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Flange Dimension

Brand Flanges Stockist Brand Flanges Suppliers Brand Flanges Exporters, Hot Price Flanges Distributors Sheet Plate Manufacturer India We at Semmco Metal having the experience of 18 years in Flanges business. We can meet your EXACT SPECIFICATIONS in Flanges We sell NEW, SURPLUS Flanges.

Our existing clients of Flanges in India call us that you are our Flanges PROFESSIONALS, most of our clients says that we got the material in time, whenever we had urgent requirements of specific grades in Flanges,

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Normal
pipe
size		 Outside
dia. of
flange		 Minimum
thickness
of flange		 Overall         Length Bolt 
Circle		 No. and
Size of
Holes		 O.D. of
raised
face
Welding
neck		 Slip-on
& socket
welding		 Lap Joint
O Q Y Diam. No. dia. R
1/2 89 11.2 47.6 15.9 15.9 60.5 4 15 35
3/4 117 15.9 57.2 25.4 25.4 82.5 4 15 43
1 108 14.3 55.6 17.5 17.5 79.5 4 15 51
1.1/4 117 15.9 57.2 20.6 20.6 89.0 4 15 64
1.1/2 127 17.5 61.9 22.2 22.2 98.5 4 15 73
2 152 19.1 63.5 25.4 25.4 120.5 4 19 92
2.1/2 178 22.3 69.8 28.6 28.6 139.5 4 19 105
3 190 23.9 69.8 30.2 30.2 152.5 4 19 127
3.1/2 216 23.9 71.4 31.8 31.8 178.0 8 19 140
4 229 23.9 86.2 33.3 33.3 190.5 8 19 157
5 254 23.9 88.9 36.5 36.5 216.0 8 22 186
6 279 25.4 88.9 39.7 39.7 241.5 8 22 216
8 343 28.6 101.6 44.4 44.4 298.5 8 22 270
10 406 30.2 101.6 49.2 49.2 362.0 12 25 324
12 483 31.8 114.3 55.6 55.6 432.0 12 25 381
14 533 35.0 127.0 57.2 79.4 476.0 12 29 413
16 597 36.6 127.0 63.5 87.3 539.5 16 29 470
18 635 39.7 139.7 68.3 96.8 578.0 16 32 533
20 698 42.9 144.5 73.0 103.2 635.0 20 32 584
24 813 47.7 152.4 82.6 111.1 749.5 20 35 692



Normal
pipe
size		 Outside
dia. of
flange		 Minimum
thickness
of flange		 Overall Length Bolt 
Circle		 No. and 
Size of
Holes		 O.D. of
raised
face
Welding 
neck		 Slip-on
& socket
welding		 Lap Joint
O Q Y Diam. No. dia. R
1/2 95 14.3 52.4 22.2 22.2 666.5 4 15 35
3/4 117 15.9 57.2 25.4 25.4 82.4 4 19 43
1 124 17.5 61.9 27.0 27.0 89.0 4 19 51
1-1/4 133 19.1 65.1 27.0 27.0 98.5 4 19 64
1-1/2 156 20.7 68.3 30.2 30.2 114.5 4 22 73
2 165 22.3 69.8 33.3 33.3 127.0 8 19 92
2-1/2 190 25.4 76.2 38.1 38.1 149.0 8 22 105
3 210 28.6 79.4 42.9 42.9 168.0 8 22 127
4 254 318 85.7 47.6 47.6 200.0 8 22 157
5 279 35.0 98.4 50.8 50.8 235.0 8 22 186
6 313 36.6 98.4 52.4 52.4 270.0 12 22 216
6 381 413 111.1 61.9 91.9 330.0 12 25 270
10 444 47.7 117.5 66.7 95.3 387.5 16 29 324
12 521 50.8 130.2 73.0 101.6 451.0 16 32 381
14 584 54.0 142.9 76.2 111.1 514.5 20 32 413
16 648 57.2 146.0 82.6 120.7 571.5 20 35 470
18 711 60.4 158.8 88.9 130.2 628.5 24 35 533
20 775 63.5 161.9 95.2 139.7 686.0 24 35 584
24 914 69.9 168.3 106.4 152.4 843.0 24 41 692



