低温球阀
基本设计规范:GB/T12237,ASME B16.34低温技术应用:JB/T7794,BS6364压力温度等级:GB/T12224,ANSI B16.34结构长度:GB/T12221,ASME B16.10连接法兰:GB/T9113/HG20596,ASME B16.5试验和检验:JB/T9092,API598
基本设计规范:GB/T12237,ASME B16.34
低温技术应用:JB/T7794,BS6364
压力温度等级:GB/T12224,ANSI B16.34
结构长度:GB/T12221,ASME B16.10
连接法兰:GB/T9113/HG20596,ASME B16.5
试验和检验:JB/T9092,API598