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    Pipe Sizes for Type RX Ring Gaskets Suitable for Flange Standards

    Pipe Sizes & Pressure Ratings for Type RX Ring Gaskets in Flange Application

    Ring 
    Number
    Pressure Classes, API 6B
    720-960 and
    2000
    2900
    3000
    5000
    RX-20
    1-1/2"
    1-1/2"
    1-1/2"
    RX-23
    2"
    RX-24
    2"
    2"
    RX-25
    3-1/8"
    RX-26
    2-1/2"
    RX-27
    2-1/2"
    2-1/2"
    RX-31
    3"
    3"
    RX-35
    3"
    RX-37
    4"
    4"
    RX-39
    4"
    RX-41
    5"
    5"
    RX-44
    5"
    RX-45
    6"
    6"
    RX-46
    6"
    RX-47
    8"
    RX-49
    8"
    8"
    RX-50
    8"
    RX-53
    10"
    10"
    RX-54
    10"
    RX-57
    12"
    12"
    RX-63
    14"
    RX-65
    16"
    RX-66
    16"
    RX-69
    18"
    RX-70
    18"
    RX-73
    20"
    RX-74
    20"
    RX-82
    1"
    RX-84
    1-1/2"
    RX-85
    2"
    RX-86
    2-1/2"
    RX-87
    3"
    RX-88
    4"
    RX-89
    3-1/2"
    RX-90
    5"
    RX-91
    10"
    RX-99
    8"
    8"
    RX-201
    1-3/8"
    RX-205
    1-13/16"
    RX-210
    2-9/16"
    RX-215
    4-1/16"
     *Although Class 720, 960, and 2900 flanges to API 6B are obsolete, they still can be seen in refurbishment projects.

    Views:   Author:hbmetals  Date:15/05/27