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    Pipe Sizes for Type R Ring Gaskets Suitable for Flange Standards

    Pipe Sizes & Pressure Ratings Chart for Type R Ring Gaskets in Flange Application.

    Ring 
    Number
    Pressure Classes
    ASME B16.5
    API 6B
    ASME B16.47 Series A
    150
    300-600
    900
    1500
    2500
    720-960
    2000
    3000
    5000
    150
    300-600
    900
    R-11
    1/2"
    R-12
    1/2"
    1/2"
    R-13
    3/4"
    1/2"
    R-14
    3/4"
    3/4"
    R-15
    1"
    R-16
    1"
    1"
    1"
    3/4"
    1"
    1"
    1"
    1"
    R-17
    1-1/4"
    R-18
    1-1/4"
    1-1/4"
    1-1/4"
    1"
    1-1/4"
    1-1/4"
    1-1/4"
    1-1/4"
    R-19
    1-1/2"
    R-20
    1-1/2"
    1-1/2"
    1-1/2"
    1-1/2"
    1-1/2"
    1-1/2"
    1-1/2"
    R-21
    1-1/4"
    R-22
    2"
    R-23
    2"
    1-1/2"
    2"
    2"
    R-24
    2"
    2"
    2"
    2"
    R-25
    2-1/2"
    R-26
    2-1/2"
    2"
    2-1/2"
    2-1/2"
    R-27
    2-1/2"
    2-1/2"
    2-1/2"
    2-1/2"
    R-28
    2-1/2"
    R-29
    3"
    R-30(2)
    3"
    R-31
    3"
    3"
    3"
    3"
    3"
    R-32
    3"
    R-33
    3-1/2"
    R-34
    3-1/2"
    R-35
    3"
    3"
    R-36
    4"
    R-37
    4"
    4"
    4"
    4"
    4"
    3-1/2"
    R-38
    4"
    R-39
    4"
    4"
    R-40
    5"
    R-41
    5"
    5"
    5"
    5"
    5"
    R-42
    5"
    R-43
    6"
    R-44
    5"
    5"
    R-45
    6"
    6"
    6"
    6"
    6"
    R-46
    6"
    6"
    R-47
    6"
    R-48
    8"
    R-49
    8"
    8"
    8"
    8"
    8"
    R-50
    8"
    8"
    R-51
    8"
    R-52
    10"
    R-53
    10"
    10"
    10"
    10"
    10"
    R-54
    10"
    10"
    R-55
    10"
    R-56
    12"
    R-57
    12"
    12"
    12"
    12"
    12"
    R-58
    12"
    R-59
    14"
    R-60
    12"
    R-61
    14"
    14"
    14"
    14"
    R-62
    14"
    R-63
    14"
    R-64
    16"
    R-65
    16"
    16"
    16"
    R-66
    16"
    16"
    R-67
    16"
    R-68
    18"
    R-69
    18"
    18"
    18"
    R-70
    18"
    18"
    R-71
    18"
    R-72
    20"
    R-73
    20"
    20"
    20"
    R-74
    20"
    20"
    R-75
    20"
    R-76
    24"
    R-77
    24"
    R-78
    24"
    R-79
    24"
    R-80
    R-81
    R-82
    1"
    R-84
    1-1/2"
    R-85
    2"
    R-86
    2-1/2"
    R-87
    3"
    R-88
    4"
    R-89
    3-1/2"
    R-90
    5"
    R-91
    10"
    R-92
    R-93
    26"
    R-94
    28"
    R-95
    30"
    R-96
    32"
    R-97
    34"
    R-98
    36"
    R-99
    8"
    8"
    R-100
    26"
    R-101
    28"
    R-102
    30"
    R-103
    32"
    R-104
    34"
    R-105
    36"
     *End flanges to API 6D and API 600 use gaskets for equivalent pipe size under ASME B16.5 or ASME B16.47 series A.

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