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    SIZE DN800

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    Size DN800

    FLANGE DIMENSIONS TABLE SIZE (DN) 800 (32″)

    Class/Table Flange O.D. PCD Bolts Bolt Size Hole Size Minimum Flange Thickness*
    Cast Iron Ductile Iron Copper Alloy Steel
    ASME 150 B16.47 Series A Supersedes MSS-SP44 1060.5mm 977.9mm 28 41.4mm 80.8mm
    ASME 300 B16.47 Series A Supersedes MSS-SP44 1049.4mm 1054.1mm 28 50.8mm 98.6mm WN
    100.1mm BL
    ASME Class 600 B16.5 B16.47 Series A Supersedes MSS-SP44 1093.9mm 1079.5mm 28 60.4mm 117.4mm WN
    147.6mm BL
    ASME Class 900 B16.5 B16.47 Series A Supersedes MSS-SP44 1314.5mm 1155.7mm 20 85.8mm 158.8mm WN
    193.6mm BL
    ASME 150 B16.47 Series B Supersedes API-605 941.4mm 900.1mm 48 22.3mm 46mm WN
    53.9mm BL
    ASME 300 B16.47 Series B Supersedes API-605 1054.9mm 977.9mm 32 41.1mm 103.2mm
    ASME Class 600 B16.5 B16.47 Series B Supersedes API-605 1085.9mm 984.2mm 28 53.8mm 103.1mm WN
    134.9mm BL
    ASME Class 900 B16.5 B16.47 Series B Supersedes API-605 1238.3mm 1092.2mm 20 79.2mm 160.3mm WN
    185.7mm BL
    ISO7005-1AS433.1/.2⑤ PN20 (ANSI 150) 1060mm 978mm 28 M39 42mm 81mm
    ISO7005-1AS433.1/.2⑤ PN50 (ANSI 300) 1150mm 1054mm 28 M48 51mm 98.5mm
    ISO7005-1AS433.1/.2⑤ PN110 (ANSI 600) 1195mm 1080mm 28 M56 60mm 117mm
    ISO7005-1AS433.1/.2⑤ PN150 (ANSI 900) 1315mm 1156mm 20 M82 86mm 159mm
    ISO7005-1AS433.1/.2⑤ PN260 (ANSI 1500)
    ISO7005-1AS433.1/.2⑤ PN420 (ANSI 2500)
    AS2129① Table D 1060mm 984mm 20 M33 36mm 47mm
    AS2129① Table D 1060mm 984mm 20 M33 36mm 60mm
    BS3293 Class 150 1060.5mm 977.9mm 28 41.2mm 57.2mm
    BS3293 Class 300 1149mm 1054mm 28 51mm 98mm
    BS3293 Class 600 1194mm 1079mm 28 60mm 1194mm
    BS4504② PN10 1015mm 950mm 24 M30 32.5mm

    AS2129 still in use but now only covers Table D to H. Table C now obsolete, Table J to T now replaced by AS4331.1 which is a replication of ISO7500-1 which in turn is equivalent to ASME 150-2500 class ANSI B16.5. AS4331.1 and ISO 7005-1 also incorporates previous DIN PN rated flanging. AS4087 is the new standard covering Table D to H. The same drilling is specified but the PN rating system is used (PN14 to PN35) and in some cases flange thickness varies slightly. AS4087 PN14 & PN16 are the same drilling as AS2129 Table D. AS4087 PN21 is the same drilling and rating as AS2129 Table F. AS4087. AS4087 PN14 & PN16 is the same drilling as AS2129 Table D. AS4087 PN21 is the same rating and drilling as AS2129 Table F and PN35 is the same drilling as Table H. AS4087 specifies raised face in Ductile Iron

    ② British metric standard BS4504 is now obsolete and replaced by EN1092-1 edition 09-2008 for steel flanges which also incorporates DIN2501 standard. EN1092-1 is also published in the British standards as BS-EN1092-1. Flange drillings in EN1092-1 are generally the same as BS4504 but EN1092-1 covers a wider range.

    ⑤ ISO7005-1 & ISO 7005-2 (which AS4331.1 mirrors) replaces DIN 2501 & DIN 2533 and BS4504 PN6 to 40. ISO7005-1 & 7005-2 PN6 to 40 is the same as EN1092-1 (note some flanges thicknesses vary slightly) but also incorporates ANSI flanging redesignated as PN20, PN50, PN110, PN150, PN260, PN420. ISO7005-1/AS4331.1 is steel flanges, ISO7005-2/AS4331.2 is iron flanges, ISO7005-3/AS4331.3 is copper alloy flanges. AS4331.1 is a reproduction of ISO7005-1, AS4331.2 is a reproduction of ISO7005-2, AS4331.3 is a reproduction of ISO7005-3.

    * Varies according to flange type (thickness includes raised face height where applicable) refer to standard

    WN= Weld Neck
    BL= Blind

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