BS 10 TABLE F & TABLE H

Indian Standard

 
Table F for W. Steam Pressure 100 lbs per Sq. Inch
(in inches)
  Table H for W. Steam Pressure 150 lbs and
upto 250 lbs per Sq. Inch (in inches)
Nominal
Dia.
of
Flange
I.D. of Flange Dia.
of
Bolt Circle
No.
of
Dia.
of
Bolt
Thickness Nominal
Dia.
of
Flange
I.D. of Flange Dia.
of
Bolt Circle
No.
of
Dia.
of
Bolt
Thickness
Pipe Size D d5 k Holes d2 b Pipe Size D d5 k Holes d2 b
1/2" 3.3/4" 7/8" 2.5/8" 4 1/2" 3/8" 1/2" 4.1/2" 7/8" 3.1/4" 4 5/8" 1/2"
3/4" 4" 1.3/32" 2.7/8" 4 1/2" 3/8" 3/4" 4.1/2" 1.3/32" 3.1/4" 4 5/8" 1/2"
1" 4.3/4" 1.23/64" 3.7/16" 4 5/8" 3/8" 1" 4.3/4" 1.23/64" 33.7/16" 4 5/8" 9/16"
1.1/4" 5.1/4" 1.45/64" 3.7/8" 4 5/8" 1/2" 1.1/4" 5.1/4" 1.45/64" 3.7/8" 4 5/8" 11/16"
1.1/2" 5.1/2" 1.15/16" 4.1/8" 4 5/8" 1/2" 1.1/2" 5.1/2" 1.15/16" 4.1/8" 4 5/8" 11/16"
2" 6.1/2" 2.7/16" 5" 4 5/8" 5/8" 2" 6.1/2" 2.7/16" 5" 4 5/8" 3/4"
2.1/2 7.1/4" 2.15/16" 5.3/4" 8 5/8" 5/8" 2.1/2" 7.1/4" 2.15/16" 5.3/4" 8 5/8" 3/4"
3" 8" 3.37/64" 6.1/2" 8 5/8" 5/8" 3" 8" 3.37/64" 6.1/2" 8 5/8" 7/8"
3.1/2" 8.1/2" 4.5/64" 7" 8 5/8" 3/4" 3.1/2" 8.1/2" 4.5/64" 7" 8 5/8" 7/8"
4" 9" 4.37/64" 7.1/2" 8 5/8" 3/4" 4" 9" 4.37/64" 7.1/2" 8 5/8" 1"
5" 11" 5.43/64" 9.1/4" 8 3/4" 7/8" 5" 11" 5.43/64" 9.1/4" 8 3/4" 1.1/8"
6" 12" 6.23/32" 10.1/4" 12 3/4" 7/8" 6" 12" 6.23/32" 10.1/4" 12 3/4" 1.1/8"
7" 13.1/4" 7.5/8" 11.1/2" 12 3/4" 7/8" 7" 13.1/4" 7.5/8" 11.1/2" 12 3/4" 1.1/4"
8' 14.1/2" 8.23/32" 12.3/4" 12 3/4" 1" 8" 14.1/2" 8.23/32" 12.3/4" 12 3/4" 1.1/4"
9" 16" 9.23/32" 14" 12 7/8" 1" 9" 16" 9.23/32" 14" 12 7/8" 1.3/8"
10" 17" 10.7/8" 15" 12 7/8" 1" 10" 17" 10.7/8" 15" 12 7/8" 1.3/8"
12" 19.1/4" 12.7/8" 17.1/4" 16 7/8" 1/1/8" 12" 19.1/4" 12.7/8" 17.1/4" 16 7/8" 1.1/2"
14" 21.3/4" 14.9/64" 19.1/2" 16 1" 1.1/4" 4" 21.3/4" 14.9/64" 19.1/2" 16 1" 1.5/8"
16" 24" 16.5/32" 21.3/4" 20 1" 1.1/4" 6" 24" 16.5/32" 21.3/4" 20 1" 1.3/4"
18" 26.1/2" 18.3/16" 24" 20 1.1/8" 1.3/8" 18" 26.1/2" 18.3/16" 24" 20 1.1/8" 1.7/8"
20" 29" 20.13/16" 26.1/2" 24 1.1/8" 1.1/2" 20" 29" 20.13/16" 26.1/2" 24 1.1/8" 2"
24" 33.1/2" 24.1/4" 30.3/4" 24 1.1/4" 1.5/8" 24" 33.1/2" 24.1/4" 30.3/4" 24 1.1/4" 2.1/4"