Normal
pipe
size		 Outside
dia. of
flange		 Minimum
thickness of
flange		 Overall Length Bolt Circle No. and
Size of
Holes		 O.D. of
raised
face
Welding neck Slip-on 
& socket
welding		 Lap Joint
O Q Y Diam. No. dia. R
1/2 95 14.3 52.4 22.2 22.2 66.5 4 15 35
3/4 117 15.9 57.2 25.4 25.4 82.5 4 19 43
1 124 17.5 61.9 27.0 27.0 89.0 4 19 51
1-1/4 133 20.7 66.7 28.6 28.6 98.5 4 19 64
1-1/2 156 22.3 69.8 31.8 31.8 114.5 4 22 73
2 165 25.4 73.0 36.5 36.5 127.0 8 19 92
2-1/2 190 28.6 79.4 41.3 41.3 149.0 8 22 105
3 210 31.8 82.6 46.0 46.0 168.0 8 22 127
3-1/2 229 35.0 85.7 49.2 49.2 184.0 8 25 140
4 273 38.1 101.6 54.0 54.0 216.0 8 25 157
5 330 44.5 114.3 60.3 60.3 266.5 8 29 186
6 356 47.7 117.5 66.7 66.7 292.0 12 29 216
8 419 55.6 133.4 76.2 76.2 349.0 12 32 270
10 508 63.5 152.4 85.7 115.1 432.0 16 85 324
12 559 66.7 155.6 92.1 111.1 489.0 20 35 381
14 603 69.9 165.1 93.7 117.5 527.0 20 38 413
16 686 76.2 177.8 106.4 127.0 603.0 20 41 470
18 743 82.6 184.2 117.6 139.7 654.0 20 45 533
20 813 88.9 190.5 127.0 165.1 724.0 24 45 584
24 940 101.6 203.2 139.7 184.2 838.0 24 51 692



Normal
pipe
size		 Outside
dia. of
flange		 Minimum
thickness of
flange		 Overall Length Bolt
Circle		 No. and 
Size of 
Holes		 O.D. of
raised
face
Welding neck Slip-on
& 
socket 
welding		 Lap Joint
O Q Y Diam. No. dia. R
1/2 121 22.3 60.3 31.8 31.8 82.5 4 22 35
3/4 130 25.4 69.8 34.9 34.9 89.0 4 22 43
1 149 28.6 78.0 41.3 41.3 101.5 4 25 51
1-1/4 159 28.6 78.0 41.3 41.3 111.0 4 25 64
1-1/2 178 31.8 82.6 44.4 44.4 124.0 4 29 78
2 216 38.1 101.6 57.2 57.2 165.0 8 25 92
2-1/2 244 41.3 104.8 63.5 63.5 190.5 8 29 105
8 241 38.1 101.6 54.0 54.0 190.5 8 25 127
3-1/2
4 292 44.5 114.3 69.8 69.8 235.0 8 32 157
5 349 50.8 127.0 79.4 79.4 279.5 8 35 186
6 381 55.6 189.7 85.7 85.7 317.5 12 32 216
8 470 68.5 161.9 101.8 114.3 393.5 12 38 270
10 546 69.9 184.2 108.0 127.0 470.0 16 38 324
12 610 79.4 200.0 117.5 142.9 533.5 20 38 381
14 584 54.0 142.9 76.2 111.1 514.5 20 32 413
16 711 60.4 158.8 88.9 130.2 628.5 24 35 533
20 775 63.5 161.9 95.2 139.7 686.0 24 35 584
24 914 69.9 168.3 106.4 152.4 843.0 24 41 692



