FLANGE TABLE DN SIZE SPECIFICATIONS

DN SIZE 350
DN FLANGE PCD BOLTS HOLE SIZE THICKNESS
  DIAMETER     GREY CAST IRON COPPER ALLOY CAST/FORGED STEEL
ANSI 125/150 21" / 533mm 18 3/4" / 476mm 12 1 1/8" / 29mm 1 3/8" / 35mm   1 3/8" / 35mm
ANSI 300 23" / 584mm 20 1/4" / 514mm 20 1 1/4" / 32mm     2 1/8" / 54mm
ANSI 600 23 3/4" / 603mm 20 3/4" / 527mm 20 1 1/2" / 38mm     2 3/4" / 70mm
ANSI 900 25 1/4" / 641mm 22" / 559mm 20 1 5/8" / 41mm     3 3/8" / 86mm
ANSI 1500 29 1/2" / 749mm 25" / 635mm 16 2 3/8" / 60mm     5 1/4" / 133mm
AS2129 Table C 525mm 470mm 12 26mm 32mm 32mm 25mm
AS2129 Table D 525mm 470mm 12 26mm 29mm 25mm 25mm
AS2129 Table E 525mm 470mm 12 26mm 32mm 25mm 25mm
AS2129 Table F 550mm 495mm 16 30mm 35mm 32mm 32mm
AS2129 Table H 550mm 495mm 16 30mm 48mm 41mm 41mm
AS2129 Table J 550mm 495mm 16 33mm     54mm
BS10 Table D 20 3/4" / 527mm 18 1/2" / 470mm 12 1" / 25mm 1 1/8" / 29mm 1" / 25mm 1" / 25mm
BS10 Table E 20 3/4" / 527mm 18 1/2" / 470mm 12 1" / 25mm 1 1/4" / 32mm 1" / 25mm 1" / 25mm
BS10 Table F 21 3/4" / 552mm 19 1/2" / 495mm 16 1 1/8" / 29mm 1 3/8" / 35mm 1 1/4" / 32mm 1 1/4" / 32mm
BS10 Table H 21 3/4" / 552mm 19 1/2" / 495mm 16 1 1/8" / 29mm 1 7/8" / 48mm 1 5/8" / 41mm 1 5/8" / 41mm
BS10 Table J 21 3/4" / 552mm 19 1/2" / 495mm 16 1 1/4" / 32mm     2 1/8" / 54mm
BS10 Table K 22 1/2" / 572mm 20" / 508mm 16 1 3/8" / 35mm     2 3/8" / 60mm
BS4504-6 490mm 445mm 12 22mm 26mm    
BS4504-10 505mm 460mm 16 22mm 30mm    
BS4504-16 520mm 470mm 16 26mm 36mm   30mm
BS4504-25 555mm 490mm 16 33mm 44mm   38mm
BS4504-40 580mm 510mm 16 36mm     46mm
BS4504-64 600mm 525mm 16 39mm     56mm
BS4504-100 655mm 560mm 16 48mm     74mm
JIS 5 480mm 435mm 12 25mm 30mm   24mm
JIS 10 490mm 445mm 16 25mm 34mm   26mm
JIS 16 540mm 480mm 16 33mm 38mm   34mm
DIN 6 490mm 445mm 12 22mm     26mm
DIN 10 505mm 460mm 16 22mm     28mm
DIN 16 520mm 470mm 16 26mm     35mm