Views: 2 Author: Site Editor Publish Time: 2024-11-29 Origin: Site
ASME B16.5 blind flange dimensions are covered in ASME B16.5 – which covers Pipe Flanges and Flanged Fittings for size NPS 1/2” to 24” .This article introduces the sizes of blind flanges in 150#, 300#, 400#,600#, 900#, 1500#, 2500#.
BL Class 150
Blind Flange Dimensions (ASME B16.5) in Millimeter.
Norminal Pipe Size | A | C | G | H | I | J | Weight | |
mm | mm | mm | mm | Number of | mm | mm | kg/piece | |
1/2 | 21.3 | 88.9 | 11.2 | 35. 10 | 4 | 15.7 | 60.45 | 0.42 |
3/4 | 26.7 | 98.6 | 12.7 | 42.9 | 4 | 15.7 | 69.85 | 0.61 |
1 | 33.4 | 108 | 14.2 | 50.8 | 4 | 15.7 | 79.25 | 0.86 |
11/4 | 42.2 | 117.3 | 15.7 | 63.5 | 4 | 15.7 | 88.9 | 1.17 |
11/2 | 48.3 | 127 | 17.5 | 73. 15 | 4 | 15.7 | 98.6 | 1.53 |
2 | 60.3 | 152.4 | 19. 10 | 91.9 | 4 | 19.1 | 120.7 | 2.42 |
21/2 | 73.0 | 177.8 | 22.4 | 104.6 | 4 | 19.1 | 139.7 | 3.94 |
3 | 88.9 | 190.5 | 23.9 | 127 | 4 | 19.1 | 152.4 | 4.93 |
31/2 | 101.6 | 215.9 | 23.9 | 139.7 | 8 | 19.1 | 177.8 | 6.17 |
4 | 114.3 | 228.6 | 23.9 | 157.2 | 8 | 19.1 | 190.5 | 7.00 |
5 | 141.3 | 254 | 23.9 | 185.7 | 8 | 22.4 | 215.9 | 8.63 |
6 | 168.3 | 279.4 | 25.4 | 215.9 | 8 | 22.4 | 241.3 | 11.3 |
8 | 219.1 | 342.9 | 28.4 | 269.7 | 8 | 22.4 | 298.5 | 19.6 |
10 | 273.0 | 406.4 | 30.2 | 323.9 | 12 | 25.4 | 362 | 28.8 |
12 | 323.8 | 482.6 | 31.75 | 381 | 12 | 25.4 | 431.8 | 43.2 |
14 | 355.6 | 533.4 | 35. 10 | 412.8 | 12 | 28.4 | 476.3 | 58.1 |
16 | 406.4 | 596.9 | 36.6 | 469.9 | 16 | 28.4 | 539.8 | 76.0 |
18 | 457.2 | 635 | 39.6 | 533.4 | 16 | 31.75 | 577.9 | 93.7 |
20 | 508.0 | 698.5 | 42.9 | 584.2 | 20 | 31.75 | 635 | 122 |
24 | 609.6 | 812.8 | 47.8 | 692.2 | 20 | 35.1 | 749.3 | 185 |
BL Class 300
Blind Flange Dimensions (ASME B16.5) in Millimeter.