Normal
pipe
size		 Outside
dia. of
flange		 Minimum 
thickness
of flange		 Overall          Length Bolt 
Circle		 No. and 
Size of 
Holes		 O.D. 
of raised
face
Welding
neck		 Slip-on
& 
socket 
welding		 Lap 
Joint
O Q Y Diam. No. dia. R
1/2 12.1 22.3 60.3 31.8 31.8 82.5 4 22 35
3/4 130 25.4 69.8 34.9 34.9 89.0 4 22 43
1 149 28.6 73.0 41.3 41.3 101.5 4 25 51
1-1/4 159 28.6 73.0 41.3 41.3 111.0 4 25 64
1-1/2 178 31.8 82.6 44.4 44.4 124.0 4 29 73
2 216 38.1 101.6 57.2 57.2 165.0 8 25 92
2-1/2 244 41.3 104.8 63.5 63.5 190.5 8 29 105
3 267 47.7 117.5 73.0 73.0 203.0 8 32 127
3-1/2
4 311 54.0 123.8 90.5 90.5 241.5 8 35 157
5 375 73.1 155.5 104.8 104.8 292.0 8 41 186
6 394 82.6 171.4 119.1 119.1 317.5 12 38 216
8 483 92.1 212.7 142.9 142.9 393.5 12 45 270
10 584 108.0 254.0 158.8 177.8 482.5 12 51 324
12 673 123.9 282.9 181.0 219.1 571.5 16 54 381
14 749 133.4 298.4 ----- 241.3 635.0 16 60 413
16 826 146.1 311.2 ----- 260.4 705.0 16 51 470
18 914 162.0 327.0 ------ 276.2 474.5 16 73 538
20 984 117.8 355.4 ----- 292.1 832.0 16 80 584
24 1168 203.2 406.4 ----- 330.2 990.5 16 92 692



Normal
pipe
size		 Outside
dia. of
flange		 Minimum
thickness
of flange		 Overall          Length Bolt
Circle		 No. and
Size of
Holes		 O.D. of
raised
face
Welding
neck		 Slip-on
&
socket
welding		 Lap
Joint
O Q Y Diam. No. dia. R
1/2 133.4 30.2 73.0 39.7 39.7 88.9 4 22 34.9
3/4 139.7 31.8 79.4 42.9 42.9 95.3 4 22 42.9
1 158.8 34.9 88.9 47.6 47.6 108.0 4 25 50.8
1-1/4 184.2 38.1 95.3 52.4 52.4 130.2 4 29 63.5
1-1/2 203.2 44.5 111.1 60.3 60.3 146.0 4 32 73.0
2 235.0 50.8 127.0 69.9 69.9 171.5 8 29 92.1
2-1/2 266.7 57.2 142.9 79.4 79.4 196.9 8 32 104.8
3 304.8 66.7 168.3 92.1 92.1 228.6 8 35 127.0
3-1/2
4 355.6 76.2 190.5 108.0 108.0 273.0 8 41 157.2
5 419.1 92.1 228.6 130.2 130.2 323.9 8 48 185.7
6 482.6 108.0 273.1 152.4 152.4 268.3 8 54 215.9
8 552.5 127.0 317.5 177.8 177.8 438.2 12 54 269.9
10 673.1 165.1 419.1 228.6 228.6 539.8 12 67 323.9
12 762.0 184.2 463.6 254.0 254.0 619.1 12 73 381.03
14 --- --- --- --- --- --- -- --- ---
16 --- --- --- --- --- --- -- --- ---
18 --- --- --- --- --- --- -- --- --
20 --- --- --- --- --- --- -- --- --
24 --- --- --- --- --- --- -- --- --



Nom.
pipe
Size		 Outside
Diam		 Light
Wall
6		 Sched.
20		 Sched.
30		 Std.
Wall		 Sched.
40		 Sched.
60		 Extra
Strong		 Sched.
80		 Sched.
100		 Sched.
120		 Sched.
140		 Sched.
160		 Double
Extra
Strong
1/2
3/4
1		 0.840
1.050
1.315		 .674
.884
1.097		 .....
.....
....		 .....
.....
....		 0.622
0.824
1.049		 0.622
0.824
1.049		 .....
.....
....		 0.546
0.742
0.957		 0.546
0.742
0.957		 .....



Semmco Metal

Today, is able to fulfill the services of the total piping accessories i.e. Pipe Fittings, Flanges and Pipes to the client's Specification and to the international standards and codes. The supplies can be in bulk is any given small quantity, the dispatches are form ex-stock (Subject to availability).

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