适用范围 1、爆炸性气体环境危险场所：1区、2区 2、爆炸性气体环境：ⅡA、ⅡB *可按用户要求做成粉尘防爆 Application scope 1、Explosive gas atmospheres hazardous location: zone 1, zone2 2、Explosive gas atmospheres: group ⅡA,ⅡB * Can be manufactured with dust proof construction on the request of customer 产品特点 1、具有耐燃、耐腐蚀、耐水、耐老化、挠性良好、结构牢固，可作为防爆电气设备进出线或钢管布线弯曲难度较大的场所连 接之用。 2、挠性管长度、螺纹规格可根据需要特殊加工。 Product Features 1、The product has the characteristics of flame, corrosion, water and aging resistance, good flexibility and solid construction. It may be used for connecting inlet and outlet leads or conduit wiring of explosion protection electrical equipments that have high flexibility factors. 2、The length of flexible tube and thread size may be made specifically on request. 型号含义Type designation 主要技术数据Main technical Specification 产品型号 防爆标志 公称直径(mm) 接头螺纹规格 长度(mm) 最小弯曲半径 NG□-13×700 ExdⅡ ＊DIPDT 13(15) G1/2″ 700 80 NG□-20×700 20 G3/4″ 700 110 NG□-25×1000 25 G1″ 1000 145 NG□-32×1000 32 G11/4″ 1000 180 NG□-38×1000 38(40) G11/2″ 1000 210 NG□-50×1200 50 G2″ 1200 270 NG□-63×1400 63(70) G21/2″ 1400 340 NG□-75×1400 75(80) G3″ 1400 400 NG□-100×1400 100 G4″ 1400 520