The 4-72 Model Centrifugal Fan conveys air and other non-flammable, non-toxic gases that do not corrode steel. No viscous substances are permitted within the system. The dust and hard particulate content must not exceed 150 mg/m³, and the gas temperature must not exceed 80°C. This fan employs backward-curved blades with superior aerodynamic properties, delivering smooth operation, high airflow, minimal vibration, high efficiency, and extended service life. It is widely used for ventilation in industrial and mining enterprises, large-scale buildings, hotels, and restaurants.
The B4-72 type is an explosion-proof centrifugal ventilator, mainly composed of aluminum impeller, casing, air inlet and other components, as well as an explosion-proof motor. It can be used for ventilation of flammable volatile gases, with its performance and installation dimensions being the same as those of the 4-72 type.
The F4-72 type is a corrosion-proof centrifugal ventilator, mainly made of impeller, casing, air inlet and other components constructed from stainless steel (or fiberglass reinforced plastic/FRP), combined with a motor. It is suitable for transporting corrosive gases, and its performance and installation dimensions are identical to those of the 4-72 type.
Type A: Direct drive with the motor, where the fan impeller and casing are directly fixed on the motor shaft and flange plate.
Type C: Equipped with a cantilever support device, driven by a belt.
Type D: Equipped with a cantilever support device, driven by a coupling.
| Core Technical Parameters | |||||
| Model | Rotation speed
（r/min） |
Voltage (V) |
Power (kW) |
Air flow (m³/h) |
Total pressure (Pa) |
| 2.5A | 2900 | 380 | 0.75-2 | 805-1677 | 792-483 |
| 2.8A | 2900 | 380 | 1.5-2 | 1131-2356 | 994-606 |
| 3.2A | 2900 | 380 | 2.2-2 | 1688-3517 | 1300-792 |
| 1450 | 380 | 1.1-4 | 844-1758 | 324-198 | |
| 3.6A | 2900 | 380 | 3-2 | 2664-5268 | 1578-989 |
| 1450 | 380 | 1.1-4 | 1332-2634 | 393-247 | |
| 4A | 2900 | 380 | 5.5-2 | 4012-7419 | 2014-1320 |
| 1450 | 380 | 1.1-4 | 2006-3709 | 501-329 | |
| 4.5A | 2900 | 380 | 7.5-2 | 5712-10562 | 2554-1673 |
| 1450 | 380 | 1.1-4 | 2856-5281 | 634-416 | |
| 5A | 2900 | 380 | 15-2 | 7728-15455 | 3187-2019 |
| 1450 | 380 | 2.2-4 | 3864-7728 | 790-502 | |
| 5.6A | 1450 | 380 | 3-4 | 7062-9885 | 957-759 |
| 6A | 1450 | 380 | 4-4 | 6677-13353 | 1139-724 |
| 960 | 380 | 1.5-6 | 4420-8841 | 498-317 | |
| 6.3A | 1450 | 380 | 5.5-4 | 8052-13028 | 1239-921 |
| 960 | 380 | 1.5-6 | 5331-8626 | 542-403 | |
| 7.1A | 1450 | 380 | 11-4 | 12676-20513 | 1572-1168 |
| 960 | 380 | 3-6 | 8392-13581 | 678-512 | |
| Model | Outlet flange size
(mm) |
Inlet flange dimensions
(mm) |
Outline size
(mm) |
||||||||
| A1 | A | B1 | B | D | d | L | L1 | H | h | W | |
| 2.5A | 225 | 165 | 264 | 202 | 310 | 245 | 506 | 174 | 525 | 353 | 443 |
| 2.8A | 270 | 195 | 295 | 223 | 330 | 280 | 580 | 197 | 591 | 380 | 493 |
| 3.2A | 289 | 219 | 326 | 255 | 372 | 320 | 658 | 230 | 647 | 410 | 518 |
| 3.6A | 320 | 250 | 360 | 291 | 410 | 355 | 725 | 254 | 726 | 473 | 608 |
| 4A | 357 | 286 | 400 | 331 | 464 | 400 | 804 | 285 | 873 | 577 | 715 |
| 4.5A | 391 | 320 | 436 | 364 | 515 | 450 | 894 | 313 | 903 | 575 | 741 |
| 5A | 425 | 355 | 476 | 404 | 561 | 500 | 999 | 354 | 1046 | 703 | 889 |
| 5.6A | 445 | 369 | 529 | 453 | 620 | 560 | 1103 | 390 | 1067 | 683 | 728 |
| 6A | 504 | 424 | 560 | 480 | 663 | 603 | 1182 | 420 | 1155 | 747 | 823 |
| 6.3A | 523 | 446 | 585 | 507 | 698 | 630 | 1236 | 439 | 1209 | 777 | 883 |
| 7.1A | 606 | 506 | 680 | 580 | 795 | 730 | 1458 | 495 | 1220 | 875 | 1055 |
The FCF Square Kitchen Centrifugal Fan is primarily designed for kitchen ventilation and air exchange. It efficiently expels cooking fumes, heat, and odors generated during food preparation, significantly improving kitchen air quality. By preventing fumes from spreading to dining areas, it safeguards customer experience. Additionally, its low-noise design ensures minimal disturbance to dining or living areas, making it an ideal solution for commercial kitchens where noise control is critical.
