适用范围
1、适用于危险性气体环境1区、2区；
2、适用于可燃性粉尘环境20区、21区、22区；
3、适用于ⅡA、ⅡB、ⅡC级危险性气体环境；
4、适用于石油采炼、储存、化工、医药、纺织、印染、军工及军事设施等危险环境。

选型指南
注：
1、若需订购防爆挠性连接管，材质为PVC、管通径为15mm、长度为500mm、一端内螺纹一端外螺纹、螺纹规格为G1/2'，则订货型号为“BNG-15 x 500B”；
2、若需订购粉尘防爆挠性连接管，材料为不锈钢、管通径为20mm、长度为700mm，一端内一端外螺纹，内螺纹规格为G3/4"，外螺纹规格为M25 x 1.5,则订货型号为“BNG-DIPⅡ-20 x 700B（G3/4内M25 x 1.5外）”。

产品特点
1、防爆挠性连接管由活接头与连接管组成；连接管由内管与护套组成；
1, explosion-proof flexible connecting pipe by a movable joint and a connecting pipe; connecting pipe is composed of an inner tube and sheath;
2、活接头由不锈钢制作，或优质碳素钢电镀处理；
2, live joints made of stainless steel, or high quality carbon steel plating processing;
3、内管由波纹管或金属软管制成，具有良好耐腐性；
In 3, the inner tube by a corrugated tube or hose made of metal, with good corrosion resistance;
4、具有阻燃、耐腐蚀、耐水、耐老化、挠性良好、结构牢固、工作可靠等特点；
4, having a flame retardant, corrosion resistance, water resistance, aging resistance, good flexibility, firm structure, reliable work etc.;
5、螺纹尺寸规格可根据用户要求特殊加工，如NPT螺纹、英制以及公制螺纹等；
5, thread size specifications can be based on user requirements for special processing, such as NPT thread, inch and metric thread etc.;
6、防爆挠性连接管长度，常规供货有500mm、700mm、1000mm可供选择，也可根据用户需求定制其它长度；
6, explosion-proof flexible connecting pipe length, the conventional 500mm, 700mm, 1000mm supply is available, can also be customized according to user needs other length;
7、四种不同材质可供选择。
7, four kinds of different materials are available.

技术参数
执行标准：GB 3836.1、GB 3836.2、GB 12476.1、JB/T 9600、IEC60079
额定标志：ExeⅡ、DIP A20
防护灯具：IP65
BNG-700X15 1000X15 1500X15
BNG-700X20 1000X20 1500X20
BNG-700X25 1000X25 1500X25
BNG-700X32 1000X32 1500X32
BNG-700X40 1000X40 1500X40
BNG-700X50 1000X50 1500X50
BNG-700X70 1000X70 1500X70
BNG-700X80 1000X80 1500X80
BNG-700X100 1000X100 1500X100