This belt drive duct fan is published with the manufacturer’s full specification — 110V-440V for option, material Steel. Made by Foshan Chosen Vent Tech Ltd. (16 years on the platform, factory-assessed). Send your target quantity and destination for a firm quotation with current lead times.
Key Features of This Belt Drive Duct Fan
- Model Number: CNB710
- Voltage: 110V-440V for option
- Material: Steel
- Blade Material: powder coating
- Material Of Fan Body: powder coating
- Speed: 1150RPM, 1200RPM, 1250RPM, 1300RPM, 1350RPM
Technical Specifications
| Mounting | Duct Fan |
|---|---|
| Voltage | 110V-440V for option |
| Speed | 1150RPM, 1200RPM, 1250RPM, 1300RPM, 1350RPM |
| Material | Steel |
| Blade Material | powder coating |
| Warranty | 1 Year |
| After-Sales Service Provided | Online support |
| Customized Support | OEM, ODM |
| Place Of Origin | Guangdong, China |
| Brand Name | CHOSEN |
| Model Number | CNB710 |
| Total Pressure | 1540-620 Pa |
| Diameter Of Impeller | 710 mm |
| Material Of Fan Body | powder coating |
| Product Type | Thermal Insulation Centrifugal Fan |
| Selling Units | Single item |
| Single Volume | 0 cm³ |
| Single Gross Weight | 0.0 kg |
Product Details




· Whole fan be coating by electrostatic powder with excellent corrosion resistant function.
· Available working temperature range : -20℃ to 400℃
· The wheel cone and air inlet in exacted assembly. The compact construction to reduce air leak and turbulence, meanwhile the efficiency can be upgrade and noise is lower as well.
· All centrifugal wheels have passed the dynamic balance by international G4.0 level.
· With NSK Bearings (Japanese brand)
· With completed accessories for fan installation and mounting such as structural steel vibration isolation base and Shock Absorber.
· ISO9001:2015 Quality Management Systems.
| Thermal insulation centrifugal fan | |||||
| Model No | Rotation Speed | Power | Air Flow | Total Pressure | Static Pressure |
| RPM | KW | CMH | PA | PA | |
| CNB500 | 1925 | 3 | 2250 | 1560 | 1550 |
| 4 | 4950 | 1605 | 1565 | ||
| 5.5 | 8280 | 1660 | 1560 | ||
| 7.5 | 13050 | 1450 | 1190 | ||
| 1900 | 3 | 2700 | 1520 | 1505 | |
| 4 | 5400 | 1566 | 1526 | ||
| 5.5 | 8640 | 1620 | 1510 | ||
| 7.5 | 13500 | 1310 | 1030 | ||
| 1800 | 3 | 4140 | 1390 | 1370 | |
| 4 | 6120 | 1430 | 1360 | ||
| 5.5 | 9360 | 1415 | 1255 | ||
| 1700 | 3 | 5220 | 1270 | 1230 | |
| 4 | 7920 | 1300 | 1200 | ||
| 7.5 | 12960 | 970 | 710 | ||
| 5.5 | 9450 | 1275 | 1155 | ||
| 1600 | 3 | 6300 | 1140 | 1075 | |
| 4 | 9720 | 1080 | 940 | ||
| 2.2 | 4140 | 1100 | 1080 | ||
| CNB630 | 1515 | 7.5 | 6480 | 1450 | 1400 |
| 11 | 12600 | 1660 | 1535 | ||
| 1400 | 5.5 | 5400 | 1180 | 1150 | |
| 7.5 | 8640 | 1433 | 1370 | ||
| 11 | 23040 | 950 | 590 | ||
| 1300 | 5.5 | 6840 | 1175 | 1105 | |
| 7.5 | 11700 | 1250 | 1150 | ||
| CNB710 | 1350 | 7.5 | 10800 | 1540 | 1520 |
| 11 | 19080 | 1490 | 1340 | ||
| 15 | 34560 | 833 | 367 | ||
| 1300 | 5.5 | 5400 | 1480 | 1460 | |
| 7.5 | 12240 | 1420 | 1360 | ||
| 11 | 21960 | 1320 | 1120 | ||
| 1250 | 5.5 | 8100 | 1333 | 1303 | |
| 7.5 | 15120 | 1285 | 1195 | ||
| 11 | 25920 | 1060 | 790 | ||
| 1200 | 5.5 | 10080 | 1220 | 1170 | |
| 7.5 | 16560 | 1180 | 1070 | ||
| 11 | 31600 | 620 | 220 | ||
| 1150 | 5.5 | 12600 | 1105 | 1035 | |
| 7.5 | 19188 | 1040 | 890 | ||


















Ordering and Pricing
- Minimum order quantity: 2 piece
- Volume pricing:
- 2–498 piece: US $1266 / piece
- 499+ piece: US $185 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this belt drive duct fan?
The standard minimum order quantity is 2 piece. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
What warranty is provided?
The manufacturer provides a 1 Year warranty. Spare parts and technical support remain available after the warranty period.
Can the belt drive duct fan be supplied for my local voltage?
The standard configuration is 110V-440V for option. Alternative voltage and frequency builds are available when specified at the time of order.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Foshan Chosen Vent Tech Ltd., based in China. The company 16 years as a verified Alibaba.com supplier, Trading Company, passed third-party supplier assessment. Browse the full Foshan Chosen Vent Tech Ltd. range on HVACR Nexus.
See more in Metal Duct Fans on HVACR Nexus.

























