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    Annexure-A (Flange Details)

    Uploaded by

    Arun Gupta
    This document provides flange details according to ANSI B16.5/B16.47 standards. It lists flange sizes from 15mm to 1200mm with dimensions for thickness (T), outer diameter (OD), inner diameter (ID), pitch circle diameter (PCD), number of holes, hole diameter, raised face (Rf) and Rf diameter. Important notes specify that all dimensions are in mm, flanges from 15mm to 600mm are drilled per ANSI B16.5 150#, flanges from 650mm to 1200mm are drilled per ANSI B16.47 Class 75, and that flanges shall be machined all over.

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    Annexure-A (Flange Details)

    Uploaded by

    Arun Gupta
    80 views1 page
    This document provides flange details according to ANSI B16.5/B16.47 standards. It lists flange sizes from 15mm to 1200mm with dimensions for thickness (T), outer diameter (OD), inner diameter (ID), pitch circle diameter (PCD), number of holes, hole diameter, raised face (Rf) and Rf diameter. Important notes specify that all dimensions are in mm, flanges from 15mm to 600mm are drilled per ANSI B16.5 150#, flanges from 650mm to 1200mm are drilled per ANSI B16.47 Class 75, and that flanges shall be machined all over.

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    This document provides flange details according to ANSI B16.5/B16.47 standards. It lists flange sizes from 15mm to 1200mm with dimensions for thickness (T), outer diameter (OD), inner diameter (ID), pitch circle diameter (PCD), number of holes, hole diameter, raised face (Rf) and Rf diameter. Important notes specify that all dimensions are in mm, flanges from 15mm to 600mm are drilled per ANSI B16.5 150#, flanges from 650mm to 1200mm are drilled per ANSI B16.47 Class 75, and that flanges shall be machined all over.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    80 views1 page

    Annexure-A (Flange Details)

    Uploaded by

    Arun Gupta
    This document provides flange details according to ANSI B16.5/B16.47 standards. It lists flange sizes from 15mm to 1200mm with dimensions for thickness (T), outer diameter (OD), inner diameter (ID), pitch circle diameter (PCD), number of holes, hole diameter, raised face (Rf) and Rf diameter. Important notes specify that all dimensions are in mm, flanges from 15mm to 600mm are drilled per ANSI B16.5 150#, flanges from 650mm to 1200mm are drilled per ANSI B16.47 Class 75, and that flanges shall be machined all over.

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    ANNEXURE-A (FLANGE DETAIL AS PER ANSI B16.5/B16.

    47)

    FLANGE DETAILS
    NO OF HOLE DIA RAISED
    SIZE (NB) T (MM) OD (MM) ID(MM) PCD(MM) Rf DIA
    HOLES (MM) FACE (tf)
    15 8 89 24.3 60.45 4 15.9 2 35
    20 8 98.5 29.7 69.85 4 15.9 2 43
    25 8 107.9 36.4 79.25 4 15.9 2 50.8
    32 8 117.5 45.2 88.9 4 15.9 2 63.5
    40 10 127 51.3 98.55 4 15.9 2 73
    50 10 152.4 63.3 120.65 4 19.05 2 92.1
    65 12 177.8 76 139.7 4 19.05 2 104.8
    80 12 190.5 91.9 152.4 4 19.05 2 127
    100 14 228.6 117.3 190.5 8 19.05 2 157.2
    125 16 254 144.3 215.9 8 22.352 2 185.7
    150 18 279.4 171.3 241.3 8 22.352 2 215.9
    200 20 342.9 222.1 298.45 8 22.352 2 270
    250 24 406.4 276.1 361.95 12 25.4 2 323.8
    300 26 482.6 326.9 431.8 12 25.4 2 381
    350 26 533.4 358.6 476.25 12 28.448 2 412.8
    400 26 596.9 409.4 539.75 16 28.448 2 470
    450 30 635 460 577.85 16 31.75 2 533.4
    500 30 698.5 511 635 20 31.75 2 584.2
    550 30 762 562 680 20 31.75 2 630
    600 (610) 30 812.8 613 749.3 20 34.052 2 692
    650 (660.4) 36 762 663 723.9 36 19.05 3 704.85
    700 (711.2) 36 813 714 774.7 40 19.05 3 755.65
    750 (762) 36 864 765 825.5 44 19.05 3 806.45
    800 (812.8) 36 914.4 816 876.3 48 19.05 3 857.25
    850 (863.6) 36 965.2 867 927 52 19.05 3 908.05
    900 (914.4) 36 1033.5 917 992 40 22.35 3 965.2
    950 (965.2) 36 1084 968 1043 40 22.35 3 1016
    1000 (1016) 36 1135 1020 1094 44 22.35 3 1066.8
    1050 (1066.8) 36 1186 1070 1144.5 48 22.35 3 1117.6
    1100 (1117.6) 36 1251 1121 1203.5 36 25.4 3 1174.8
    1150 (1168.4) 36 1302 1172 1254.3 40 25.4 3 1225.6
    1200 (1219) 36 1353 1222 1305 44 25.4 3 1276.4

    IMPORTANT NOTE:-
    1. ALL DIMENSIONS ARE IN MM. U.N.O.
    2. FLANGES FROM 15NB TO 600NB ARE DRILLED AS PER ANSI B16.5 150#
    3. FLANGES FROM 650NB TO 1200NB ARE DRILLED AS PER ANSI B16.47 CLASS 75
    4. FLANGES SHALL BE MACHINED ALL OVER.

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