●设计与制造:BS1873 BS5160 GB12233●法兰尺寸:ANSIB16.5 JB/T79 GB9113●压力温度:ANSIB16.34●结构长度:ANSIB16.10 BS1873 GB12221●对焊连接尺寸:ANSIB16.25●检验与实验:BS6755 GB/T13927