產品名稱:  BT35防爆軸流風機（ⅡB）
適用范圍Application 
1區、2區危場所。
IIA、IIB、類爆竹性氣體環境.
防爆標志: 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

型號含義Model implication
產品特點 Features  
防爆軸流風機由防爆電機、葉片、風筒等部件組成. 噪音低、能耗低、防爆性能可靠.
電纜布線.
壁式:風扇外形兩端一邊是喇叭口型,一邊是90度直角法蘭型.
管道式:風扇兩端都成直角法蘭邊可以安裝在管道的中間.
崗位式:除具有壁式特征外,附加崗位腳架附件,風扇腰中
打安裝孔Φ 12.
固定式:除具有壁式特征外,底部焊接固定安裝架(40x40角
鐵制).
主軸轉速(或電機功率或風量)可根據用戶要求選配

符合GB3836-2000，IEC60079 標準要求。
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.

外形示意圖 Main technical parameters  

壁式（1）Bracket type 崗位式（II）Post type 固定式（III）Fixed type 管道（IV)Pipe line type 
機號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
主要技術參數
 機號No.
 葉輪直徑（mm)Impeller diameter
 葉輪周速（m/s)Impellercularrev. 葉輪轉速(m/s)Impellervelocity 葉輪角度（deg)Impeller angle  風量(m/h)Wind flow  全壓（mmHO)Fullpressure 效率Efficiency 電機功率（kw)Motor power