-->>Pipe flange

The above fittings are also manufactured in BS, DIN, JIS, SAE & IS Standards or any other international standards. We are leading manufacturer and exporter of steel pipe flanges, carbon steel flanges, stainless steel flanges, carbon steel pipe flanges, stainless steel pipe flanges, companion flanges, din flanges, WNRF flanges, SORF flanges and more.

ASTM A105:
Forged carbon steel pipe fittings, steel pipe flanges, forgings, rings, shafts, squares.

ASTM A181:
Crank shaft, rectangular bar & tube sheets.

ASTM A182:
Gr.F1/ F2/ F5/ F9/ F11/ F12/ F22/ F91/ F304/ F304H/ F304L/ F310/ F316/F316H/ F316L/ F316Ti / F321/ F347.
Wrought alloy steel & stainless steel pipe fittings & flanges and part for high-temperature services.

ASTM A-350
GR.LF1/ LF2/ LF3/ LF5/ LF6/ LF9.
Wrought forging carbon & low-alloy steel fitting and flanges.

ASTM A-420
GR. WPL1/ WPL3/ WPL6/ WPL8/ WPL9.
Wrought carbon steel & alloy steel fittings for low temperature services.

ANSI B16.5:
Forged flanges type WNRF, SORF, SWRF, SOLJ, SCRD, BLRF, threaded, T&G, LG, SG & RTJ. (150# to2500#) size ranging from 1/2Ħħ to 42Ħħ

ANSI B16.36
Forged orifice flanges type (150# to2500#) size ranging from 1/2Ħħ to 8Ħħ

The above fittings can also be manufactured and supplied as per NACE STANDARD MR0175-97.

 

Dimensions of Class 150 Flanges as per ANSI b 16.5

Nominal Pipe Size Flange Dia Dia of Bolt Circle Dia of Bolt Holes No. of Flange Thk of Flange Dia of Hub Length through Hub Dia of Bore Dia of R/F Depth of Socket
S/O & S/W W/N L/J S/O & S/W L/J
O A D - C E Y Y Y B B R F
15 88.9 60.3 15.9 4 11.1 30.2 15.9 47.6 15.9 22.3 22.9 34.9 9.5
20 98.4 69.8 15.9 4 12.7 38.1 15.9 52.4 15.9 27.7 28.2 42.9 11.1
25 107.9 79.4 15.9 4 14.3 49.2 17.5 55.6 17.5 34.5 35 50.8 12.7
32 117.5 88.9 15.9 4 15.9 58.7 20.6 57.1 20.6 43.2 43.7 63.5 14.3
40 127 98.4 15.9 4 17.5 65.1 22.2 61.9 22.2 49.5 50 73 15.9
50 152.4 120.6 19 4 19 77.8 25.4 63.5 25.4 62 62.5 92.1 17.5
65 177.8 139.7 19 4 22.2 90.5 28.6 69.8 28.6 74.7 75.4 104.8 19
80 190.5 152.4 19 4 23.8 107.9 30.2 69.8 30.2 90.7 91.4 127 20.6
100 228.6 190.5 19 8 23.8 134.9 33.3 76.2 33.3 116.1 116.8 157.2 23.8
125 254 215.9 22.2 8 23.8 163.5 36.5 88.9 36.5 143.8 144.5 185.7 23.8
150 279.4 241.3 22.2 8 25.4 192.1 39.7 88.9 39.7 170.7 170.4 215.9 27
200 342.9 298.4 22.2 8 28.6 246.1 44.4 101.6 44.4 221.5 222.4 269.9 31.7
250 406.4 361.9 25.4 12 30.2 304.8 49.2 101.6 49.2 276.3 277.4 323.8 33.3
300 482.6 431.8 25.4 12 31.8 365.1 55.6 114.3 55.6 327.1 328.2 381 39.7
350 533.4 476.2 28.6 12 34.9 400 57.1 127 79.4 359.1 360.2 412.7 41.3
400 596.6 539.7 28.6 16 36.5 457.2 63.5 127 87.3 410.5 411.2 469.9 44.4
450 635 577.8 31.7 20 39.7 504.8 68.3 139.7 96.8 461.8 462.3 533.4 49.2
500 698.5 635 31.7 20 42.9 558.8 73 144.5 103.2 513.1 514.3 584.4 54
600 812.8 749.3 34.9 20 47.6 663.6 82.5 152.4 111.1 615.9 615.9 692.1 63.5


