~The characteristics of  Cooling Fan for Farm and factory:
1. Certificate, CE, ISO9001:2008, ISO14001:2004.
2. Frame, all the frames are made of hot galvanized board, thickness 1.0mm,
galvanizing layer 280g/m².
3. Blade,6 pieces of blades and all the blades are made by 430 stainless steel ,thickness 1.2mm,mirror face.
4. Impeller, casting aluminum alloy impeller ,diameter 300mm.
5. Bearing of impeller, permanently sealed bearing, size 633313.
6. Venture, internal diameter, 1290mm, galvanized board, thickness 1.0mm.
7. Blade tip clearance, 25mm.
8. Inlet wind protecting net, spraying paint steel wire, thickness 2.8mm.
9. Electrical motor, national-grade aluminum alloy frame motor, 380V, 0.25KW, 50Hz, 3phase, 1380r/m, IP55, class F, efficiency 90%, top/foot mounted, certification, CCC&CE.(motor can be supplied as demand)
10. Motor bearing , NSK or SKF. 
11. V-belt, A type belt, imported from Korea or Japan
12. V-belt pulley,motor side,diameter 95 mm,shaft hole size 14mm,material,casting aluminum alloy.
13. Belt tensioned, bearing size,6201.
14. Shutters,8 pieces of shutters, galvanized board,0.5mm thickness.                Galvanizing layer ,280kg/m2.
15. Opening system, heavy hammer.
16. Rivets, aluminum alloy and stainless steel rivets.
17. Cable, 1 meter long, strong robber wire.
18. Warranty offer,2 year ,the whole machine.
19.Eight strict testing procedures:
   Noise, vibration, dynamic balance, rest balance, rotary concentric pertormance wind blader speeding, assembly efficiency measurement.
 

~Technical  Details :

Model Diameter
blades
 (mm) Blades
speed
(r/min) Motor
speed
(r/min) Air
flow 
( m³ /h) Noise decibel 
power
(w) Rated
voltage(v) Height
(mm) Width
 (mm) Thickness
(mm)
JLF(d)-1000 900 438 1400 35000 ≤60 550 380 1000 1000 450
JLF(d)-1100 1000 438 1400 38000 ≤65 750 380 1100 1100 450
JLF(d)-1380 1250 437  1400 44000 ≤65 1100 380 1380 1380 450