Tengda Explosion-proof Technology Co., Ltd.
0086-577-57578881
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BDD-□ type flame-proof electrical whistle (ⅡB)

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BDD-□ type flame-proof electrical whistle (ⅡB)

型号含义 Model implication

适用范围 Applications

1.1区、2区或20区、21区、22区危险场所；
2.ⅡA、ⅡB、ⅡC类爆炸性气体环境或或燃性粉尘环境
3.户内、户外(IP54,IP65*)；
4.温度组别：T1~T4；
5.应用于石油、化工、航天、军工等场所。
1.Hazardous:division 1&2 or zone 20、21、22;
2.Explosive gas or steam atmosphere: class ⅡA,ⅡB,ⅡC
or flammable dust atmospheres;
3.Indoor or outdoor(IP54,IP65*);
4.Temperature class: T1~T4;
5.Widely using in the fields of oil, chemical industry, spaceflight,war ind-ustru and so on.

产品特点 Features

1.铝合金外壳铸造成型，表面经高速抛丸清理后高压静
电喷塑，外壳结构紧凑合理，强度好，防爆性能优良，
表面塑粉附着力强，具有良好的防腐性能，外表整洁，
美观大方；
2.圆筒隔爆面，防爆性能好，安全可靠；
3.钢管或电缆布线。
1.Enclosu r e i s c a s t w i t h h i gh intensity aluminium alloy,surf a c e i s s p r a y e d w i t h p l a s t i c by high voltage staticelectricity,after the highly impeller cleaning,The structureof enclosure is reasonable,high-intensive and perfect-explosive and appearance;
2.The surface of c y l i n d e r i s s a f e reliable and perfect inexplosion-proof, with perfect explosion-proof function,safe and reliable;
3.Wiring with steel tube or cable.

主要技术参数 Main technical parameters

型号
Type		 电压
Voltage(V)		 进线口螺纹（G）
Inlet thread		 电缆外径(mm)
Cable outer dia.		 持续通电时间
Power
continuing time
直流 DC 交流 AC
BDD-□□□ 24
36		 220 G3/4 φ10~φ14 ≤5min

 

防爆标志
Ex-mark		 防护等级
Degree of protection		 防腐等级
Erosion-proof class
Exd Ⅱ BT4等效于 Ⅱ 2G Exd Ⅱ BT4(欧标)
Exm Ⅱ T4 等效于 Ⅱ 2G Exm Ⅱ T4(欧标)		 IP55、IP65* WF1

外形及安装尺寸 Outline & installation dimensions

 

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