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4-72A B4-72 Centrifugal Fan

Zhejiang Shenli Explosion proof Electromechanical Co., Ltd.
Tel: +86-13586259916
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4-72A B4-72 Industrial Centrifugal Air Blower
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Product Advantages Product Features

The Model 4-72 centrifugal ventilator is designed to convey air and other gases that are non-flammable, harmless to humans, and non-corrosive to steel. The gas stream must be free of viscous substances, and the concentration of dust and hard particulate matter contained within it must not exceed 150 mg/m³. The gas temperature must not exceed 80°C. This ventilator features excellent starting performance, smooth operation, low vibration, high efficiency, and a long service life; it is available in four structural configurations: Types A, B, C, and D. This ventilator is widely utilized for indoor ventilation and air exchange in industrial and mining enterprises, large-scale buildings, hotels, restaurants, and similar facilities.

Immediately Import and export size Import and export size
D1 D2 D3 A1 A2 A3 A4 A5 A6 n1-d1
2.8  270  310  328  195  235  270  220  260  295  φ10
3.2  310  350  375  220  260  290  255  295  330  φ10
3.6  360  390  415  250  290  325  285  325  362  φ10
4  395  435  465  280  320  355  320  360  395  Φ10
4.5  450  485  515  315  355  390  360  400  435  φ10
5  500  535  565  350  390  425  400  440  475  φ10
5.6/18.5kW 550  600  620  390  442  490  430  480  528  φ6.8
6  600  645  690  415  462  500  465  512  555  φ10
7.1  690  760  790  576  626  676  495  545  595  Φ12
8  790  850  890  640  710  766  568  635  692  Φ15

Immediately Shape and installation dimensions
G M L F N L1 L2 L3 L4 L5 n2-d2
2.8  470  610  525  200  410  360  260  345  380  536  φ12
3.2  530  630  560  225  405  460  375  345  380  625  φ12
3.6  595  700  630  250  450  450  350  425  465  701  φ12
4  660  855  710  280  575  550  450  465  510  768  φ12
4.5  740  880  745  315  565  550  450  465  510  863  φ12
5  820  970  890  340  630  800  700  545  595  959  φ12
5.6/18.5kW / 980  990  365  615  900  700  525  560  1043  φ12
6  960  1120  900  385  735  825  725  545  600  1146  φ12
7.1  / 1165  1040  475  690  960  924  664  700  1363  φ12
8  1  1314  1290  534  780  1250  1150  695  735  1536  φ12
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 4-72a b4-72 centrifugal fan industrial air blower 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 4-72a b4-72 centrifugal fan factory and wholesaler Factory, our products are sold well throughout the country and Southeast Asia.
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