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DJFb)Series double shutters type (simple exhaustfan)
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Fanframe has made in automatic process line, especially thick galvanized layer withextremely
  corrosion resistance.
Highstrength aluminum-magnesium alloy, reasonable angle, biggest air flow.
Highprecise microcomputer aided manufactured system, noise testing, running testing,speed rate
  testing, total effction testing.
Differentmaterials upon customers demand, iron, FPR, ABS engineer plastic.couldunload the safe
  net easily as the CAD optimized.
Adoptautomatic belt tensioner so that it will not pine and drop and reduce thefailurerate.
Model specifications
Diameter biades mm
Blades rotational speed rpm
Motor rotational speed rpm
Air flow m/h
Total pressure
Noise decibels
Import power
Rated voltage
High
Width
Thick
DJF(b)-830
720
600
1400
18000
60
60
370
380
830
830
370
DJF(b)-900
750
590
1400
20000
65
65
370
380
900
900
370
DJF(b)-1000
900
570
1400
26000
70
70
555
380
1000
1000
370
DJF(b)-1100
1000
550
1400
28000
70
70
555
380
1100
1100
370
DJF(b)-1220
1100
430
1400
30000
73
70
750
380
1220
1220
370
DJF(b)-1380
1250
410
1400
35000
56
70
750
380
1380
1380
370
DJF(b)-1530
1400
300
1400
44000
60
70
1100
380
1530
1530
370
 
 
 
  Here we celebrate that Qingzhou Sanhe Machinery Co.,Ltd had obtained the ISO9001:2008 Certification and Approval Certificate. And also awarded the top ten Chinese brands fan!