British Standard Pipe Flanges, Pipe Flanges, Dimension Of Pipe Flanges, pipe Flange, Mumbai, India
 

FLANGES (FORGED/PLATE)



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BRITISH STANDARD PIPE FLANGES


DIMENSION OF PIPE FLANGES AS PER TABLE BS-10

Table D for W. Steam Pressure upto 50 lbs per Sq. Inch   Table E for W. Steam Pressure 50 lbs and upto 100 lbs per Sq. Inch
Nominal
Pipe Size
O.D.
of
Pipe
Dia.
of
Flange
Dia.
of
Bolt Circle
No.
of
Bolt
Dia.
of
Bolt
Thickness Nominal
Pipe
Size
Dia.
of
Flange
Dia.
of
Bolt
Circle
No.
of
Bolt
Dia.
of
Bolt
Thickness
1/2" 27/32" 3.3/4" 2.5/8" 4 1/2" 3/16" 1/2" 3.3/4" 2.5/8" 4 1/2" 1/4"
3/4" 1.1/16" 4" 2.7/8" 4 1/2" 3/16" 3/4" 4" 2.7/8" 4 1/2" 1/4"
1" 1.11/32" 4.1/2" 3.1/4" 4 1/2" 3/16" 1" 4.1/2" 3.1/4" 4 1/2" 9/32"
1.1/4" 1.11/16" 4.3/4" 3.7/16" 4 1/2" 1/4" 1.1/4" 4.3/4" 3.7/16" 4 1/2" 5/16"
1.1/2" 1.29/32" 5.1/4" 3.7/8" 4 1/2" 1/4" 1.1/2" 5.1/4" 3.7/8" 4 1/2" 11/32"
2" 2.3/8" 6" 4.1/2" 4 5/8" 5/16" 2" 6" 4.1/2" 4 5/8" 3/8"
2.1/2 3" 6.1/2" 5" 4 5/8" 5/16" 2.1/2" 6.1/2" 5" 4 5/8" 13/32"
3" 3.1/2" 7.1/4" 5.3/4" 4 5/8" 3/8" 3" 7.1/4" 5.3/4" 4 5/8" 7/16"
3.1/2" 4" 8" 6.1/2" 4 5/8" 3/8" 3.1/2" 8" 6.1/2" 8 5/8" 15/32"
4" 4.1/2" 8.1/2" 7" 4 5/8" 3/8" 4" 8.1/2" 7" 8 5/8" 1/2"
5" 5.1/2" 10" 8.1/4" 8 5/8" 1/2" 5" 10" 8.1/4" 8 5/8" 9/16"
6" 6.1/2" 11" 9.1/4" 8 5/8" 1/2" 6" 11" 9.1/4" 8 3/4" 11/16"
7" 7.1/2" 12" 10.1/4" 8 5/8" 1/2" 7" 12" 10.1/4" 8 3/4" 3/4"
8' 8.5/8" 13.1/4" 11.1/2" 8 5/8" 1/2" 8" 12.1/4" 11.1/2" 8 3/4" 3/4"
9" 9.5/8" 14.1/2" 12.3/4" 8 5/8" 5/8" 9" 14.1/2" 12.3/4" 12 3/4" 13/16"
10" 10.3/4" 16" 14" 8 3/4" 5/8" 10" 16" 14" 12 3/4" 7/8"
12" 12.3/4" 18" 16" 12 3/4" 5/8" 12" 18" 16" 12 7/8" 1"
14" 14" 20.3/4" 18.1/2" 12 7/8" 3/4" 4" 20.3/4" 18.1/2" 12 7/8" 1"
16" 16" 22.3/4" 20.1/2" 12 7/8" 3/4" 6" 22.3/4" 20.1/2" 12 7/8" 1"
18" 18" 25.1/4" 23" 12 7/8" 7/8" 18" 25.1/4" 23" 16 7/8" 1.1/8"
20" 20" 27.3/4" 25.1/4" 16 7/8" 1" 20" 27.3/4" 25.1/4" 16 7/8" 1.1/4"
24" 24" 32.1/2" 29.3/4" 16 1" 1.1/8" 24" 32.1/2" 29.3/4" 16 1" 1.1/2"


