Flange Tables

Please note that the following information is provided as a guide only, we cannot accept responsibility for any errors that may have been included.

Table Diameter PCD No of Holes Diameter Bolts Diameter Holes Thickness
BS D 3.3/4″ 2.5/8″ 4 1/2″ 9/16″ 3/8″
E 3.3/4″ 2.5/8″ 4 1/2″ 9/16″ 3/8″
F 3.3/4″ 2.5/8″ 4 1/2″ 9/16″ 3/8″
H 4.1/2″ 3.1/4″ 4 5/8″ 11/16″ 1/2″
ASA 125/150 3.1/2″ 2.3/8″ 4 1/2″ 5/8″ 7/16″
300 3.3/4″ 2.5/8″ 4 1/2″ 5/8″ 1/2″
600 3.3/4″ 2.5/8″ 4 1/2″ 5/8″ 9/16″
METRIC PN 6 80 55 4 M10 11 12
PN 10 95 65 4 M12 14 16
PN 16 95 65 4 M12 14 16
PN 25 95 65 4 M12 14 16
PN 40 95 65 4 M12 14 16
Table Diameter PCD No of Holes Diameter Bolts Diameter Holes Thickness
BS D 4″ 2.7/8″ 4 1/2″ 9/16″ 3/8″
E 4″ 2.7/8″ 4 1/2″ 9/16″ 3/8″
F 4″ 2.7/8″ 4 1/2″ 9/16″ 3/8″
H 4.1/2″ 3.1/4″ 4 5/8″ 11/16″ 1/2″
ASA 125/150 3.7/8″ 2.3/4″ 4 1/2″ 5/8″ 9/16″
300 4.5/8″ 3.1/4″ 4 5/8″ 3/4″ 5/8″
600 4.5/8″ 3.1/4″ 4 5/8″ 3/4″ 5/8″
METRIC PN 6 90 65 4 M10 11 14
PN 10 105 75 4 M12 14 18
PN 16 105 75 4 M12 14 18
PN 25 105 75 4 M12 14 18
PN 40 105 75 4 M12 14 18
Table Diameter PCD No of Holes Diameter Bolts Diameter Holes Thickness
BS D 4.1/2″ 3.1/4″ 4 1/2″ 9/16″ 3/8″
E 4.1/2″ 3.1/4″ 4 1/2″ 9/16″ 3/8″
F 4.3/4″ 3.7/16″ 4 5/8″ 11/16″ 3/8″
H 4.3/4″ 3.7/16″ 4 5/8″ 11/16″ 9/16″
ASA 125/150 4.1/4″ 3.1/8″ 4 1/2″ 5/8″ 9/16″
300 4.7/8″ 3.1/2″ 4 5/8″ 3/4″ 11/16″
600 4.7/8″ 3.1/2″ 4 5/8″ 3/4″ 11/16″
METRIC PN 6 100 75 4 M10 11 14
PN 10 115 85 4 M12 14 18
PN 16 115 85 4 M12 14 18
PN 25 115 85 4 M12 14 18
PN 40 115 85 4 M12 14 18
Table Diameter PCD No of Holes Diameter Bolts Diameter Holes Thickness
BS D 4.3/4″ 3.7/16″ 4 1/2″ 9/16″ 1/2″
E 4.3/4″ 3.7/16″ 4 1/2″ 9/16″ 1/2″
F 5.1/4″ 3.7/8″ 4 5/8″ 11/16″ 1/2″
H 5.1/4″ 3.7/8″ 4 5/8″ 11/16″ 11/16″
ASA 125/150 4.5/8″ 3.1/2″ 4 1/2″ 5/8″ 1/2″
300 5.1/4″ 3.7/8″ 4 5/8″ 3/4″ 3/4″
600 5.1/4″ 3.7/8″ 4 5/8″ 3/4″ 13/16″
METRIC PN 6 120 90 4 M12 14 14
PN 10 140 100 4 M16 18 18
PN 16 140 100 4 M16 18 18
PN 25 140 100 4 M16 18 18
PN 40 140 100 4 M16 18 18
Table Diameter PCD No of Holes Diameter Bolts Diameter Holes Thickness
BS D 5.1/4″ 3.7/8″ 4 1/2″ 9/16″ 1/2″
E 5.1/4″ 3.7/8″ 4 1/2″ 9/16″ 1/2″
F 5.1/2″ 4.1/8″ 4 5/8″ 11/16″ 1/2″
