Basic Info.
Packaging & Delivery
Product Description
Brief introduction of tunnel fan
Tunnel fans are widely used in water conservancy dam projects, highways, railways, subways and other tunnels. Tunnel jet fans include: unidirectional jet fan and bidirectional jet fan. Two way jet fans are electronic and mechanical. It can be switched to the rated speed of the fan in forward and reverse directions within 30 seconds. For occasions with high noise requirements, muffler can be added to reduce its noise. 
Product features: the shell is formed by rotary flanging machine tool imported from the United States, the inner wall of the impeller section is refined, corrosion resistance, reliability and economy, and the muffler can also be added to reduce the noise. Direct drive, small maintenance workload.
Brand & Company
Brand name "BJSFAN" and "HANQI" ventilation fan products manufacturer-Shandong Hanqi Industrial Co.,Ltd ., located in the industrial heartland of Shandong Province, China. Our fanctory is specialized in manufacturing all kinds of ventilation equipments and cooling equipments .Production area
Types: 4-72,9-19,9-26,8-09,9-12,GY4-73,GY4-68,Y5-47, Y5-48,GY6-41, Y8-39, Y9-38 ,SL5-45 etc .
Main classifications of Centrifugal fan
MJG type gas pressure centrifugal blower
4-72 type centrifugal fan
9-19,9-26 series high pressure centrifugal fan
8-09,9-12 type centrifugal fan
GY4-73,GY4-68 power plant, industrial boiler centrifugal fan
Y5-47, Y5-48 power plant, industrial boiler centrifugal fan
GY6-41 power station, industrial boiler centrifugal fan
Y8-39, Y9-38 power plant, industrial boiler, furnace centrifugal blower
SL5-45 type material conveying fan
High temperature fan, hot air circulation fan
Glass fiber reinforced plastic, PP plastic anti-corrosion fan
Rubber lining, plastic lining, stainless steel anti-corrosion fan
Performance parameter table
Schematic diagram of outlet angle and driving mode
Business license and certifications
FAQ
Q. What's the information should I provide when inquiry?
A: Flow rate&Air Volume
B: Pressure
C: Purpose
D: Use environment(Temperature, atmospheric pressure)
Or other specials you give us will be more appreciated.
Q. What is your warranty?
A.Our warranty is 12 months after received the centrifugal fans. During the warranty period, replace the damaged parts for free of charge. Out warranty period, to provide timely, high-quality technical services and price concessions spare parts to ensure.
continuous safe and high-quality equipment operation.
Q. How does your factory control product quality?
A.We have quality inspection department. All blowers are running more than 3 hour before delivery to test the quality. If there is quality problem, we will produce new one.
Q. What are your terms of payment?
A. TT 40% AS THE ADVANCE PAYMENT AND TT 60% AFTER INSPECTION BEFORE SHIPPING.
B. 100% IRREVOCABLE L/C AT STGHT.
Q. What products do you produce?
A. Centrifugal fan, tunnel fan, axial fan, jet fan, mining fan, exhaust fan,anti-corrosion blower, high pressure blower, explosion proof fan, etc, welcome to contact us to learn more details.
Q. Where is your factory? Can i visit your factory?
A. Our factory is located in Zibo, Shandong, welcome to visit our factory.
Q. How long will it take to ship after order?
A. 20~30 days for one container.
Q. Is the product customizable?
A. Various types can be customizable.