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CF-11 Low-Noise Multi-Blade Centrifugal Fan

Zhejiang Shenli Explosion proof Electromechanical Co., Ltd.
Tel: +86-13586259916
E-mail:[email protected]
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CF-11 Low Noise Centrifugal Fan for HVAC Ventilation
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Product Advantages Product Features

The Model CF-11 Low-Noise Multi-Blade Centrifugal Ventilator was designed and manufactured by our company to meet the evolving needs of the purification industry and environmental noise reduction initiatives. The fan's design incorporates a multi-objective optimization approach for various aerodynamic parameters—such as noise levels and efficiency—thereby achieving optimal performance matching for the entire unit. Boasting excellent aerodynamic characteristics, the fan features an impeller and drive belt that have undergone rigorous dynamic balancing; consequently, it is characterized by smooth operation, low noise levels, high airflow volume, minimal vibration, and a long service life. It is widely utilized in public venues—such as corporate cafeterias, hotels, restaurants, and eateries—for kitchen exhaust, fume extraction, and general ventilation purposes. Furthermore, it is well-suited for integration into production machinery across various sectors, including grain processing, chemical manufacturing, and plastics processing. With its broad range of applications and strong adaptability, it serves as a highly versatile solution.

Immediately Import and export size Import and export size
D1  D2 D3 A1 A2 B1 B2 axb cxd n2-d2
2  Φ160 φ190    φ220 131  185  144  212  157  184  φ8
2.5  φ200 Φ235    φ265 131  183  166  215  160  192  φ7
3  φ258 φ290    φ310 215  285  220  290  250  255  φ10
3.5  φ300 φ344    φ363 227  297  253  325  262  290  φ10
4  φ340 φ365    φ390 206  276  250  320  241  282  φ10
4.5  φ455 φ484    φ520 285  355  365  435  320  400  φ12

Immediately Shape and installation dimensions
G M N K L a a1 b b1 d3
2  410  445  270  145  385  145  250  200  230  φ10
2.5  405  450  290  180  390  240  300  208  230  φ10
3  560  580  385  210  555  400  480  240  275  Φ12
3.5  560  675  445  245  600  400  480  270  300  φ14
4  800  775  475  265  610  440  530  360  395  Φ14
4.5  760  870  570  320  710  500  595  385  430  φ14

Model Power
(kw-P)		 Traffic
(m³/h)		 Speer
(r/min)		 Total  pressure
(Pa)
CF-11 No2A 1.1-2 1900-2500 2800    1200-959
CF-11 No2A 0.25-4 790-1120 1450  380-260
CF-11 No2.5A 22-2 4500-5800 2800  1850-1550
CF-11 No2.5A 0.75-4 2050-3030 1450  490-390
CF-11 No3A 1.5-4 3100-5000 1450  840-650
CF-11 No3.5A 22-4 5100-6700 1450  1200-1000
CF-11 No3.5A 3-4 5300-7200 1450  1180-1000
CF-11 No3.5A 1.1-6 3380-4440 960  530-440
CF-11 No4A 4-4 8712-11188 1450  1302-1040
CF-11 No4A 1.5-6 3900-6500 960  580-520
CF-11 No4.5A 5.5-4 10300-16000 1450  1300-760
CF-11 No4.5A 3-6 7000-9000 960  750-600
CF-11 No5A 5.5-6 14800-22000 960  870-680
About Us
Zhejiang Shenli Explosion proof Electromechanical Co., Ltd.
Zhejiang Shenli Explosion proof Electromechanical Co., Ltd.
Zhejiang Shenli Explosion proof Electromechanical Co., Ltd. is a modern enterprise specializing in the production of explosion-proof axial flow fans, and providing customized low noise centrifugal fan cf-11 products, centrifugal ventilation fans, and civilian fans. All fans are produced strictly in accordance with the national level 2 energy efficiency standards. Our company regards talent as the foundation of enterprise development and has strong technical strength and abundant human resources. Guided by scientific production management, the production workshop adopts a closed modern factory building with its own experimental center, processing center, testing center and equipment, ensuring strong product quality and winning wide trust and praise from users. To face the market with professional skills, greater investment, and continuous innovation. With a nationwide marketing network and scientific sales philosophy, combined with quality and brand, it has created strong competitiveness, making it stand out among its peers. As a professional low noise centrifugal fan wholesaler Factory, our products are sold well throughout the country and Southeast Asia.
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