Key specification for this mixed flow fan: 110V/220V, max air flow 663 /500. Everything below is reproduced from the factory data sheet. 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 Mixed Flow Fan
- Model Number: CH-SM150/200/250/300
- Power(W): 55/47.8
- Voltage: 110V/220V
- Voltage(V): 110/220
- Max Air Flow(M3/H): 663 /500
- Blade Material: Metal
Technical Specifications
| Mounting | Duct Fan |
|---|---|
| Voltage | 110V/220V |
| Blade Material | Metal |
| Warranty | 1 Year |
| After-Sales Service Provided | Online support |
| Customized Support | OEM, ODM |
| Place Of Origin | Guangdong, China |
| Brand Name | CHOSEN |
| Model Number | CH-SM150/200/250/300 |
| Weight(Kg) | 6 |
| Frquency(Hz) | 50/60 |
| Noise (DB) | 64/63 |
| Current(A) | 0.5/0.21 |
| Power(W) | 55/47.8 |
| Vibration Levels | 0.9/1.9 |
| Voltage(V) | 110/220 |
| Max Pressure(Pa) | 250/150 |
| Max Air Flow(M3/H) | 663 /500 |
| Speed(Rpm) | 3470/2900 |
| Selling Units | Single item |
Product Details



4" 6" 8" 10" 12" inline duct fan,220v silent inline duct fan
Build-in silencer
High strength Flame retarding Nylon body.
Wave crest polyurethane sponge can offer excellent sound and vibration absorption.
Reduces noise levels by up to 25 decibels.
Excellent sound and vibration absorption.
Air tight sealing tape pasted on the muffler.
Small airtight housing.
Compact overall dimensions.
High Performance.
Moisture resistant – great for use in damp environment.
Portable and light weight.
Safe and effective operation.
Easy to install.
| Silent Max Fan | |||||||||||
| 110V/60HZ | |||||||||||
| Model | Voltage | Frequency | Current | Power | Speed | Max Air Flow | Max Pressure | Noise | Weight | Product Dimension | Inch |
| V | HZ | A | W | rpm | m3/h | Pa | d(B) | kg | cm | ||
| CH-SM150 | 110 | 60 | 0.5 | 55 | 3470 | 663 | 250 | 49 | 7.5 | 22.5×22.5×64 | 6" |
| CH-SM200 | 110 | 60 | 1.5 | 179 | 3300 | 1134 | 485 | 56 | 9.8 | 27.5×27.5×69.5 | 8" |
| CH-SM250 | 110 | 60 | 1.9 | 228 | 3050 | 1800 | 443 | 53 | 13.3 | 35.5×35.5×76.5 | 10" |
| CH-SM300 | 110 | 60 | 4.1 | 489 | 3490 | 3000 | 831 | 64 | 23 | 39.5×39.5×106.5 | 12" |
| 220V/50HZ | |||||||||||
| Model | Voltage | Frequency | Current | Power | Speed | Max Air Flow | Max Pressure | Noise | Weight | Product Dimension | Inch |
| V | HZ | A | W | rpm | m3/h | Pa | d(B) | kg | mm | ||
| CH-SM150 | 220 | 50 | 0.21 | 47.8 | 2900 | 500 | 150 | 49 | 7.5 | 22.5×22.5×64 | 6" |
| CH-SM200 | 220 | 50 | 0.5 | 120 | 2900 | 1000 | 336 | 56 | 9.8 | 27.5×27.5×69.5 | 8" |
| CH-SM250 | 220 | 50 | 0.7 | 173 | 2750 | 1600 | 354 | 53 | 13.3 | 35.5×35.5×76.5 | 10" |
| CH-SM300 | 220 | 50 | 1.7 | 340 | 2900 | 2600 | 665 | 64 | 23 | 39.5×39.5×106.5 | 12" |


A fan silencer is the ideal solution for cutting down on the excess noise produced from an Inline Fan.
This preassembled unit is constructed of heavy duty steel and features specially designed Open Cell Convoluted Foam.
Wave crest polyurethane sponge can offer excellent sound and vibration absorption.
Both moisture resistant and lightweight, it also features a 2" extended collar to easily connect to duct work or carbon filters.






CHOSEN VENT TECH LTD. is a manufacturer of ventilation and cooling equipment with more than 10years experience.
Professional Products:
- Centrifugal Fan, Axial Fan, Hydroponic Fan & Silencer, Exhaust Fan, Mist Fan, Cooling Fan, Industrial Air Cooler.
- Non-standard units & small order.
- Accessories: Propeller, Impeller, Housing, Atomizer.
- Meanwhile we specialized in ventilation & cooling solution of industrial building.
Professional Manufacturing:
- Experienced engineers and R&D team to support the product technology & development.
- Advanced manufacturing & inspection equipment, we have Laser cutting equipment, CNC equipment, Dynamic balance equipment, Air-flow/pressure/speed testing equipment.
- Inspection. All products with serious inspection in hundred percent before delivery.
Professional Service:
- Our products be export to more than 30 countries.
- On time delivery.
- The experienced customers service team provides excellent communication for all customers to answer questions and solve problem.
Our Aim:
- Company’s Aim: Honesty, Gratitude.
- Service’s Aim: Professionalism, Scrupulous, Responsibility.
- Product’s Aim: High quality, Reasonable price, for customers’ requirements.
Our mission:
- Provide quality products all over the world.
- Set up fine managing and brand credit for “MADE IN CHINA”




Ordering and Pricing
- Minimum order quantity: 5 piece
- Volume pricing:
- 5–499 piece: US $200 / piece
- 500+ piece: US $80 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this mixed flow fan?
The standard minimum order quantity is 5 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 mixed flow fan be supplied for my local voltage?
The standard configuration is 110V/220V. 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 Mixed Flow Duct Fans on HVACR Nexus.
























