... standard Design standard:API600,ANSIB 16.34Face to Face std:ANSIB 16.10Pressure-temperature rating:ANSIB 16.34End Flanged ... acidTecgnical standard Design standard:GB/T12224,GB/T8464Face to Face std:GB/T12221,ANSIB 16.10,DIN3202,BS2080,JIS B2002Pressure-temperature ... rating:GB/T12224,ANSIB 16.34End Flanged Std:GB/T9113,JB79,ANSIB16.5a,JISB2213~2216,DIN2543~2546,BS4504Test ...