Nominal | A | C | G | H | I | J | Weight | |
mm | mm | mm | mm | Number of | mm | mm | kg/piece | |
1/2 | 21.3 | 95.2 | 14.2 | 35.1 | 4 | 15.7 | 66.55 | 0.64 |
3/4 | 26.7 | 117.3 | 15.7 | 42.9 | 4 | 19 | 82.5 | 1.11 |
1 | 33.4 | 123.9 | 17.5 | 50.8 | 4 | 19 | 88.9 | 1.39 |
11/4 | 42.2 | 133.3 | 19 | 63.5 | 4 | 19 | 98.5 | 1.79 |
11/2 | 48.3 | 155.4 | 20.6 | 73.15 | 4 | 22.3 | 114.3 | 2.66 |
2 | 60.3 | 165. 1 | 22.3 | 91.9 | 8 | 19. 10 | 127 | 3.18 |
21/2 | 73.0 | 190.5 | 25.4 | 104.6 | 8 | 22.3 | 1.493 | 4.85 |
3 | 88.9 | 209.5 | 28.4 | 127 | 8 | 22.3 | 168.1 | 6.81 |
31/2 | 101.6 | 228.6 | 30.2 | 139.7 | 8 | 22.3 | 184.1 | 8.71 |
4 | 114.3 | 254 | 31.7 | 157.2 | 8 | 22.3 | 200.1 | 11.5 |
5 | 141.3 | 279.4 | 35 | 185.7 | 8 | 22.3 | 234.9 | 15.6 |
6 | 168.3 | 317.5 | 36.5 | 215.9 | 12 | 22.3 | 269.7 | 20.9 |
8 | 219. 1 | 381 | 1.620 | 269.7 | 12 | 25.4 | 330.2 | 34.3 |
10 | 273.0 | 444.5 | 47.7 | 323.9 | 16 | 28.4 | 387.3 | 53.3 |
12 | 323.8 | 520.7 | 50.8 | 381 | 16 | 31.7 | 450.8 | 78.8 |
14 | 355.6 | 584.2 | 53.8 | 412.8 | 20 | 31.7 | 514.3 | 105 |
16 | 406.4 | 647.7 | 57.15 | 469.9 | 20 | 35 | 571.5 | 137 |
18 | 457.2 | 711.2 | 60.45 | 533.4 | 24 | 35 | 628.6 | 175 |
20 | 508.0 | 774.7 | 63.5 | 584.2 | 24 | 35 | 685.8 | 221 |
24 | 609.6 | 914.4 | 69.85 | 692.2 | 24 | 41. 10 | 812.8 | 339 |
Blind Flange Dimensions (ASME B16.5) in Millimeter.
Nominal | A | C | G | H | I | J | Weight | |
Outside | Overall | Flange | Face | Number of | Bolt Hole | Diameter | kg/piece | |
mm | mm | mm | mm | mm | mm | |||
1/2 | 21.3 | 95.2 | 14.2 | 35. 10 | 4 | 15.7 | 66.55 | 0.76 |
3/4 | 26.7 | 117.3 | 15.7 | 42.9 | 4 | 19.1 | 82.6 | 1.28 |
1 | 33.4 | 123.9 | 17.5 | 50.8 | 4 | 19.1 | 88.9 | 1.60 |
11/4 | 42.2 | 133.3 | 20.6 | 63.5 | 4 | 19.1 | 98.6 | 2.23 |
11/2 | 48.3 | 155.4 | 22.3 | 73. 15 | 4 | 22.4 | 114.3 | 3.25 |
2 | 60.3 | 165.1 | 25.4 | 91.9 | 8 | 19.1 | 127 | 4.15 |
21/2 | 73 | 190.5 | 28.4 | 104.6 | 8 | 22.4 | 149.4 | 6.13 |
3 | 88.9 | 209.5 | 31.7 | 127 | 8 | 22.4 | 168.1 | 8.44 |
31/2 | 101.6 | 228.6 | 35 | 139.7 | 8 | 25.4 | 184.2 | 11.0 |
4 | 114.3 | 254 | 35. 10 | 157.2 | 8 | 25.4 | 200.2 | 13.7 |
5 | 141.3 | 279.4 | 38. 10 | 185.7 | 8 | 25.4 | 235 | 18.5 |
6 | 168.3 | 317.5 | 41. 10 | 215.9 | 12 | 25.4 | 269.7 | 25.5 |
8 | 219.1 | 381 | 47.8 | 269.7 | 12 | 28.4 | 330.2 | 42.6 |
10 | 273 | 444.5 | 53.8 | 323.9 | 16 | 31.75 | 387.4 | 64.5 |
12 | 323.8 | 520.7 | 57. 15 | 381 | 16 | 35.1 | 450.9 | 94.30 |
14 | 355.6 | 584.2 | 60.45 | 412.8 | 20 | 35.1 | 514.4 | 124 |
16 | 406.4 | 647.7 | 63.5 | 469.9 | 20 | 38.1 | 571.5 | 162 |
18 | 457.2 | 711.2 | 66.55 | 533.4 | 24 | 38.1 | 628.7 | 205 |
20 | 508 | 774.7 | 69.85 | 584.2 | 24 | 41.1 | 685.8 | 254 |
24 | 609.6 | 914.4 | 76.2 | 692.2 | 24 | 47.8 | 812.8 | 386 |
BL Class 600
Blind Flange Dimensions (ASME B16.5) in Millimeter.
