flanges,MS flanges,MS flanges manufacturer,MS circel cuttings,flanges manufacturer
 
    Specifications
  Dimensions of IS Flanges
  Dimension of Flanges as per
    Table BS-10
  Dimensions in MM of
    ANSI B 16.5 Class 150
  Dimensions in MM of
    ANSI B 16.5 Class 300
 

    


 


       Dimensions of Flanges as per Table BS - 10
 
TABLE D
For Working Steam Pressure upto 50 lbs per sq. Inch
 
Nominal Pipe Size O. D. of pipe O. D. P. C. D. No. of bolt Dia of bolt Thickness
1/2" 21.3 95.3 66.7 4 12.7 4.8
3/4" 26.7 101.6 73.0 4 12.7 4.8
1" 33.4 114.3 82.6 4 12.7 4.8
1.1/4" 42.2 120.7 87.3 4 12.7 6.4
1.1/2" 48.3 133.4 98.4 4 12.7 6.4
2" 60.3 152.4 114.3 4 15.9 7.9
2.1/2" 73.0 165.1 127.0 4 15.9 7.9
3" 88.9 184.2 146.1 4 15.9 9.5
3.1/2" 101.6 203.2 165.1 4 15.9 9.5
4" 114.3 215.9 177.8 4 15.9 9.5
5" 141.3 254.0 209.6 8 15.9 12.7
6" 168.3 279.4 228.6 8 15.9 12.7
7" 190.5 304.8 260.4 8 15.9 12.7
8" 219.1 336.6 292.1 8 15.9 12.7
9" 244.5 368.3 323.9 8 15.9 15.9
10" 273.0 406.4 355.6 8 19.1 15.9
12" 323.9 457.2 406.4 12 19.1 15.9
14" 355.6 527.1 469.9 12 22.2 19.1
16" 406.4 577.9 520.7 12 22.2 19.1
18" 457.2 641.4 584.2 12 22.2 22.2
20" 508.0 704.9 641.4 16 22.5 25.4
24" 609.6 825.5 755.7 16 25.4 28.6

TABLE E
For Working Steam Pressure upto 100 lbs per sq. Inch

Nominal Pipe Size O. D. of pipe O. D. P. C. D. No. of bolt Dia of bolt Thickness
1/2" 21.3 95.3 66.3 4 12.7 6.4
3/4" 26.7 101.6 73.0 4 12.7 6.4
1" 33.4 114.3 82.6 4 12.7 7.1
1.1/4" 42.2 120.7 87.3 4 12.7 7.9
1.1/2" 48.3 133.4 98.4 4 12.7 8.7
2" 60.3 152.4 114.3 4 15.9 9.5
2.1/2" 73.0 165.1 127.0 4 15.9 10.3
3" 88.9 184.2 146.1 4 15.9 11.1
3.1/2" 101.6 203.2 165.1 8 15.9 11.9
4" 114.3 215.9 177.8 8 15.9 12.7
5" 141.3 254.0 209.6 8 15.9 14.3
6" 168.3 279.4 228.6 8 19.1 17.5
7" 190.5 304.8 260.4 8 19.1 19.1
8" 219.1 336.6 292.1 8 19.1 19.1
9" 244.5 368.3 323.9 12 19.1 20.6
10" 273.0 406.4 355.6 12 19.1 22.2
12" 323.9 257.2 406.4 12 22.2 25.4
14" 355.6 527.2 469.9 12 22.2 25.4
16" 406.4 577.9 520.7 12 22.2 25.4
18" 457.2 641.4 584.2 16 22.2 28.6
20" 508.0 704.9 647.4 16 22.2 31.8
24" 609.6 825.5 755.7 16 25.4 38.1

TABLE F
For Working Steam Pressure above 100 lbs and upto 150 lbs per sq. Inch
 
Nominal Pipe Size O. D. of pipe O. D. P. C. D. No. of bolt Dia of bolt Thickness
1/2" 21.3 95.3 66.7 4 12.7 9.5
3/4" 26.7 101.6 73.0 4 12.7 9.5
1" 33.4 120.7 87.3 4 15.9 9.5
1.1/4" 42.2 133.4 98.4 4 15.9 12.7
1.1/2" 48.3 139.7 104.8 4 15.9 12.7
2" 60.3 165.1 127.0 4 15.9 15.9
2.1/2" 73.0 184.2 146.1 8 15.9 15.9
3" 88.9 203.2 165.1 8 15.9 15.9
3.1/2" 101.6 215.9 177.8 8 15.9 19.1
4" 114.3 228.6 190.5 8 15.9 19.1
5" 141.3 279.4 235.0 8 19.1 22.2
6" 168.3 304.8 260.4 12 19.1 22.2
7" 190.5 336.6 292.1 12 19.1 22.2
8" 219.1 368.3 323.9 12 19.1 25.4
9" 244.5 406.4 355.6 12 22.2 25.4
10" 273.0 431.8 381.0 12 22.2 25.4
12" 323.9 489.0 438.2 16 22.2 28.6
14" 355.6 552.5 495.3 16 25.4 31.8
16" 406.4 609.6 552.5 20 25.4 31.8
18" 457.2 673.1 609.6 20 28.6 34.9
20" 508.0 736.6 673.1 24 28.6 38.1
24" 609.6 850.9 781.1 24 318 41.3

TABLE H
For Working Steam Pressure above 150 lbs and upto 250 lbs per sq. Inch
 
Nominal Pipe Size O. D. of pipe O. D. P. C. D. No. of bolt Dia of bolt Thickness
1/2" 21.3 114.3 82.6 4 15.9 12.7
3/4" 26.7 114.3 82.6 4 15.9 12.7
1" 33.4 120.7 87.3 4 15.9 14.3
1.1/4" 42.2 133.4 98.4 4 15.9 17.5
1.1/2" 48.3 139.7 104.8 4 15.9 17.5
2" 60.3 165.1 127.0 4 15.9 19.1
2.1/2" 73.0 184.2 146.1 8 15.9 19.1
3" 88.9 203.2 165.1 8 15.9 22.2
3.1/2" 101.6 215.9 177.8 8 15.9 22.2
4" 114.3 228.6 190.5 8 15.9 25.4
5" 141.3 279.4 235.0 8 19.1 28.6
6" 168.3 304.8 260.4 12 19.1 28.6
7" 190.5 336.6 292.1 12 19.1 31.8
8" 219.1 368.3 323.9 12 19.1 31.8
9" 244.5 406.4 355.6 12 22.2 34.9
10" 273.0 431.8 381.0 12 22.2 34.9
12" 323.9 489.0 438.2 16 22.2 38.1
14" 355.6 552.5 495.3 16 25.4 41.3
16" 406.4 609.6 552.5 20 25.4 44.5
18" 457.2 673.1 609.6 20 28.6 47.6
20" 508.0 736.6 673.1 24 28.6 50.8
24" 609.6 850.9 781.1 24 31.8 57.2


 

 

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