Product Description
The Backward Curved Centrifugal Blower is engineered with a unique impeller design that maximizes airflow while minimizing energy consumption. The backward-curved blades reduce air resistance, creating a smoother, more efficient flow of air. This makes it ideal for industrial applications where optimized airflow and energy efficiency are required, such as ventilation systems, cooling towers, and air handling units.
This blower's design also makes it quieter than traditional centrifugal blowers, making it suitable for locations where noise reduction is a priority. Built for durability, it features a corrosion-resistant casing and a high-efficiency motor, providing reliable, long-term performance even in demanding environments.
The backward curved centrifugal blower is a great choice for companies looking to improve airflow while reducing energy costs. Its optimized design ensures consistent performance, making it a popular option for facilities that prioritize both efficiency and reliability.
Device Configuration
Fan type: A-type motor direct connection, C-type belt drive, D-type coupling drive;
Motor brand: Yineng Motor (default), Lu'an Motor, Wannan Motor, Siemens, and other well-known brands (can be specified);
Impeller: high-quality carbon steel, stainless steel, rubber lining, wear-resistant layer or wear-resistant lining plate, ceramic patch (can be specified);
Bearings: Wafangdian, NSK (can be specified);
Spindle: high-strength carbon steel, stainless steel, composite steel, etc.;
Bearing seat: cast iron
Optional configurations:
Integral bracket; Protective cover; Muffler; Inlet and outlet compensator; Inlet and outlet matching flange; Adjusting door; Electric actuator; Shock absorber; Diaphragm coupling; Hydraulic coupler; Motor rain cover; Temperature sensor; Vibration sensor; Soft start device; Inverter;
Detailed Photos
Product Parameters
| Model No |
9-19 4A~16D |
| Use |
Smoke and dust removal |
| Voltage |
380V/400V/415V/440V/450V/660V/1140V |
| Color |
Blue/Red/White/Grey/Yellow/Customized |
| Application Industries |
Steel Mill/Textile, Chemical, Smelting, Petroleum, Kiln and Many Factories |
| Specification |
Can provide according to customers requirements sizes |
| Brand Name |
Zhi Feng |
| Power |
2.2~220KW |
| Rotating Speed |
2900~960rpm |
| Total Pressure |
3584~12078Pa |
| Airflow |
824~81496M3/H |
| Package |
Wooden Box/Steel frame |
| Temperature Resistance |
-40~350 Degrees |
| Material |
SS304, SS316 and Q235 |
| Frequency |
50Hz/60Hz |
| Impeller Type |
Backward/Forward/Radial Blade |
| After-Sales Service |
Field Installation, Commissioning, and training efficiencytotal |
| %) |
Over 90% |
| Exported to |
All Countries |
| Warranty |
18 Months |
| Type |
Motor Power |
Voltage |
Frequency |
Speed |
Air Flow |
Pressure |
| V |
Hz |
r/min |
m3/h |
Pa |
| 9-19 3.15A |
0.75KW-2P |
380 |
50 |
2830 |
402-545 |
2223-2262 |
| 1.1KW-2P |
380 |
50 |
2830 |
617-832 |
2231-2017 |
| 9-19 3.55A |
1.5KW-2P |
380 |
50 |
2840 |
560-760 |
2545-2590 |
| 2.2KW-2P |
380 |
50 |
2840 |
860-1160 |
2554-2310 |
| 9-19 4A |
2.2KW-2P |
380 |
50 |
2840 |
824-1264 |
3584-3597 |
| 3KW-2P |
380 |
50 |
2870 |
1410-1704 |
3507-3253 |
| 9-19 4.5A |
4KW-2P |
380 |
50 |
2890 |
1174-2062 |
4603-4447 |
| 5.5KW-2P |
380 |
50 |
2900 |
2281-2504 |
4297-4112 |
| 9-19 5A |
7.5KW-2P |
380 |
50 |
2900 |
1610-2844 |
5697-5517 |
| 11KW-2P |
380 |
50 |
2900 |
3166-3488 |
5323-5080 |
| 9-19 5.6A |
11KW-2P |
380 |
50 |
2900 |
2622-3619 |
7182-7109 |
| 15KW-2P |
380 |
50 |
2900 |
3309-4260 |
7068-6755 |
| 18.5KW-2P |
380 |
50 |
2900 |
3996-4901 |
6954-6400 |
| 9-19 6.3A |
18.5KW-2P |
380 |
50 |
2900 |
3220-5153 |
9149-9055 |
| 22KW-2P |
380 |
50 |
2900 |
4455-6066 |
9003-8601 |
| 30KW-2P |
380 |
50 |
2900 |
5690-6978 |
8857-8148 |
Company Profile
Contact Us
Company: Zibo Hengding Fan Co., Ltd.
Address: Industrial Park, Beijiao Town, Zhoucun District, Zibo City, Shandong Province, China.
Website: http://hengdingfan.en.made-in-china.com
Cellphone: 0086 198 6252 1678
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