HTF series fire high temperature smoke exhaust fan:
High-rise building
The fire exhaust can run continuously for more than 100 minutes at a high temperature of 400ºC, and can run continuously for 20 hours/time at a medium temperature of 100ºC without damage. Frequency conversion speed regulation according to different requirements, explosion-proof environment to meet different working conditions.
Underground garage
Specially designed motor cooling system for exhaust air, high temperature resistance, excellent performance, advanced laser equipment for cutting, high precision. Advanced 3D system design software, multiple test and experience optimization design



High-rise building
The fire exhaust can run continuously for more than 100 minutes at a high temperature of 400ºC, and can run continuously for 20 hours/time at a medium temperature of 100ºC without damage. Frequency conversion speed regulation according to different requirements, explosion-proof environment to meet different working conditions.
Underground garage
Specially designed motor cooling system for exhaust air, high temperature resistance, excellent performance, advanced laser equipment for cutting, high precision. Advanced 3D system design software, multiple test and experience optimization design




Application field
Professional ventilation system equipment manufacturer
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If your project requires expert installation guidance, we are equipped to dispatch our skilled engineer and translator to your location. Alternatively, we provide comprehensive installation videos to empower you to confidently fix and operate our product. Our impressive warranty extends to 18 months post-factory departure or 12 months post-installation, safeguarding against non-human factor damages. During this period, any defective parts will be our full responsibility. We commit to regular customer contact, actively soliciting feedback to ensure dynamic two-way communication and continuous satisfaction.
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.