防爆轴流风机

产品名称:  BT35防爆轴流风机（ⅡB）
 
适用范围Application 
1区、2区危场所。
IIA、IIB、类爆竹性气体环境.
防爆标志: Exd II BT4
Can be used in Zone 1 and Zone 2one 2 dangerous places.
Can be used in IIA,IIB 、group explosive atmosphere.
Ex-mark:Exd II Bt4

型号含义Model implication
 
产品特点 Features  
防爆轴流风机由防爆电机、叶片、风筒等部件组成. 噪音低、能耗低、防爆性能可靠.
电缆布线.
壁式:风扇外形两端一边是喇叭口型,一边是90度直角法兰型.
管道式:风扇两端都成直角法兰边可以安装在管道的中间.
岗位式:除具有壁式特征外,附加岗位脚架附件,风扇腰中
打安装孔Φ 12.
固定式:除具有壁式特征外,底部焊接固定安装架(40x40角
铁制).
主轴转速(或电机功率或风量)可根据用户要求选配

符合GB3836-2000，IEC60079 标准要求。
Explostion-proof shaft type fan comprise explosion-proofmotors
blades,cylinders and so on.
Lownoise,low-energy consumptionreliable explosion-proof
performance.
Cablewiring.
Wall type:the exterior of fan has two terminals,one side is bell-mouthed
among the other side is 90 degree right angle flange type.
Pipe type:the two-terminal of fan is riht-angleflange that can install
among the pipe
Bracket type:besides characteristic of wall type,be enclosed with horse.
Accessory of position,an install hole Φ 12 be made in the middle of fan.
Fixed type:besides characteristic of wll type,the bottom can weld fixed
install bracket(40x40 angle iron).
Main-role rotary(or motor power or wind) can be matched according to the
demand of user.
Suitable for GB3836-2000,IEC60079 standard request.

  
外形示意图 Main technical parameters 
 
壁式（1）Bracket type 岗位式（II）Post type 固定式（III）Fixed type 管道（IV)Pipe line type 
 
机号Fan No. A 1  2 3 4 重量（Kg)Weight
2.8 258 283 320 346 250 9
3.15 282 318 355 381 400 11
3.55 327 358 395 422 450 17
4 350 404 450 478 500 19
4.5 314 454 500 528 560 20
5 364 504 560 588 610 28
5.6 404 564 620 588 680 39
6.3 474 634 690 719 740 55
7.1 494 715 770 800 830 65
 
 
主要技术参数
 
机号No.
 叶轮直径（mm)Impeller diameter
 叶轮周速（m/s)Impellercularrev. 叶轮转速(m/s)Impellervelocity 叶轮角度（deg)Impeller angle  风量(m/h)Wind flow  全压（mmHO)Fullpressure 效率Efficiency 电机功率（kw)Motor power 
2.8# 280 42.5 2900 15
20
25
30
35 1649
2167
3685
2921
3202 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 1450 15
20
25
30
35 826
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
3.15# 315 47.5 2900 15
20
25
30
35
 1649
2167
2685
2921
3202
 15.5
17.2
17.7
19.0
23.7 0.87
0.88
0.895
0.88
0.85 0.12
0.18
0.18
0.25
0.25
23.9 1450 15
20
25
30
35 826
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
3.55# 355 53.9 2900 15
20
25
30
35 3367
4426
5484
5965
6542 24.6
27.7
28.4
30.6
38.0 0.87
0.88
0.895
0.88
0.86 0.37
0.55
0.55
0.75
1.1
27.0 1450 15
20
25
30
35 1680
2208
2373
3265
3977 6.2
6.9
7.1
7.6
9.5 0.87
0.88
0.895
0.88
0.86 0.040
0.060
0.090
0.90
0.12
4# 400 60.7 2900 15
20
25
30
35 4806
6316
7826
8513
9336 31.6
35.2
36.1
38.8
48.3 0.87
0.88
0.895
0.88
0.86 0.55
1.1
1.1
1.1
1.5
30.4 1450 15
20
25
30
35 2406
3163
3922
4263
4678 7.9
8.8
9.0
9.7
12.1
 0.87
0.88
0.895
0.88
0.86 0.090
0.12
0.12
0.18
0.25
4.5# 450 34.2 1450 15