Ideal for moisture-proof drying; localized heating; construction sites; outdoor heating; equipment insulation; railway stations and airports; yachts and ships; paint drying; mobile heating; quick warming; venues and clubs; clean heat delivery; rapid temperature rise, etc. Working pressure ≤ 0.8 MPa.
The HX63 is a new type developed from the 11-62 series. Engineered to meet the demands of green industry and environmental noise reduction. Featuring a redesigned impeller with an optimized aerodynamic blade structure. This delivers key advantages: low noise, minimal vibration, and extended service life. Suitable for kitchen exhaust, fume extraction, or ventilation in public venues like canteens, hotels, and restaurants. Also ideal for use with production equipment such as grain machinery, chemical machinery, and plastic machinery. Highly versatile and adaptable for wide-ranging applications.
The New Power Frequency Type YWF Series Mains-Frequency-Type Fan is a product developed by our company through repeated research and trial production. Compared with conventional axial flow fans, this fan features higher energy efficiency ratio, lower noise, minimal vibration, more compact structure, and more aesthetically pleasing appearance. This series is suitable for occasions where space is limited and environmental requirements are high.
The CBF Explosion-Proof Axial Fan is specialized ventilation equipment for hazardous environments. The fan is composed of an explosion-proof motor, blades, casing, etc. To prevent sparks from friction, the blades are made of cast aluminum alloy.The fan features low noise, low energy consumption, and superior performance. In addition to ventilation and exhaust, it can be installed in spaced series along long exhaust ducts to increase duct pressure. Unlike general fans in structure and material, its applications are similar.
The DPT Ultra-Quiet Ventilator is a product developed by our company after introducing advanced technologies and manufacturing methods both at home and abroad.Suitable for ventilation in quiet places such as offices, hotels, villas, guesthouses, etc.
The DF Series Low-Noise Centrifugal Blower features excellent process design, robust materials, stable and reliable performance, and significant noise reduction effects. It is characterized by low noise, high efficiency, long service life, and easy installation. Widely applicable in industries and sectors such as telecommunications, power, electrical engineering, electronics, geology, coal mining, shipbuilding, and papermaking, it is particularly suitable for cooling, temperature control, and ventilation in environments including plastic machinery, printing machinery, blueprint machines, dryers, blow molding machines, and underground facilities.
The YWF Series External Rotor Fan is a new product developed by our company through repeated research and trial production. Compared with conventional axial flow fans, this fan features higher efficiency, lower noise, minimal vibration, compact structure, and aesthetically pleasing appearance. The impeller is directly mounted on the outer circumference of the external rotor, resulting in shorter axial dimensions. Its successful development represents a major breakthrough in the field of axial flow fans. This series has obtained multiple national patents.
The XCF is a new type developed from the CF-11 series. Engineered to incorporate the needs of modern urban kitchens, this comprehensive fan balances features like high resistance, high static pressure, ultra-low noise, and safety in its design.Compared to conventional multi-blade fans, it offers advantages such as higher pressure and lower noise levels. Moreover, it features a high static pressure design to tackle long ductwork and high resistance typical of modern kitchen setups.Featuring a redesigned impeller with an optimized aerodynamic blade structure. This delivers key advantages: low noise, minimal vibration, and extended service life.
SF Series Axial Flow Fans feature a smooth streamlined surface, offering advantages such as stable operation, high efficiency, low noise, and low energy consumption. The SF series fans are classified into three types by usage requirements: duct type, fixed type, and post type, and divided into 12 models by impeller diameter.
The impeller of the transparent medium pressure fan is covered with a mechanical shell, and the center of the impeller is the air inlet. It has the advantages of light weight, beauty, high wind pressure, large air volume, and stable wind pressure. Widely used for ventilation or blowing on woodworking machinery, glass machinery, blown film machines, packaging machinery, plastic product machinery, and other industry equipment.
The 9-26 Type High-pressure Centrifugal Ventilator can be widely used for conveying materials, air, and gases that are non-corrosive, non-self-igniting, and free of viscous substances. The temperature of the conveyed medium generally does not exceed 80°C, and the dust and hard particles content does not exceed 150mg/m³. It is suitable for high-pressure ventilation in general forging and smelting, glass, ceramics, radio, electroplating, storage battery industries, as well as material conveying in processing industries such as grain, feed, mineral powder, and plastics.
The FA series exhaust fan has the characteristics of sturdy structure, beautiful appearance, low noise, and low energy consumption, and is suitable for ventilation, air exchange, and cooling in general environments such as factories, warehouses, offices, canteens, and kitchens.
The SFA premium axial flow fan improves upon the SF model by redesigning the blades and adopting an aluminum alloy casing to enhance the motor’s sealing performance. It features low noise, large air volume, high wind pressure, excellent heat dissipation, and stable operation.
Designed for hazardous, flammable, or explosive environments.Adopts a series of explosion-proof measures to ensure safe operation in dangerous environments. The pump features a special explosion-proof housing material to prevent sparks or arcs from igniting the surroundings. Also includes dust-proof functions to withstand harsh conditions.
The casing of the plastic air mold fan is injection molded from engineering plastics, featuring light weight, low cost, good insulation and an attractive appearance. The blades of the fan are designed to have the advantages of large air volume, high pressure, low vibration and low noise.
