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  • Dimensions of lap-joint-stub-ends-ASME B16.9

    Dimensions of lap-joint-stub-ends-ASME B16.9

    Dimensions-of-lap-joint-stub-ends-ASME-B16-9

    Dimensions-of-lap-joint-stub-ends-ASME-B16-9

    NPS
    OD of Barrel
    Long Pattern
    Short Pattern
    Radius of
     Diameter of
    Max
    Min
    Length, F
     Length, F
    Fillet, R
    Lap, G
    1/2
    22.8
    20.5
    76
    51
    3
    35
    3/4
    28.1
    25.9
    76
    51
    3
    43
    1
    35
    32.6
    102
    51
    3
    51
    1 ¼
    43.6
    41.4
    102
    51
    5
    64
    1 ½
    49.9
    47.5
    102
    51
    6
    73
    2
    62.4
    59.5
    152
    64
    8
    92
    2 ½
    75.3
    72.2
    152
    64
    8
    105
    3
    91.3
    88.1
    152
    64
    10
    127
    3 ½
    104
    100.8
    152
    76
    10
    140
    4
    116.7
    113.5
    152
    76
    11
    157
    5
    144.3
    140.5
    203
    76
    11
    186
    6
    171.3
    167.5
    203
    89
    13
    216
    8
    222.1
    218.3
    203
    102
    13
    270
    10
    277.2
    272.3
    254
    127
    13
    324
    12
    328
    323.1
    254
    152
    13
    381
    14
    359.9
    354.8
    305
    152
    13
    413
    16
    411
    405.6
    305
    152
    13
    470
    18
    462
    456
    305
    152
    13
    533
    20
    514
    507
    305
    152
    13
    584
    22
    565
    558
    305
    152
    13
    641
    24
    616
    609
    305
    152
    13
    692
    Notes:
    1) Gasket face finish shall be in accordance with ASME B16.5 for raised face flanges.
    2) The lap thickness T shall not be less than nominal pipe wall thickness.
    3) When short pattern stub ends are used with larger flanges in Classes 300 and 600,with most sizes in Classes 900 and higher,and when long pattern stub ends are used with larger flanges in Classes 1500 and 2500,it may necessary to increase the length of the stub ends in order to avoid covering the weld with the flange.Such increases in length shall be a matter of agreement between the manufacturer and purchaser.
    4) When special facings such as tongue and groove,male and female,etc.,are employed,additional lap thickness must be provided and such additional thickness shall be in addition to (not included in)the basic length F.

    Download the PDF file: Dimensions-of-lap-joint-stub-ends-ASME-B16.9

    Dimensions-of-lap-joint-stub-ends-ASME-B16-9.pdf