Powerful Larissa Industrial Electric Fan for Maximum Airflow

• Overview
• Product Description
• Product Parameters
• Company Profile
• Certifications
• Packaging & Shipping
• Our Advantages
• FAQ

Overview

Basic Info.

Model NO.	YWF
Flow Direction	Axial Flow
Pressure	Low Pressure
Certification	RoHS, UR, ISO, CE, CCC
Warranty	1 Year
Power	30~750 W
Air Volume	780-13000 M³/H
Voltage	220V/380V
Frequency	50Hz/60Hz
Compact Integration	Space-Saving External Rotor Design
Motor Efficiency	High-Efficiency Induction Motor
Protection Rating	IP44 / IP54 Ingress Protection
Insulation Standard	Class F/B Insulation
Precision Balancing	Dual-Plane Dynamic Balance (G6.3 Grade)
Bearing Technology	Maintenance-Free Sealed Ball Bearings
Blade Aerodynamics	Aerodynamically Optimized Impellers
Operating Temperature Range	Wide Working Ambient (-30°C to +60°C)
Acoustic Performance	Low-Noise Operation
Mounting Flexibility	Multi-Position Installation
Transport Package	Wooden Box
Trademark	JIANBENFAN
Origin	Zhejiang
Production Capacity	50000 Pieces/Year

Packaging & Delivery

Package Size100.00cm * 100.00cm * 100.00cm Package Gross Weight100.000kg

Product Description

Product DescriptionCompact Power, Efficiency Redefined: External Rotor Axial Fan Compared to traditional axial fans, the External Rotor Axial Fan stands out as a performance benchmark in modern ventilation and refrigeration equipment. By integrating the motor rotor directly into the fan impeller, this "inside-out" design offers a thinner, more stable, and more efficient solution for demanding industrial applications.Core Structural Advantage: The External Rotor Design
Maximum Space Utilization: Because the motor rotor serves as the hub of the impeller, the overall axial dimension is extremely short. It is the ideal choice for space-constrained equipment, such as ultra-thin air conditioners or compact heat exchangers.
Superior Heat Dissipation: The motor is positioned directly within the airflow. The moving air continuously carries away the heat generated during operation, significantly extending the motor's lifespan and ensuring stability under high-load conditions.
Key Product Features
Smooth Operation with Minimal Vibration: The impeller and rotor are integrated into a single unit and undergo precision dynamic balancing (reaching G6.3 or higher standards). This drastically reduces operational noise and mechanical wear.
Maintenance-Free Enclosed Design: Equipped with high-grade, maintenance-free deep-groove ball bearings. The motor housing typically meets IP44 or IP54 protection ratings, making it dust-proof, moisture-proof, and suitable for harsh environments.
High Starting Torque: The external rotor structure provides higher inertia, ensuring smooth startups and compatibility with automated control systems that require frequent on/off cycles.
Versatile Blade Materials: Depending on the environment, blades are available in cold-rolled steel, die-cast aluminum alloy, or reinforced plastic (PBT) to meet anti-corrosion or lightweight requirements.
Smart Control Compatibility: Supports 100% stepless speed regulation (via voltage control or EC frequency conversion technology), allowing for precise temperature-controlled interfacing with sensors.

Product Parameters

Model (NO.)	Voltage (V)	Frequency (Hz)	Current (A)	Power (W)	Speed (r/min)	Volume (m³/min)	Pressure (m³/min)
YWF2D-200	380	50	0.21	80	2600	1080	120
YWF2E-200	220	50	0.3	80	2600	1080	120
YWF4D-200	380	50	0.15	55	1380	780	60
YWF4E-200	220	50	0.25	55	1380	780	60
YWF2D-250	380	50	0.3	120	2600	1850	190
YWF2E-250	220	50	0.58	120	2600	1850	190
YWF4D-250	380	50	0.23	60	1400	1250	60
YWF4E-250	220	50	0.25	60	1400	1250	60
YWF2D-300	380	50	0.3	180	2600	3250	210
YWF2E-300	220	50	0.8	180	2600	3250	210
YWF4D-300	380	50	0.25	80	1400	1950	70
YWF4E-300	220	50	0.35	80	1400	1950	70
YWF2D-350	380	50	0.72	420	2600	4850	225
YWF2E-350	220	50	1.9	420	2600	4850	223
YWF4D-350	380	50	0.45	130	1400	3270	93
YWF4E-350	220	50	0.55	130	1400	3270	93
YWF2D-400	380	50	1.05	580	2600	6480	240
YWF2E-400	220	50	2.4	580	2600	6480	240
YWF4D-400	380	50	0.6	190	1400	4800	125
YWF4E-400	220	50	0.9	190	1400	4800	125
YWF4D-450	380	50	0.58	280	1400	5410	150
YWF4E-450	220	50	1.25	280	1400	5410	150
YWF4D-500	380	50	0.8	370	1400	8850	190
YWF4E-500	220	50	1.75	370	1400	8850	190
YWF4D-550	380	50	0.95	550	1400	10800	215
YWF4E-550	220	50	2.6	550	1400	10800	215
YWF4D-600	380	50	1.55	750	1400	13000	230
YWF4E-600	220	50	3.25	750	1400	13000	230

Company Profile

Zhejiang Jianben Fan Technology Co., Ltd Zhejiang Jianben Fan Technology Co., Ltd. is an enterprise specialized in research, development and manufacturing of various fans, with more than 20 years of industry experience.

Our company's main products include centrifugal fan, axial flow fan, boiler fan, material conveying fan, painting fan, etc.

Our company has established a fan R and D center and a testing laboratory, and passed the ISO9001 quality management system certification.

With our extensive industry experience and outstanding technical team, we are able to provide customized solutions to your needs.

Certifications

OEM&ODMELITE TEAM Our R&D team enables us to frequently provide new designs, and we are always able to meet our customers' OEM and ODM requirements. We have an experienced management team and well-trained production workers to provide us with better customer service.Packaging & Shipping

Our Advantages

Professional software and customization Our engineers ensure accurate selection through professional selection software, provide you with the most appropriate fan solutions, and avoid waste of resources caused by wrong selection. In addition, we can also customize designs and drawings based on actual working conditions.FAQQ: Are you a manufacturer or a trader?
A: We are a manufacturer specializing in the production of fan for 20 years.

Q: Do you have machines in stock to sell?
A: Standard products will have sufficient inventory, non-standard customized products we will try to meet your delivery date.

Q: How about the quality of your products?
A: We dare not say the lowest price in the fan industry, nor the best quality in the industry, but we must have quality beyond the commodity price. Our products are solid in materials and exquisite in design, and will not fail every penny you spend on them.

Q: If I want to get a product, what information should I tell you?
A: First of all, you need to tell me the type of product you want to order or the performance and size parameters you need to meet. We can help you select the right product. Secondly, tell us the quantity of products you need, packing requirements and transportation requirements. Then we can give you an accurate quotation.

Q: Where is your factory?
Our factory is located in Linhai City, Zhejiang Province, China. If you have any questions about our products or our company. You can contact us via WhatsApp or email or WeChat, and we will reply you as soon as possible.