Centrifugal blower — 110V-440V for option, blade material Fiber Glass. The complete factory specification follows. Made by Foshan Chosen Vent Tech Ltd. (16 years on the platform, factory-assessed). For a binding price and lead time, send the volume you need and where it ships to.
Key Features of This Centrifugal Blower
- Model Number: F4-72-4A
- Voltage: 110V-440V for option
- Blade Material: Fiber Glass
- Material Of Fan Body: Fiber Glass
- Warranty: 1 Year
- Certification: ce
Technical Specifications
| Mounting | Duct Fan |
|---|---|
| Voltage | 110V-440V for option |
| Blade Material | Fiber Glass |
| Electric Current Type | AC |
| Warranty | 1 Year |
| After-Sales Service Provided | Online support |
| Customized Support | OEM, ODM |
| Place Of Origin | Guangdong, China |
| Brand Name | CHOSEN |
| Model Number | F4-72-4A |
| Total Pressure | 2014-329 Pa |
| Diameter Of Impeller | 400 mm |
| Material Of Fan Body | Fiber Glass |
| Product Type | Anti-Corrosion Centrifugal Fan |
| Certification | ce |
| Type | Centrifugal Fan |
| Packaging Details | wooden case |
| Port Of Dispatch | Guangzhou/Foshan/Shenzhen |
| Selling Units | Single item |
| Single Package Size | 90X100X130 cm |
| Single Gross Weight | 76.000 kg |
| Supply Ability | 8000 pieces per Month |
Product Details




| ANTI-CORROSION CENTRIFUGAL FAN(F4-72C SERIES) | ||||
| Item | Power | Speed | Air Flow | Total Pressure |
| Kw | r/min | m³/h | Pa | |
| F4-72-2.8C | 0.75 | 1450 | 566-1060 | 497-303 |
| 1.5 | 2900 | 1131-2120 | 994-606 | |
| F4-72-3.2C | 1.1 | 1450 | 844-1582 | 324-198 |
| 2.2 | 2900 | 1688-3165 | 1300-792 | |
| F4-72-3.6C | 1.1 | 1450 | 1332-2371 | 393-247 |
| 2.2 | 2200 | 1843-3420 | 1142-837 | |
| 3 | 2900 | 2664-4741 | 1578-989 | |
| F4-72-4C | 2.2 | 1800 | 2320-3642 | 724-432 |
| 4 | 2250 | 2582-3857 | 1842-934 | |
| 5.5 | 2900 | 4012-6677 | 2014-1320 | |
| F4-72-4.5C | 1.5 | 1600 | 2856-4696 | 824-634 |
| 3 | 2000 | 3420-6781 | 1524-729 | |
| 5.5 | 2500 | 4512-8344 | 2018-1332 | |
| 7.5 | 2900 | 5712-9505 | 2554-1673 | |
| F4-72-5C | 3 | 1600 | 3864-7728 | 790-502 |
| 4 | 1800 | 4012-7931 | 924-713 | |
| 5.5 | 2000 | 5332-8721 | 1642-1132 | |
| 7.5 | 2500 | 5621-9418 | 2099-1393 | |
| F4-72-6C | 3 | 1250 | 5756-10359 | 846-537 |
| 4 | 1450 | 6677-12017 | 1139-724 | |
| 5.5 | 1600 | 7367-13260 | 1389-881 | |
| 7.5 | 1800 | 8288-14917 | 1760-1116 | |
| 11 | 2000 | 9309-16576 | 2176-1380 | |
| F4-72-7C | 4 | 1000 | 7312-13161 | 736-468 |
| 5.5 | 1120 | 8189-14740 | 924-586 | |
| 7.5 | 1250 | 9140-16451 | 1151-731 | |
| 11 | 1450 | 10602-19083 | 1550-984 | |
| 15 | 1600 | 11698-21057 | 1890-1190 | |
| F4-72-8C | 5.5 | 1000 | 10914-18213 | 963-707 |
| 7.5 | 1120 | 12224-20399 | 1209-887 | |
| 11 | 1250 | 13643-22767 | 1507-1106 | |
| 15 | 1450 | 15826-26409 | 2032-1490 | |
| 18.5 | 1520 | 16734-27775 | 2255-1681 | |
| 22 | 1600 | 17643-29142 | 2478-2390 | |
| F4-72-10C | 11 | 800 | 22312-28107 | 967-766 |
| 15 | 900 | 25101-31620 | 1225-970 | |
| 18.5 | 1000 | 27890-35134 | 1514-1190 | |
| 30 | 1120 | 31237-39349 | 1902-1505 | |
| F4-72-12C | 15 | 630 | 30362-38248 | 863-684 |
| 18.5 | 710 | 34218-43105 | 1097-869 | |
| 30 | 800 | 38556-48569 | 1395-1104 | |
| 37 | 900 | 43375-54640 | 1767-1399 | |
| 55 | 1000 | 48195-60711 | 2185-1729 | |
| F4-72-14C | 22 | 560 | 42859-59990 | 929-736 |
| 30 | 630 | 48217-67488 | 1177-932 | |
| 37 | 710 | 54340-76058 | 1497-1185 | |
| 55 | 800 | 61228-85699 | 1903-1506 | |
| 75 | 900 | 68881-96412 | 2412-1908 | |
| 110 | 1000 | 76535-107124 | 2985-2361 | |
| F4-72-16B | 55 | 630 | 71971-100730 | 1538-1218 |
| 75 | 710 | 81110-113520 | 1957-1549 | |
| 110 | 800 | 91392-119300 | 2489-1969 | |
| 132 | 900 | 102810-127920 | 3157-3115 | |
| 160 | 950 | 12040-143910 | 2990-2497 | |


















Ordering and Pricing
- Minimum order quantity: 1 piece
- Volume pricing:
- 1–498 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 centrifugal blower?
The standard minimum order quantity is 1 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.
Which certifications does this centrifugal blower carry?
It is supplied with ce documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.
Can the centrifugal blower 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.
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