Butterfly type cone fan series

Big Air Flow Agricultural Exhaust Fan Butterfly Type Cone EXhaust Fan with CE Certificate

Butterfly(Front double door) ventilation fan is widely used in agriculture areas, like green house(vegetable green house, flower green house), livestock farm (poultry house, pig house, cow house etc). It also be used in industry like textile, sock/clothes making workshop or other kind of factory.

 Butterfly ventilation fan detail description

   1. Using advanced front double door opening device

   2. Fan double doors closed with the rubber sealing

    3.KRUPP stainless blade is special designed for top grade efficiency. Thickness 1.2mm, 
Surface finish BA grade.

   4.Fan blades are adjusted by intelligent dynamic-balance tester

   5.The first adopt Type B belt which 3 times longer service life instead of Type A.

   6.Hot-dip galvanized blade support and safe net ensure never rust.

   7.Complete new CNC production line improved fan quality up to top grade aesthetic appearance

The large powerful Manufacture In CHINA(MAINLAND):

1. By cooperating with steel roller company, reduce the purchasing cost, and also guarantee the Quality.
2. Exhaust fan use the international standard plate, zinc coating(275g/m2), no rust.
3. With our own flatting line to reduce cost, guarantee the plate Quality.
4. CNC shearing machine control the mistake within 0.03mm.
5. CNC punching machine control the mistake within 0.03mm.
6. CNC bending machine ensure the accurate & perfect products assembly.
7. Our own advanced pressure machine reduce the cost, protect the Round frame zinc from being damaged, to guarantee the Quality.
8. Our own advanced plastic injection machine reduce the cost, guarantee the Quality.
9. Professional blades machine can produce the perfect blades shape with lower wind resistance and smooth surface.
10. Professional inspector ensure the Qualified products.
11. Advanced motor testing machine can help our workers to set different parameter according to each country's request, to ensure each motor's normal work.

1.Sample is available, it needs pay first. 

2. The Galvaized Sheet frame, and the Stainless Steel frame is available. We serve all of our customers with best quality products and lowest price to make foreign customers' profit and market larger.
3. Price items: EXW, FOB Qingdao, CFR or CIF
4. Payment term: 100% T/T will be the best,30% T/T down payment with 70% balancce T/T or L/C