Pipe Normal Diam.

O.D.
OF
Flange

Thickness

Length
Through
Hub

Diam. of
Hub
at Base

Hub
Diam.
Top

Raised
Face
Diam.

Diam. of
Bolt
Circle

No. of
Bolt
Holes

Diam. of
Bolt
Holes

Diam. of
Bolt

Fillet
Radius
Min.

inch

O

C

Y

X

A

R

BD

BN

BH

DB

r1

26"

971.6

79.2

184.2

720.9

660.4

749.3

876.3

28

44.5

1 5/8

9.7

28"

1035.1

85.9

196.9

774.7

711.2

800.1

939.8

28

44.5

1 5/8

11.2

30"

1092.2

91.9

209.6

827

762

857.3

997

28

47.8

1 3/4

11.2

32"

1149.4

98.6

222.3

881.1

812.8

914.4

1054.1

28

50.8

1 7/8

11.2

34"

1206.5

101.6

231.6

936.8

863.6

965.2

1104.9

28

50.8

1 7/8

12.7

36"

1270

104.6

241.3

990.6

914.4

1022.4

1168.4

32

53.8

2

12.7

38"

1168.4

108

180.8

993.6

965.2

1028.7

1092.2

32

41.1

1 1/2

12.7

40"

1238.3

114.3

193.5

1047.8

1016

1085.9

1155.7

32

44.5

1 5/8

12.7

42"

1289.1

119.1

200.2

1098.6

1066.8

1136.7

1206.5

32

44.5

1 5/8

12.7

44"

1352.6

124

206.2

1149.4

1117.6

1193.8

1263.7

32

47.8

1 3/4

12.7

46"

1416.1

128.5

215.9

1203.5

1168.4

1244.6

1320.8

28

50.8

1 7/8

12.7

48"

1466.9

133.4

223.8

1254.3

1219.2

1301.8

1371.6

32

50.8

1 7/8

12.7

50"

1530.4

139.7

231.6

1305.1

1270

1358.9

1428.8

32

53.8

2

12.7

52"

1581.2

144.5

238.3

1355.9

1320.8

1409.7

1479.6

32

53.8

2

12.7

54"

1657.4

152.4

252.5

1409.7

1371.6

1466.9

1549.4

28

60.5

2 1/4

12.7

56"

1708.2

153.9

260.4

1463.5

1422.4

1517.7

1600.2

28

60.5

2 1/4

12.7

58"

1759

158.8

266.7

1514.3

1473.2

1574.8

1651

32

60.5

2 1/4

12.7

60"

1809.8

163.6

273.1

1565.1

1524

1625.6

1701.8

32

60.5

2 1/4

12.7