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High-quality smoke exhaust fan
1,Our smoke exhaust fan strict inspection before delivery ,You can rest assured for our quality
2,our exhaust fan has a special motor cooling system
3,Our exhaust fan adopting the advanced aerodynamic blade design, low noise
4,Exhaust fans got CCC & ISO 9001, 14001 18001 Certificate
5,In conformity with the relevant provisions of the GB50067-97,GB50045-95,GB50038-94
6,GRAD group owns the largest 4.6 m fan measure, become the national fan performance
test base
Model specification
Parameter table
characteristics and advantages
DTF series high temperature fire smoke exhaust fan with high efficiency and energy saving, stable operation, low noise, high temperature resistant characteristics. Compared with the same air centrifugal fan two-thirds of saving space, half the weight. The use of special motor cooling system, the built-in fan cooled motor. Air duct medium temperature reaches 280 ℃ can run more than 30 minutes continuously.When the temperature of the air duct medium is 150 ℃ can run continuously for a long time.
Usually we use plywood package or naked package. Some of the products like fan coil unit or table tennis board have standard carton package. The shipping terms are LCL, 20’ container, 40’ container
Before-sale services:
(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.
In-Sale services:
(1)Quality control must be inspected strictly.
(2)In accordance with the agreements stipulated in the contract.
After-sale services:
(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. 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.
Shandong GRAD Group Co., Ltd. is located in Dezhou city, Shandong Province,covering an area of 450,00 square meters. It is a large modern enterprise group with central air-conditioning, ventilation, FRP products research development, design, production, sales, installation and maintenance.It is the backbone enterprise of "Dezhou • Central air-conditioned city" named by China Refrigeration and Air Conditioning Industry Association(CRAA).
GRAD Group products include: central air conditioning series products(chillers, air conditioners, fan coils, cooling towers, ventilators and accessory products), FRP series products (FRP winding pipes and storage tanks), SMC moulding products (water tanks, table tennis boards, basketball boards, manhole covers, etc) . All products have been inspected by the national quality inspection department.
If you have any question,please fell free to contact with following information.
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