Hot Sell CE Certified 55dB Residential Areas Low Noise Centrifugal Ventilator

• Customization: Available
• Material: FRP
• Usage: for Experiment, for Air Conditioner, for Manufacture
• Model NO.: SYS4-72
• Flow Direction: Centrifugal
• Pressure: High Pressure
• Certification: ISO, CE
• Air Volume: 3, 800-77, 500 M³/H
• Air Pressure: 500-2, 500 PA
• Applicable Temprature: -50°c-70°c
• Features: Corrosion-Resistance, High Efficiency, Low Noise
• Motor Brand: Siemens/Westinghouse/Baldor
• Motor Capacity: 1.1-75kw
• Voltage: 220V/380V/400V/415V/440V/450V/660V/1140V
• Frequency: 50Hz
• Rotation Speed: 2900rpm/1450rpm/960rpm/730rpm/630rpm/500rpm
• Impeller Structure: Backward/Forward
• Blade Material: FRP, Carbon Steel, Stainless Steel, Aluminum Alloy
• Certifications: CE, ISO 9001, SGS Anti-Corrosion Test Report
• Exporting Countries: USA, Canada, Russia, Countries of West & East Asia
• Warranty: 1 Year
• MOQ: 1 Unit
• Transport Package: Heavy Carton, Wooden Crate, Steel Strap Bundling
• Specification: 50-80kg
• Trademark: Shuangyi
• Origin: Shandong, China
• HS Code: 841459300
• Production Capacity: 10000 Pieces/Year

Product Description

Product Description

The SYS4-72 High Volume Centrifugal Forced Draft Fan is specifically engineered for industrial cooling and dust removal applications, providing exceptional airflow performance and operational reliability. Constructed with a robust FRP composite structure, this fan exhibits superior corrosion resistance and lightweight durability, making it particularly suitable for demanding environmental conditions.  

Key Features

 

High Performance: Delivers substantial airflow capacity (up to 150,000 m³/h) and high static pressure (1.6 kPa), ensuring efficient cooling and effective dust extraction.  

Energy Efficiency: Equipped with an advanced IE5 motor, which minimizes energy consumption while maintaining optimal performance levels.  

Quiet Operation: Designed to operate at low noise levels (≤85 dB(A)), complying with stringent workplace safety regulations.  

Customizable Design: Available in both horizontal and vertical configurations, with optional silencers and a range of flange sizes (DN400-DN1600).  

Wide Temperature Range: Capable of handling gases within the temperature range of -20°C to 120°C, demonstrating adaptability to extreme operating conditions.  

 

Product Parameters

1. Basic Technical Parameters

Parameter	Specification	Unit
Air Volume	12,500 - 150,000	m³/h
Air Pressure	360 - 16,000	Pa
Impeller Diameter	400 - 1,600	mm
Rotation Speed	1,450 / 2,900	rpm
Motor Power	1.1 - 25+	kW
Voltage/Frequency	380V/50Hz (Customizable)	V/Hz
Material	Full FRP / Steel Frame + FRP Composite	-
Blade Type	Backward-curved / Forward-curved	-

2. Material & Structure

Parameter	Specification	Description
Housing Thickness	5 - 8	mm (2 - 3 mm anti-corrosion layer)
Impeller Material	FRP Molding / Fiberglass Reinforced	Corrosion-resistant, anti-aging
Drive Method	Belt Drive / Direct Drive	Optional reducer available
Installation Method	Horizontal / Vertical / Wall-mounted	Customizable brackets supported

3. Performance Parameters

Parameter	Specification	Test Standard
Efficiency	≥85%	GB/T 1236-2017
Vibration Intensity	≤2.8	mm/s
Noise Level	≤85	dB(A) (ISO 5801 Standard)
Temperature Range	-20ºC ~ 120ºC	Short-term peak: 150ºC

4. Application Parameters

Parameter	Application Scenarios	Industry Cases
Gas Type	Corrosive gases (HCl/sulfuric acid mist), dust, high-temperature gases	Chemical, electroplating, environmental protection
Medium Handled	Acid/alkaline waste gas, dusty air	Steel plants, cement factories, pharmaceutical workshops
Maximum Dust Concentration	≤1,000	mg/m³ (Optional dust filter available)

Detailed Photos

 

Applications

 

Industrial cooling systems, including steel mills and power plants.  

Dust collection in mining, cement, and manufacturing facilities.  

Ventilation systems in chemical processing plants and wastewater treatment facilities.  

 

Certifications & Service

Certified under CE, ISO 9001, and SGS anti-corrosion standards.  
Includes a comprehensive 1-year warranty covering parts and labor, along with round-the-clock technical support (24/7).  

 

Packaging & Shipping

Our Advantages

ABOUT US

Shandong Shuangyi Group Co., Ltd. was founded in 1984 and has since developed into a modern enterprise specializing in the research, development, production, and sales of ventilation equipment. The company's headquarters are situated in Jinan City, Shandong Province, known as the "Hometown of Springs in China." At the same time, its production base is located in the Xinhua Industrial Park, Dezhou, Shandong Province. Shandong Shuangyi Group Co., Ltd. is an internationally certified enterprise under the ISO 9001 quality management system.

The company's primary products include a wide range of centrifugal fans, axial-flow fans, diagonal-flow and mixed-flow fans, firefighting fans, cabinet fans, wall-mounted fans, no-power exhaust fans, kitchen exhaust fans, and three-phase asynchronous motors, among others. Additionally, the company is capable of designing and manufacturing various non-standard and specialized exhaust equipment as well as custom fans according to specific customer requirements.
 

FAQ

1. Q: Are you a Trading Company or a Manufacturing Factory?
A: We are both a manufacturer and a trading company. We have our factory, which we have operated for almost 40 years, and this enables us to provide better service to our overseas customers. Welcome to send your inquiry!

2. Q: I am interested in your products. Could I get a sample for free?
A: We can supply a few pieces of free samples if we have them in stock, and you only need to cover the freight cost yourself.
Welcome to send your inquiry for FREE samples!

3. Q: How about the Delivery time?
A: 10- 15 days after receiving the deposit, based on the MOQ. Typically, it takes 30-35 days to finish the order for a 20ft container.
Please feel free to ask for a detailed delivery time according to your order quantity.

4. Q: How can you guarantee the product quality?
A: We have a quality control system based on ISO 9001:2015, and it has been followed strictly. We also have a professional QC team, and each of our package workers is responsible for the final inspection, as instructed by the QC team, before packing.

5. Q: What is the payment term?
A: Basically, the payment terms are T/T, L/C at sight. Western Union, Alipay.

6. Q: Can you do OEM for me?
A: We accept all OEM orders. Contact us with your design, and we will offer you a reasonable price as soon as possible.

Purchasing Notice
1. If you only know the volume or area of your warehouse, plant, or workshop, such as its dimensions (length, width, and height), please don't hesitate to contact us promptly. By doing so, our engineers can design the specifications and quantity of the product to meet your needs.

2. If no specification parameter is required in the parameter table, please specify your requirements, and we will provide a satisfactory design scheme.

3. If you have confirmed our products, please place an order and then make payment. After that, we will arrange delivery as soon as possible. Without a change in the order before delivery, we will provide you with an exquisitely prepared gift.

4. If you encounter any transportation difficulties, please contact us immediately, and we will provide a suitable plan to minimize freight costs as much as possible.