Packaging and delivery
Packaging details
Plastic film packaging
Port of Shipment
Tianjin/Qingdao/Shanghai/Ningbo, etc
Sales unit
Single project
Single packaging size
10X10X10 centimeters
Single gross weight
Ten thousand kilograms
Product Description
Easy to assemble roof ventilation fan with long life
Product Features
1.Products through CE and AMCA certification, stable performance, reliable quality.
2.This series has 3 types according to the impellers' diameters, which are: No. 2.8,3.15,3.55,4,4.5,5,5.6,6.3,7.1,8,9,10,11.2, etc. Every type has 5 angles: 15o,20o,25o,30o,35o.
3.Their impellers are installed on the axis of the motor directly. Three speeds are matched: 2900,1450,960r/min, when the rotation is not exceeding 60m/s, anticlockwise rotate facing inlet air vent. The passing air should not be corrosive, dustless, below 40°C and re-tested in the factory to ensure stable operation.

4.T35, BT35 fans consist of impellers, casing, air collectors, which are made of steel. Supports are made of section bar, connecting with duct. Impellers are composed by blades and hubs. Casings consist of duct and support, which are made of steel sheet and section bar. Ducts are round, having some space with the impeller. Air collectors encompass flanges and air collectors. It is made of one-step molding steel, reducing air loss.
Packaging and storage
Shipping Fee and Delivery Date: Partner with us for personalized shipping arrangements. Contact our experts now to negotiate the best shipping fee and delivery date tailored to your schedule. Let's connect for more details.
If your project requires our installation expertise, we offer the option to dispatch a skilled engineer and translator or provide comprehensive installation videos. Enjoy peace of mind with our 18-month factory warranty or 12 months post-installation warranty for non-human factor damages. We cover all parts during this period. Regular check-ins ensure two-way communication, enhancing your experience with feedback-based improvements.
Dezhou Linghao Refrigeration Equipment Co., Ltd. is a strong enterprise specializing in the production of industrial fans, specializing in the production of tunnel fans, high temperature fans, centrifugal fans, mine fans, axial flow fans, anti-corrosion fans and other products. Our products are widely used in tunnel construction, mechanical equipment, laboratories, power plants, steel mills, etc., mainly used in ventilation, exhaust, intake, air circulation. With advanced CAD/CAPP software fan design technology and rich professional manufacturing experience, the products sell well in China, Southeast Asia, Africa and other countries and regions of more than 20 countries and regions, won the praise of customers.
Q: Are you factory or trade company?
A: We are manufacture, with OEM service.
Q: Are there any order requirements?
A: We will appreciate it a lot if you can offer us your product performance requirements and operation environment, so that we can customize optimal production to meet your every requirement.
(1) Air volume
(2) Cooling/heating capacity
(3) Cooling/heating area
(4) Power and voltage
Q: What are your Before-sale services?
A: (1) Tell customers how to use our products and matters needing attention.
(2) Guide customers to choose the best and economic product, recover the investment within short time.
(3) Site inspection if you need.
Q: What are your In-Sale services?
A: (1) Quality control must be inspected strictly.
(2) In accordance with the agreements stipulated in the contract.
Q: What are your After-sale services?
A: (1) If the project needs our installation guidance, we can send our engineer and translator. We can also send customers installation video to teach them how to fix and operate with our product.
(2) Usually, our product warranty is 18 months after leaving factory or 12 months after installation for non-human factor damages, within this months, all parts broken will be responsible for our factory.
(3) Regular contact with customer, consult with the customer feedback, come true with the customer's two-way communication.
Q: How long is the delivery time?
A: Generally it is 1-7 working days if the goods are in stock, or it is 15-25 working days if the goods are not in stock, it is according to quantity.