浅谈防爆电气设备螺纹接合面的检验  

Discussion on the Inspection of Ex Electrical Equipment Threaded Joint

作　　者：石磊 Shi Lei(Shanghai Inspection and Testing Institute of Instruments and Automation Systems Co.,Ltd.Shanghai 200233)

机构地区：[1]上海仪器仪表自控系统检验测试所有限公司,上海200233

出　　处：《电气防爆》2024年第3期23-24,28,共3页Electric Explosion Protection

摘　　要：重点讨论了圆柱形螺纹接合面和锥形螺纹接合面配合精度的检验方法,并以ⅡC等级防爆电气设备为例,对螺纹接合面的内部点燃不传爆试验方法进行了介绍。It focuses on inspection for quality of fit of cylindrical threaded joints and taper threaded joints,and introduces non-transmission test of an internal ignition for threaded joints of Group IIIC equipment.

关 键 词：防爆电气设备 螺纹接合面 公制螺纹 NPT螺纹 公差 精度 螺纹中径 

分 类 号：TD684[矿业工程—矿山机电]