Dimensions of Class 300 Flanges as per ANSI B 16.5

Nominal Pipe Size Flange Dia Dia of Bolt Circle Dia of Bolt Holes No. of Flange Thk of Flange Dia of Hub Length through Hub Dia of Bore Dia of R/F Depth of Socket
S/O & S/W W/N L/J S/O & S/W L/J
O A D - C E Y Y Y B B R F
15 95.2 66.7 15.9 4 14.3 38.1 22.2 52.4 22.2 22.3 22.9 34.9 9.5
20 117.5 82.5 19 4 15.9 47.6 25.4 57.1 25.4 27.7 28.2 42.9 11.1
25 123.8 88.9 19 4 17.5 54 27 61.9 27 34.5 35 50.8 12.7
32 133.3 98.4 19 4 19 63.5 27 65.1 27 43.2 43.7 63.5 14.3
40 155.6 114.3 22.2 4 20.6 69.884.1 30.2 68.3 30.2 49.5 50 73 15.9
50 165.1 127 19 8 22.2 100 33.3 69.8 33.3 62 62.5 92.1 17.5
65 190.5 149.2 22.2 8 25.4 117.5 38.1 76.2 38.1 74.7 75.4 104.8 19
80 209.5 168.3 22.2 8 28.6 146 42.9 79.4 42.9 90.7 91.4 127 20.6
100 254 200 22.2 8 31.8 177.8 47.6 85.7 47.6 116.1 116.8 157.2 23.8
125 279.4 234.9 22.2 8 34.9 206.4 50.8 98.4 50.8 143.8 143.5 185.7 -
150 317.5 269.9 22.2 12 36.5 206.3 52.4 98.4 52.4 170.7 170.4 215.9 -
200 381 330.2 25.4 12 41.3 260.3 61.9 111.1 61.9 221.5 222.4 269.9 -
250 444.5 387.3 28.6 16 47.6 320.7 66.7 117.5 95.2 276.3 277.4 323.8 -
300 520.7 450.8 31.7 16 50.8 374.6 73 130.2 101.6 327.1 328.2 381 -
350 584.2 514.3 31.7 20 54 425.4 76.2 142.9 111.1 359.1 360.2 412.7 -
400 647.7 571.5 34.9 20 57.2 482.6 82.5 146 120.6 410.5 411.2 469.9 -
450 711.2 628.5 34.9 24 60.3 533.4 88.9 158.7 130.2 461.8 462.3 533.4 -
500 774.7 685.8 34.9 24 63.5 587.4 95.2 161.9 139.7 513.1 514.3 584.4 -
600 914.4 812.8 41.3 24 69.8 701.7 106.4 168.3 152.4 615.9 615.9 692.1 -


Dimensions of Class 600 Flanges as per ANSI B 16.5

Nominal Pipe Size Flange Dia Dia of Bolt Circle Dia of Bolt Holes No. of Flange Thk of Flange Dia of Hub Length through Hub Dia of Bore Dia of R/F Depth of Socket
S/O & S/W W/N L/J S/O & S/W L/J
O A D - C E Y Y Y B B R F
15 95.2 66.7 15.9 4 14.3 38.1 22.2 52.4 22.3 22.3 22.8 34.9 9.5
20 117.5 82.5 19 4 15.9 47.6 25.4 57.1 25.4 27.7 28.1 42.9 11.1
25 123.8 88.9 19 4 17.5 54 27 61.9 26.9 34.5 35 50.8 12.7
32 133.3 98.4 19 4 20.6 63.5 28.6 66.7 28.4 43.2 43.6 63.5 14.2
40 155.6 114.3 22.2 4 22.2 69.8 31.7 69.8 31.7 49.5 50 73 15.8
50 165.1 127 19 8 25.4 84.1 36.5 73 36.5 62 62.4 92.1 17.4
65 190.5 149.2 22.2 8 28.6 100 41.3 79.4 41.1 74.7 75.4 104.8 19
80 209.5 168.3 22.2 8 31.8 117.5 46 82.5 45.9 90.7 91.4 127 -
100 273 215.9 25.4 8 38.1 152.4 54 101.6 53.8 116.1 116.8 157.2 -
125 330.2 266.7 28.6 8 44.4 188.9 60.3 114.3 60.4 143.8 141.5 185.7 -
150 355.6 292.1 28.6 12 47.6 222.2 66.7 117.5 66.5 170.7 171.4 215.9 -


