DISTRIBUTION

Nominal Size: 350mm (14 in.)
Outside Pitch Circle Number Size of Length Valve Flange Thickness
Flange Standard Diameter Diameter of Bolts Bolts of Bolts Copper Cast Iron Forged/
of Flange Alloy S.G. Iron Cast Steel
AS2129 Tables C/D 525 470 12 M24 100 32 32 25
AS2129 Table E 525 470 12 M24 100 25 32 25
AS2129 Table F 550 495 16 M27 110 32 35 32
AS2129 Table H 550 495 16 M27 130 41 48 41
ANSI Class 125/150 533 476 12 1 UNC 110 — 35 35
ANSI Class 300 584 514 20 1- 1/8 UNC 160 — — 54
ANSI Class 600 603 527 20 1- 3/8 UNC 200 — — 70
BS4504 PN6 490 445 12 M20 80 26 26 22
BS4504 PN10 505 460 16 M20 90 — 30 30
BS4504 PN16 520 470 16 M24 120 — 36 30
BS4504 PN25 555 490 16 M30 130 — 44 38
Nominal Size: 375mm (15 in.)
Outside Pitch Circle Number Size of Length Valve Flange Thickness
Flange Standard Diameter Diameter of Bolts Bolts of Bolts Copper Cast Iron Forged/
of Flange Alloy S.G. Iron Cast Steel
AS2129 Tables C/D 550 495 12 M24 95 32 32 25
AS2129 Table E 550 495 12 M24 95 25 32 32
AS2129 Table F 580 521 16 M27 110 32 35 38
AS2129 Table H 580 521 16 M27 140 44 50 51
Nominal Size: 400mm (16 in.)
Outside Pitch Circle Number Size of Length Valve Flange Thickness
Flange Standard Diameter Diameter of Bolts Bolts of Bolts Copper Cast Iron Forged/
of Flange Alloy S.G. Iron Cast Steel
AS2129 Tables C/D 580 521 12 M24 95 32 32 25
AS2129 Table E 580 521 12 M24 95 25 32 25
AS2129 Table F 610 552 20 M27 110 32 35 32
AS2129 Table H 610 552 20 M27 140 44 51 44
ANSI Class 125/150 597 540 16 1 UNC 120 — 37 37
ANSI Class 300 650 572 20 1- 1/4 UNC 170 — — 57
ANSI Class 600 686 603 20 1- 1/2 UNC 210 — — 76
BS4504 PN6 540 495 16 M20 90 28 28 22
BS4504 PN10 565 515 16 M24 100 — 32 32
BS4504 PN16 580 525 16 M27 120 — 38 32
BS4504 PN25 620 550 16 M33 140 — 48 40
Nominal Size: 450mm (18 in.)
Outside Pitch Circle Number Size of Length Valve Flange Thickness
Flange Standard Diameter Diameter of Bolts Bolts of Bolts Copper Cast Iron Forged/
of Flange Alloy S.G. Iron Cast Steel
AS2129 Tables C/D 640 584 12 M24 100 35 35 29
AS2129 Table E 640 584 16 M24 100 29 35 29
AS2129 Table F 675 610 20 M30 120 35 38 35
AS2129 Table H 675 610 20 M30 160 48 54 48
ANSI Class 125/150 635 578 16
1/8
1- UNC 130 — 40 40
ANSI Class 300 711 629 24 1- 1/4 UNC 180 — — 60
ANSI Class 600 743 654 20 1- 5/8 UNC 230 — — 83
BS4504 PN6 595 550 16 M20 90 30 30 24
BS4504 PN10 615 565 20 M24 100 — 32 34
BS4504 PN16 640 585 20 M27 120 — 40 34
BS4504 PN25 670 600 20 M33 150 — 50 42
Nominal Size: 500mm (20 in.)
Outside Pitch Circle Number Size of Length Valve Flange Thickness
Flange Standard Diameter Diameter of Bolts Bolts of Bolts Copper Cast Iron Forged/
of Flange Alloy S.G. Iron Cast Steel
AS2129 Tables C/D 705 641 16 M24 110 38 38 35
AS2129 Table E 705 641 16 M24 110 35 38 32
AS2129 Table F 735 673 24 M30 120 38 41 38
AS2129 Table H 735 673 24 M30 150 51 57 51
ANSI Class 125/150 700 635 20
1/8
1- UNC 140 — 43 43
ANSI Class 300 775 686 24 1- 1/4 UNC 190 — — 64
ANSI Class 600 813 724 24 1- 5/8 UNC 240 — — 89
BS4504 PN6 645 600 20 M20 90 30 30 24
BS4504 PN10 670 620 20 M24 110 — 34 36
BS4504 PN16 715 650 20 M30 130 — 42 36
BS4504 PN25 730 660 20 M33 150 — 52 44
Flange Tables
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