van cổng đồng nối ren Kitz FIG AK125E AK125M AK150E AK150L AK150LU

van cổng đồng nối ren Kitz FIG AK125E Class 125 ASME B1.20.1 ; FIG AK125M Class 125 ASME B1.20.1 ; FIG AK150E Class 150 BS21 JIS B0203; FIG AK150L Class 150 ASME B1.20.1 ; FIG AK150LU Class 150 ASME B1.20.1