Table F for W. Steam Pressure 100 lbs per Sq. Inch   Table H for W. Steam Pressure 150 lbs and
upto 250 lbs per Sq. Inch
Nominal
Pipe Size
Dia.
of
Flange
Dia.
of
Bolt Circle
No.
of 
Bolt
Dia.
of
Bolt
Thickness Nominal
Pipe
Size
Dia.
of
Flange
Dia.
of
Bolt
Circle
No.
of
Bolt
Dia.
of
Bolt
Thickness
1/2" 3.3/4" 2.5/8" 4 1/2" 3/8" 1/2" 4.1/2" 3.1/4" 4 5/8" 1/2"
3/4" 4" 2.7/8" 4 1/2" 3/8" 3/4" 4.1/2" 3.1/4" 4 5/8" 1/2"
1" 4.3/4" 3.7/16" 4 5/8" 3/8" 1" 4.3/4" 33.7/16" 4 5/8" 9/16"
1.1/4" 5.1/4" 3.7/8" 4 5/8" 1/2" 1.1/4" 5.1/4" 3.7/8" 4 5/8" 11/16"
1.1/2" 5.1/2" 4.1/8" 4 5/8" 1/2" 1.1/2" 5.1/2" 4.1/8" 4 5/8" 11/16"
2" 6.1/2" 5" 4 5/8" 5/8" 2" 6.1/2" 5" 4 5/8" 3/4"
2.1/2 7.1/4" 5.3/4" 8 5/8" 5/8" 2.1/2" 7.1/4" 5.3/4" 8 5/8" 3/4"
3" 8" 6.1/2" 8 5/8" 5/8" 3" 8" 6.1/2" 8 5/8" 7/8"
3.1/2" 8.1/2" 7" 8 5/8" 3/4" 3.1/2" 8.1/2" 7" 8 5/8" 7/8"
4" 9" 7.1/2" 8 5/8" 3/4" 4" 9" 7.1/2" 8 5/8" 1"
5" 11" 9.1/4" 8 3/4" 7/8" 5" 11" 9.1/4" 8 3/4" 1.1/8"
6" 12" 10.1/4" 12 3/4" 7/8" 6" 12" 10.1/4" 12 3/4" 1.1/8"
7" 13.1/4" 11.1/2" 12 3/4" 7/8" 7" 13.1/4" 11.1/2" 12 3/4" 1.1/4"
8' 14.1/2" 12.3/4" 12 3/4" 1" 8" 14.1/2" 12.3/4" 12 3/4" 1.1/4"
9" 16" 14" 12 7/8" 1" 9" 16" 14" 12 7/8" 1.3/8"
10" 17" 15" 12 7/8" 1" 10" 17" 15" 12 7/8" 1.3/8"
12" 19.1/4" 17.1/4" 16 7/8" 1/1/8" 12" 19.1/4" 17.1/4" 16 7/8" 1.1/2"
14" 21.3/4" 19.1/2" 16 1" 1.1/4" 4" 21.3/4" 19.1/2" 16 1" 1.5/8"
16" 24" 21.3/4" 20 1" 1.1/4" 6" 24" 21.3/4" 20 1" 1.3/4"
18" 26.1/2" 24" 20 1.1/8" 1.3/8" 18" 26.1/2" 24" 20 1.1/8" 1.7/8"
20" 29" 26.1/2" 24 1.1/8" 1.1/2" 20" 29" 26.1/2" 24 1.1/8" 2"
24" 33.1/2" 30.3/4" 24 1.1/4" 1.5/8" 24" 33.1/2" 30.3/4" 24 1.1/4" 2.1/4"


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