Dimensions of Class 900 Flanges as per ANSI B 16.5

Nominal Pipe Size Flange Dia Dia of Bolt Circle Dia of Bolt Holes No. of Flange Thk of Flange Dia of Hub Length through Hub Dia of Bore Dia of R/F Depth of Socket
S/O & S/W W/N L/J S/O & S/W L/J
O A D - C E Y Y Y B B R F
15 120.6 82.5 22.2 4 22.2 38.1 31.7 60.3 31.7 22.3 22.8 34.9 9.5
20 130.2 88.9 22.2 4 25.4 44.4 34.9 69.8 35.0 27.7 28.1 42.9 11.1
25 149.2 101.6 25.4 4 28.6 52.4 41.3 73.0 41.1 34.5 35.0 50.8 12.7
32. 158.7 111.1 25.4 4 28.6 63.5 41.3 73.0 41.1 43.2 43.6 63.5 14.2
40 177.8 123.8 28.6 4 31.8 69.8 44.4 82.5 44.4 49.5 50.0 73.0 15.8
50 215.9 165.1 25.4 8 38.1 104.8 57.1 101.6 57.1 62.0 62.4 92.1 17.4
65 244.5 190.5 28.6 8 41.3 123.8 63.5 104.8 63. 74.7 75.4 104.8 19.0
80 241.3 190.5 25.4 8 38.1 127.0 53.9 101.6 53.8 90.7 91.4 127.0 -
100 292.1 234.9 31.7 8 44.4 158.7 69.8 114.3 69.8 116.1 116.8 157.2 -
125 349.2 279.4 35.0 8 50.8 190.5 79.3 127.0 79.2 143.8 141.5 185.7 -
150 381.0 317.5 31.7 12 55.6 234.9 85.8 139.7 85.8 170.7 171.4 215.9 -


Dimensions of Class 1500 Flanges as Per ANSI B 16.5

Nominal Pipe Size Flange Dia Dia of Bolt Circle Dia of Bolt Holes No. of Flange Thk of Flange Dia of Hub Length through Hub Dia of Bore Dia of R/F Depth of Socket
S/O & S/W W/N L/J S/O & S/W L/J
O A D - C E Y Y Y B B R F
15 120.6 82.5 22.2 4 22.2 38.1 31.7 60.3 31.7 22.3 22.8 34.9 9.5
20 130.2 88.9 22.2 4 25.4 44.4 34.9 69.8 34.9 27.7 28.1 42.9 11.1
25 149.2 101.6 25.4 4 28.6 52.4 41.3 73 41.3 34.5 35 50.8 12.7
32 158.7 111.1 25.4 4 28.6 63.5 41.3 73 41.3 43.2 43.6 63.5 14.2
40 177.8 123.8 28.6 4 31.8 69.8 44.4 82.5 44.4 49.5 50 73 15.8
50 215.9 165.1 25.4 8 38.1 104.8 57.1 101.6 57.1 62 62 92.1 17.4
65 244.5 190.5 28.6 8 41.3 123.8 63.5 104.8 63.5 74.7 75.4 104.8 19
80 266.7 203.2 31.7 8 47.6 133.3 73 117.5 73 90.7 91.4 127 -


Dimensions of Class 2500 Flanges As per ANSI B 16.5

Nominal Pipe Size Flange Dia Dia of Bolt Circle Dia of Bolt Holes No. of Flange Thk of Flange Dia of Hub Length through Hub Dia of Bore Dia of R/F Depth of Socket
S/O & S/W W/N L/J S/O & S/W L/J
O A D - C E Y Y Y B B R F
15 133.3 88.9 22.2 4 30.2 42.9 39.7 73.0 39.7 22.3 22.3 34.9 -
20 139.7 95.2 22.2 4 31.7 50.8 42.9 79.4 42.9 27.7 57.7 42.9 -
25 158.7 107.9 25.4 4 34.9 57.1 47.7 88.9 47.7 34.5 34.5 50.8 -
32. 184.1 130.2 28.6 4 38.1 73.0 52.4 95.2 52.4 43.2 43.2 63.5 -
40 203.2 146.0 31.7 4 44.4 79.4 60.3 111.1 60.3 49.5 49.5 73.0 -
50 234.9 171.4 28.6 8 50.8 95.2 69.8 127.0 69.8 62.4 62.0 92.1 -
65 266.7 196.8 31.7 8 57.1 114.3 79.4 142.9 79.4 74.7 74.7 104.8 -
80 304.8 228.6 34.9 8 66.7 133.3 92.1 168.3 92.1 90.7 90.7 127.0 -