船用法蘭鑄鐵閘閥CB/T465-1995 CBM1091-81,公稱壓力0.25-0.6MPA,公稱通徑DN50-DN500,A型法蘭連接尺寸GB/T569 AS型法蘭連接尺寸GB2501,閥體材質(zhì):鑄鐵,閥桿:2R13,密封面:青銅
船用法蘭鑄鐵閘閥CB465-95
船用法蘭鑄鐵閘閥CB465-95
船用法蘭鑄鐵閘閥CB/T465-1995 CBM1091-81,公稱壓力0.25-0.6MPA,公稱通徑DN50-DN500,A型法蘭連接尺寸GB/T569 AS型法蘭連接尺寸GB2501,閥體材質(zhì):鑄鐵,閥桿:2R13,密封面:青銅