GB/T 12459-2017

  • 45° 1.5D弯头

    45°LR Elbow

  • 45° 3D弯头

    45°3D Elbow

  • 90° 1D弯头

    90°SR Elbow

  • 90° 1.5D弯头

    90°LR Elbow

  • 90° 3D弯头

    90°3D Elbow

  • 90° 变径弯头

    90°LR Reducing Elbow

  • 180°1D弯头

    180°SR Elbow

  • 180°1.5D弯头

    180°LR Elbow

  • 等径三通

    Equal Tee

  • 异径三通

    Reducing Tee

  • 等径四通

    Equal Cross

  • 异径四通

    Reducing Cross

  • 同心异径管

    Conc.Reducer

  • 偏心异径管

    Ecc.Reducer

  • 管帽

    Cap

  • 翻边

    Lap Joint Stub End

  • 焊接端部

    Welding end

  • GB/T 12459-2017尺寸偏差