Durable Unpowered Roof Ventilation System for Optimal Airflow

Product Description

Product details

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: 

1.Centrifugal ventilation fans: MJG type gas pressure centrifugal blower,high pressure centrifugal fan, high temperature exhaust fans, industrial boiler centrifugal fan, power station centrifugal blower, High temperature fan, hot air circulation fan,Glass fiber reinforced plastic fans, PP plastic anti-corrosion fan,Rubber lining, plastic lining, stainless steel anti-corrosion fan, material conveying fan.

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 .
 

2.Axial ventilation fans: SDS jet tunnel fan ,SDF tunnel fan and D/DK mining fan,industrial fan ,mist fan, exhaust fan, duct fan and high & medium & low pressure fan ect..

With the advanced technology, automated equipment and over 22-year constant efforts in this filed, "BJSFAN" and "HANQI" has become a great potential factory that owns the mature technical force, advanced processing equipment,rich experience,extensive sales networks and complete service systems. Base on such a large scale plant and a great variety of products, "BJSFAN" and "HANQI" products sell well in China and all over the world. Carrying on past brilliance and making timely progress, we will keep on providing you with superior products ,satisfying services and favorable prices .

The machine is suitable for various places: power plant, petroleum, chemical, textile, factories, warehouses, laboratories, metallurgical and mechanical kitchen, building indoor ventilation, ventilation and so on, has the advantages of large air volume, low noise, small wind resistance, beautiful appearance.
Performance parameter table of DWT Roof Fan

Fan type	Rpm(r/min)	Air Volume(m³/s)	Pressure(pa)	Motor power(kw)
2.8	1450	48	1464	4-0.09
3.15	1450	59	2072	4-0.12
3.55	1450	74	2977	4-0.12
4	1450	95	4263	4-0.125
5	1450	149	8327	4-0.55
5	960	81	7724	6-0.37
5.6	1450	186	11682	4-1.1
5.6	960	81	7724	6-0.37
6.3	1450	236	16993	4-1.5
6.3	960	104	11016	6-0.75
7.1	1450	300	23815	4-5.5
7.1	960	131	15766	6-0.75
8	1450	354	31235	4-1.5
8	960	155	20735	6-1.5
9	960	196	29529	6-3
10	960	242	40508	6-4
11.2	960	304	56909	6-7.5

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.