H 5.1/2″ 4.1/8″ 4 5/8″ 11/16″ 11/16″
ASA 125/150 5″ 3.7/8″ 4 1/2″ 5/8″ 9/16″
300 6.1/8″ 4.1/2″ 4 3/4″ 7/8″ 13/16″
600 6.1/8″ 4.1/2″ 4 3/4″ 7/8″ 7/8″
METRIC PN 6 130 100 4 M12 14 14
PN 10 150 110 4 M16 18 18
PN 16 150 110 4 M16 18 18
PN 25 150 110 4 M16 18 18
PN 40 150 110 4 M16 18 18
Table Diameter PCD No of Holes Diameter Bolts Diameter Holes Thickness
BS D 6″ 4.1/2″ 4 5/8″ 11/16″ 9/16″
E 6″ 4.1/2″ 4 5/8″ 11/16″ 9/16″
F 6.1/2″ 5″ 4 5/8″ 11/16″ 5/8″
H 6.1/2″ 5″ 4 5/8″ 11/16″ 3/4″
ASA 125/150 6″ 4.3/4″ 4 5/8″ 3/4″ 5/8″
300 6.1/2″ 5″ 8 5/8″ 3/4″ 7/8″
600 6.1/2″ 5″ 8 5/8″ 3/4″ 1″
METRIC PN 6 140 110 4 M12 14 14
PN 10 165 125 4 M16 18 18
PN 16 165 125 4 M16 18 18
PN 25 165 125 4 M16 18 18
PN 40 165 125 4 M16 18 18
Table Diameter PCD No of Holes Diameter Bolts Diameter Holes Thickness
BS D 6.1/2″ 5″ 4 5/8″ 11/16″ 9/16″
E 6.1/2″ 5″ 4 5/8″ 11/16″ 9/16″
F 7.1/4″ 5.3/4″ 8 5/8″ 11/16″ 5/8″
H 7.1/4″ 5.3/4″ 8 5/8″ 11/16″ 3/4″
ASA 125/150 7″ 5.1/2″ 4 5/8″ 3/4″ 11/16″
300 7.1/2″ 5.7/8″ 8 3/4″ 7/8″ 1″
600 7.1/2″ 5.7/8″ 8 3/4″quot; 7/8″ 1.1/8″
METRIC PN 6 160 130 4 M12 14 14
PN 10 185 145 4 M16 18 18
PN 16 185 145 4 M16 18 18
PN 25 185 145 8 M16 18 18
PN 40 185 145 8 M16 18 18
Table Diameter PCD No of Holes Diameter Bolts Diameter Holes Thickness
BS D 7.1/4″ 5.3/4″ 4 5/8″ 11/16″ 9/16″
E 7.1/4″ 5.3/4″ 4 5/8″ 11/16″ 9/16″
F 8″ 6.1/2″ 8 5/8″ 11/16″ 5/8″
H 8″ 6.1/2″ 8 5/8″ 11/16″ 7/8″
ASA 125/150 7.1/2″ 6″ 4 5/8″ 3/4″ 3/4″
300 8.1/4″ 6.5/8″ 8 3/4″ 7/8″ 1.1/8″
600 8.1/4″ 6.5/8″ 8 3/4″ 7/8″ 1.1/8″
METRIC PN 6 190 150 4 M16 18 16
PN 10 200 160 8 M16 18 20
PN 16 200 160 8 M16 18 20
PN 25 200 160 8 M16 18 24
PN 40 200 160 8 M16 18 24
Table Diameter PCD No of Holes Diameter Bolts Diameter Holes Thickness
BS D 8.1/2″ 7″ 4 5/8″ 11/16″ 11/16″
E 8.1/2″ 7″ 8 5/8″ 11/16″ 11/16″
F 9″ 7.1/2″ 8 5/8″ 11/16″ 3/4″
H 9″ 7.1/2″ 8 5/8″ 11/16″ 1″
ASA 125/150 9″ 7.1/2″ 8 5/8″ 3/4″ 15/16″
300 10″ 7.7/8″ 8 3/4″ 7/8″ 1.1/4″
600 10.3/4″ 8.1/2″ 8 7/8″ 1″ 1.1/2″
METRIC PN 6 210 170 4 M16 18 16
PN 10 220 180 8 M16 18 20
PN 16 220 180 8 M16 18 20
PN 25 235 190 8 M20 22 24
PN 40 235 190 8 M20 22 24
Table Diameter PCD No of Holes Diameter Bolts Diameter Holes Thickness
BS D 10″ 8.1/4″ 8 5/8″ 11/16″ 11/16″
