♣.Technical datas of exhaust  shutter  industrial  fan

 ♣. Features  of     exhaust poultry   fan

1. patented designed centrifugal system which can open and close automaticlly ,ensuring the shutter opens 90 degree under all the condition. And uncontrollable air can prevent from going into the birdhouse when the shutter works.

2. Mirror designed and  injection moulding  Stainless steel balde,with big air volume,never distortion and broken

3. experiment of homeostasis make the blade work smoothly,nearly no noise and steadily output of air

4. centrifugal shutter system made of high quality engineering nylon ,high strength and long service life

5. high efficient and energy-saving motor with ccc certificate ,protection class:IP55,insulation class:F grade

6. 

♣. working  priniple  of ventilaion  poulry  fan

Working Principal:

Use the principle of negative pressure cross-ventilation, to bring the fresh air in from the opposite of the installation position——door or window naturally, and extract the indoor hot gas rapidly.Any improper ventilation problem can be solved. The cooling and ventilation efficiency can reach as high as 90%-97%.

Packaging

The cargo  was strong export package & suitable for deliver by air, express or sea 

Shipping

1. Express: Ship our production   by UPS/ DHL/ FEDEX/ TXT express which is door to door, you just receive sample  at office (3~5 days)

2. Air: we  can  send it  by  air  if  your need is  urgent

3. Sea: if goods are large quantity and you are not in hurry, we can ship it by sea to save freigth cost

  Qingzhou Jinlong Temperature-Controlled Equipments Co., Ltd. is a professional manufacturer of Temperature Control Equipments in Shandong Province. We are a high technology enterprise integrating design, production, sale and after-sales service.

Now our business have expand to Southeast Asia, West Europe, Canada and Australia, and has won great reputation.

Warmly welcome customers of all walks to instruct, consult and cooperate with our company.

our  productions are  certificated  by CE , ISO

Contact person: Kelly sun

Tel: +86-13011654301 

Website: 

Add: west of North zhaode road ,qingzhou city shandong province China . 
Online Contact:

 skype:sxp23s1