FLANGE TABLE DN SIZE SPECIFICATIONS

DN SIZE 250
DN FLANGE PCD BOLTS HOLE SIZE THICKNESS
  DIAMETER     GREY CAST IRON COPPER ALLOY CAST/FORGED STEEL
ANSI 125/150 16" / 406mm 14 1/4" / 362mm 12 1" / 25mm 1 3/16" / 30mm 1" / 25mm 1 3/16" / 30mm
ANSI 300 17 1/2" / 445mm 15 1/4" / 387mm 16 1 1/8" / 29mm     1 7/8" / 48mm
ANSI 600 20" / 508mm 17" / 432mm 16 1 3/8" / 35mm     2 1/2" / 64mm
ANSI 900 21 1/2" / 546mm 18 1/2" / 470mm 16 1 1/2" / 38mm     2 3/4" / 70mm
ANSI 1500 23" / 584mm 19" / 483mm 12 2" / 51mm     4 1/4" / 108mm
AS2129 Table C 405mm 356mm 8 22mm 25mm 25mm 19mm
AS2129 Table D 405mm 356mm 8 22mm 25mm 19mm 19mm
AS2129 Table E 405mm 356mm 12 22mm 25mm 22mm 22mm
AS2129 Table F 430mm 381mm 12 26mm 29mm 25mm 25mm
AS2129 Table H 430mm 381mm 12 26mm 41mm 35mm 35mm
AS2129 Table J 430mm 381mm 12 30mm     48mm
BS10 Table D 16" / 406mm 14" / 356mm 8 7/8" / 22mm 1" / 25mm 3/4" / 19mm 3/4" / 19mm
BS10 Table E 16" / 406mm 14" / 356mm 12 7/8" / 22mm 1" / 25mm 7/8" / 22mm 7/8" / 22mm
BS10 Table F 17" / 432mm 15" / 381mm 12 1" / 25mm 1 1/8" / 29mm 1" / 25mm 1" / 25mm
BS10 Table H 17" / 432mm 15" / 381mm 12 1" / 25mm 1 5/8" / 41mm 1 3/8" / 35mm 1 3/8" / 35mm
BS10 Table J 17" / 432mm 15" / 381mm 12 1 1/8" / 29mm     1 7/8" / 48mm
BS10 Table K 17" / 432mm 15" / 381mm 16 1 1/8" / 29mm     2" / 51mm
BS4504-6 375mm 335mm 12 18mm 24mm    
BS4504-10 395mm 350mm 12 22mm 28mm    
BS4504-16 405mm 355mm 12 26mm 32mm   26mm
BS4504-25 425mm 370mm 12 30mm 36mm   32mm
BS4504-40 450mm 385mm 12 33mm     38mm
BS4504-64 470mm 400mm 12 36mm     46mm
BS4504-100 505mm 430mm 12 39mm     60mm
JIS 5 385mm 345mm 12 23mm 26mm   22mm
JIS 10 400mm 355mm 12 25mm 30mm   24mm
JIS 16 430mm 380mm 12 27mm 34mm   28mm
JIS 20 430mm 380mm 12 27mm 38mm   24mm
DIN 6 375mm 335mm 12 18mm     24mm
DIN 10 395mm 350mm 12 22mm     26mm
DIN 16 405mm 355mm 12 26mm     29mm
DIN 25 425mm 370mm 12 30mm     35mm
DIN 40 450mm 385mm 12 33mm     42mm