Product Name: BT35 proof axial fans (Ⅱ B) 

 Scope 
 1 and Zone 2 dangerous places. 
 IIA, IIB, type explosive atmosphere. 
 Explosion-proof mark: Exd II BT4 

 Type Meaning 

 Features 
 Explosion proof axial fan by the motor, blades, hair dryer and other components. Low noise, low energy consumption, explosion-proof and reliable performance. 
 Cable wiring. 
 Wall: one side is the fan shape of both ends of the bell type, one side is a 90 degree angle flange type. 
 Pipeline: both ends of the fan can be installed at right angles to the pipe flange in the middle. 
 Post type: In addition to features with the wall, the additional posts tripod attachment, beat the fan mounting holes in the waist Φ 12. 
 Fixed: In addition to features with a wall, the bottom of the weld fixed mounting bracket (40x40 angle iron.) 
 Spindle speed (or motor power or wind) can be selected by user 

 Meet GB3836-2000, IEC60079 standard request. 


 Schematic outline 

 Wall (1) Job type (II) fixed (III) e pipe (IV) 

 Machine No. No. A 1 2 3 4 Weight (Kg) 
 2.8 2,582,833,203,462,509 
 * 282 31835538140011 
 3.55 327 35839542245017 
 4,350,404,450,478,500 19 
 4.5 314 45450052856020 
 5,364,504,560,588,610 28 
 5.6 404 56462058868039 
 6.3 474 63469071974055 
 7.1 494 71577080083065 


 Main technical parameters 

 Machine, No. 
 Impeller diameter (mm) 
 Impeller peripheral speed (m / s) impeller speed (m / s) wheel angle (deg) air flow (m / h) total pressure (mmHO) the efficiency of motor power (kw) 
 # 280 2.8 42.5 2900 15,202,530,351,649 2,167,368,529,213,202 15.5 17.2 
 17.7 
 19.0 
 23.7 0.87 
 0.88 
 0.895 
 0.88 
 0.86 0.12 
 0.18 
 0.18 
 0.25 
 0.25 
 21.3 145,015 
 20 
 25 
 30 
 35826 
 1086 
 1346 
 1464 
 1605 3.9 
 4.4 
 4.5 
 4.9 
 6.1 0.87 
 0.88 
 0.895 
 0.88 
 0.86 0.025 
 0.025 
 0.025 
 0.040 
 0.040 
 * # 315 47.5 2900 15,202,530,351,649 2,167,268,529,213,202 
 15.5 
 17.2 
 17.7 
 19.0 
 23.7 0.87 
 0.88