inner rotor designs. Its unique architecture is increasingly being recognized for its potential in various applications, from aerospace to specialized industrial cooling.

The fundamental design of an outer rotor coaxial duct fan is a key contributor to its benefits. In this system, the rotor surrounds the stator and is directly attached to the fan blades, creating a compact, single rotating assembly. This coaxial arrangement—where all components share a common axis—eliminates the need for additional drive components like shafts, couplings, or pulleys. This direct-drive principle is central to the performance characteristics of the outer rotor coaxial duct fan.

Operational noise and vibration are also positively impacted. The inherent balance of the rotating assembly and the absence of components like gearboxes can lead to smoother operation. This often results in lower acoustic emissions and reduced vibration levels, a critical factor for applications in residential environments, office spaces, or any setting where quiet operation is a priority. The mechanical simplicity of the design not only contributes to quieter performance but also suggests potential for improved reliability. With fewer moving parts subject to wear, the design can contribute to reduced maintenance needs and longer operational lifespans.

In conclusion, the outer rotor coaxial duct fan represents a thoughtful evolution in fan technology. Its integrated, coaxial design offers a compelling combination of compactness, aerodynamic efficiency, and quiet operation. As industries continue to seek out high-performance, space-saving, and reliable solutions for propulsion and cooling, the principles embodied by this technology present a promising path forward for engineers and designers worldwide.

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