E 10″ 8.1/4″ 8 5/8″ 11/16″ 11/16″
F 11″ 9.1/4″ 8 3/4″ 7/8″ 7/8″
H 11″ 9.1/4″ 8 3/4″ 7/8″ 1.1/8″
ASA 125/150 10″ 8.1/2″ 8 3/4″ 7/8″ 15/16″
300 11″ 9.1/4″ 8 3/4″ 7/8″ 1.3/8″
600 13″ 10.1/2″ 8 1″ 1.1/8″ 1.3/4″
METRIC PN 6 240 200 8 M16 18 18
PN 10 250 210 8 M16 18 22
PN 16 250 210 8 M16 18 22
PN 25 270 220 8 M24 26 26
PN 40 270 220 8 M24 26 26
Table Diameter PCD No of Holes Diameter Bolts Diameter Holes Thickness
BS D 11″ 9.1/4″ 8 5/8″ 11/16″ 11/16″
E 11″ 9.1/4″ 8 3/4″ 7/8″ 11/16″
F 12″ 10.1/4″ 12 3/4″ 7/8″ 7/8″
H 12″ 10.1/4″ 12 3/4″ 7/8″ 1.1/8″
ASA 125/150 11″ 9.1/2″ 8 3/4″ 7/8″ 1″
300 12.1/2″ 10.5/8″ 12 3/4″ 7/8″ 1.7/16″
600 14″ 11.1/2″ 12 1″ 1.1/8″ 1.7/8″
METRIC PN 6 265 225 8 M16 18 18
PN 10 285 240 8 M20 22 22
PN 16 285 240 8 M20 2 22
PN 25 300 250 8 M24 26 28
PN 40 300 250 8 M24 26 28
Table Diameter PCD No of Holes Diameter Bolts Diameter Holes Thickness
BS D 13.1/4″ 11.1/2″ 8 5/8″ 11/16″ 3/4″
E 13.1/4″ 11.1/2″ 8 3/4″ 7/8″ 3/4″
F 14.1/2″ 12.3/4″ 12 3/4″ 7/8″ 1″
H 14.1/2″ 12.3/4″ 12 3/4″ 7/8″ 1.1/4″
ASA 125/150 13.1/2″ 11.3/4″ 8 3/4″ 7/8″ 1.1/8″
300 15″ 13″ 12 7/8″ 1″ 1.5/8″
600 16.1/2″ 13.3/4″ 12 1.1/8″ 1.1/4″ 2.3/16″
METRIC PN 6 320 280 8 M16 18 20
PN 10 340 295 8 M20 22 24
PN 16 340 295 12 M20 22 24
PN 25 360 310 12 M24 26 30
PN 40 375 320 12 M27 30 34
Table Diameter PCD No of Holes Diameter Bolts Diameter Holes Thickness
BS D 16″ 14″ 8 3/4″ 7/8″ 3/4″
E 16″ 14″ 12 3/4″ 7/8″ 7/8″
F 17″ 15″ 12 7/8″ 1″ 1.1/8″
H 17″ 15″ 12 7/8″ 1″ 1.3/8″
ASA 125/150 16″ 14.1/4″ 12 7/8″ 1″ 1.3/16″
300 17.1/2″ 15.1/4″ 16 1″ 1.1/8″ 1.7/8″
600 20″ 17″ 16 1.1/4″ 1.3/8″ 2.1/2″
METRIC PN 6 375 335 12 M16 18 22
PN 10 395 350 12 M20 22 26
PN 16 405 355 12 M24 26 26
PN 25 425 370 12 M27 30 32
PN 40 450 385 12 M30 33 38
Table Diameter PCD No of Holes Diameter Bolts Diameter Holes Thickness
BS D 18″ 16″ 12 3/4″ 7/8″ 7/8″
E 18″ 16″ 12 7/8″ 1″ 1″
F 19.1/4″ 17.1/4″ 16 7/8″ 1″ 1.1/4″
H 19.1/4″ 17.1/4″ 16 7/8″ 1″ 1.5/8″
ASA 125/150 19″ 17″ 12 7/8″ 1″ 1.1/4″
300 20.1/2″ 17.3/4″ 16 1.1/8″ 1.1/4″ 2″
600 22″ 19.1/4″ 20 1.1/4″ 1.3/8″ 2.5/8″
METRIC PN 6 440 395 12 M20 22 22
PN 10 445 400 12 M20 22 26
PN 16 460 410 12 M24 26 28
PN 25 485 430 16 M27 30 34
PN 40 515 450 16 M30 33 42