Key specification for this inline duct exhaust fan: 220 V, power source type diesel powered. Everything below is reproduced from the factory data sheet. Made by Changzhou Kang Tian Motor Co., Ltd. (4 years on the platform, typical reply ≤5h). For a binding price and lead time, send the volume you need and where it ships to.
Key Features of This Inline Duct Exhaust Fan
- Model Number: 100, 125, 150, 200, 250, 300, 315
- Power Source Type: diesel powered
- Voltage: 220 V
- Material: Stainless Steel
- Blade Material: Stainless Steel
- Noise Level: 40 dB and above
Technical Specifications
| Duct Diameter | 12 in |
|---|---|
| Mounting | Roof Fan |
| Voltage | 220 V |
| Speed | 900rpm |
| Material | Stainless Steel |
| Blade Material | Stainless Steel |
| Power Source Type | diesel powered |
| Warranty | 1 Year |
| After-Sales Service Provided | Online support |
| Customized Support | OEM, ODM |
| Noise Level | 40 dB and above |
| Place Of Origin | Jiangsu, China |
| Brand Name | Kangtian |
| Model Number | 100, 125, 150, 200, 250, 300, 315 |
| Product Name | Ventilation Duct Backward centrifugal fan |
| Housing | Powder coated metal housing |
| Impeller | SGCC |
| Direction Of Rotation | Clockwise. seen on rotor |
| Type Of Protection | IP 44 |
| Insulation Class | F |
| Bearings | Maintenance-free ball bearings |
| Certificates | CCC/CE/ROHS/ETL |
| Selling Units | Single item |
| Single Package Size | 51X30X30 cm |
| Single Gross Weight | 7.5 kg |
Product Details
















AC Motor | Output Power W | Voltage V | Frequency Hz |
YDK/YSK95 | 10~50 | 110 220 380 | 50/60 |
YDK/YSK110 | 10~150 | ||
YDK/YSK120 | 50~300 | ||
YDK/YSK139 | 100~1100 | ||
YDK/YSK160 | 250~3000 |


EC/BLDC Motor | Output Power W | Voltage V | Frequency Hz |
ZTD/ZTS94 | 10~120 | DC 24/48/310 AC 110/220 | 50/60 (AC) |
ZTD/ZTS139 | 120~750 |


Fan Model | Motor Model | Air Flow m³/h | Voltage V | Frequency Hz |
SYZ7-7 | YDK-90-6 | 1200 | 220/230 | 50 |
YDK-180-4 | 1500 | 220/230 | 50 | |
SYZ9-7 | YDK-250-6 | 1600 | 220/230 | 50 |
YDK-375-4 | 2650 | 220/230 | 50 | |
SYZ9-9 | YDK-280-6 | 2000 | 220/230 | 50 |
YDK-375-6 | 2500 | 220/230 | 50 | |
YDK-450-4 | 3000 | 220/230 | 50 | |
SYZ10-10 | YDK-450-6 | 3250 | 220/230 | 50 |
YDK-550-4 | 4250 | 220/230 | 50 | |
SYZ12-9 | YDK-750-6 | 5000 | 220/230 | 50 |
SYZ12-12 | YDK-900-6 | 6000 | 220/230 | 50 |
YDK-1100-6 | 7000 | 220/230 | 50 |
AC/EC Fan | Size | Voltage V | Frequency Hz |
SYZ Centrifugal Type | 7~15inch | DC 24/48/310 AC 110/220 | 50/60 (AC) |
Axial Flow | 250~630mm | ||
Forward Curved | 200~500mm | ||
Backward Curved | 175~560mm |










We are based in Jiangsu, China, start from 2014,sell to Domestic Market(60.00%),Western Europe(20.00%),North America(5.00%),Eastern Asia(5.00%),Southern Europe(5.00%),South America(2.00%),Eastern Europe(2.00%),South Asia(1.00%). There are total about 11-50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Air conditioning motor,Fan coil motor,Fan motor,DC brushless motor,Centrifugal fan
4. why should you buy from us not from other suppliers?
Our engineering team is engaged in design of micro-motor for more than 15 years. We are capable to design and manufacture motors according to customer's requirements and we also provide ODM and OEM services.
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FCA,CPT,DDP,DDU;
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,MoneyGram,Western Union,Cash;
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian
Ordering and Pricing
- Minimum order quantity: 50 piece
- Volume pricing:
- 50–99 piece: US $55 / piece
- 100–499 piece: US $52 / piece
- 500+ piece: US $49 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this inline duct exhaust fan?
The standard minimum order quantity is 50 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 inline duct exhaust fan carry?
It is supplied with CCC/CE/ROHS/ETL documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.
Can the inline duct exhaust fan be supplied for my local voltage?
The standard configuration is 220 V. 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 Changzhou Kang Tian Motor Co., Ltd., based in China. The company 4 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full Changzhou Kang Tian Motor Co., Ltd. range on HVACR Nexus.
See more in Metal Duct Fans on HVACR Nexus.




