Nominal | A | C | G | H | I | J | Weight | |
Outside | Overall | Flange | Face | Number of | Bolt Hole | Diameter | kg/piece | |
mm | mm | mm | mm | mm | mm | |||
1/2 | 21.3 | 95.2 | 14.2 | 35.1 | 4 | 15.7 | 66.55 | 0.76 |
3/4 | 26.7 | 117.3 | 15.7 | 42.9 | 4 | 19. 10 | 82.6 | 1.28 |
1 | 33.4 | 123.9 | 17.5 | 50.8 | 4 | 19. 10 | 88.9 | 1.60 |
11/4 | 42.2 | 133.3 | 20.6 | 63.5 | 4 | 19. 10 | 98.6 | 2.23 |
11/2 | 48.3 | 155.4 | 22.3 | 73.15 | 4 | 22.4 | 114.3 | 3.25 |
2 | 60.3 | 165. 1 | 25.4 | 91.9 | 8 | 19. 10 | 127 | 4.15 |
21/2 | 73 | 190.5 | 28.4 | 104.6 | 8 | 22.4 | 149.4 | 6.13 |
3 | 88.9 | 209.5 | 31.7 | 127 | 8 | 22.4 | 168.1 | 8.44 |
31/2 | 101.6 | 228.6 | 35 | 139.7 | 8 | 25.4 | 184.2 | 11.0 |
4 | 114.3 | 273. 1 | 38.1 | 157.2 | 8 | 25.4 | 215.9 | 17.3 |
5 | 141.3 | 330.2 | 44.5 | 185.7 | 8 | 28.4 | 266.7 | 29.4 |
6 | 168.3 | 355.6 | 47.8 | 215.9 | 12 | 28.4 | 292.1 | 36.1 |
8 | 219. 1 | 419. 1 | 55.6 | 269.7 | 12 | 31.75 | 349.3 | 58.9 |
10 | 273 | 508 | 63.5 | 323.9 | 16 | 35. 10 | 431.8 | 97.5 |
12 | 323.8 | 558.8 | 66.55 | 381 | 20 | 35. 10 | 489 | 124 |
14 | 355.6 | 603.3 | 69.85 | 412.8 | 20 | 38. 10 | 527.1 | 151 |
16 | 406.4 | 685.8 | 76.2 | 469.9 | 20 | 41. 10 | 603.3 | 214 |
18 | 457.2 | 743 | 82.6 | 533.4 | 20 | 44.5 | 654.1 | 272 |
20 | 508.0 | 812.8 | 88.9 | 584.2 | 24 | 44.5 | 723.9 | 349 |
24 | 609.6 | 939.8 | 101.6 | 692.2 | 24 | 50.8 | 838.2 | 533 |
BL Class 900
Blind Flange Dimensions (ASME B16.5) in Millimeter.
Nominal | A | C | G | H | I | J | Weight | |
Outside | Overall | Flange | Face | Number of | Bolt Hole | Diameter | kg/piece | |
mm | mm | mm | mm | mm | mm | |||
1/2 | 21.3 | 120.6 | 22.3 | 35. 10 | 4 | 22.3 | 82.5 | 1.77 |
3/4 | 26.7 | 130 | 25.4 | 42.9 | 4 | 22.3 | 88.9 | 2.42 |
1 | 33.4 | 149.3 | 28.4 | 50.8 | 4 | 25.4 | 101.6 | 3.57 |
11/4 | 42.2 | 158.7 | 28.4 | 63.5 | 4 | 25.4 | 111.2 | 4.15 |
11/2 | 48.3 | 177.8 | 31.7 | 73. 15 | 4 | 28.4 | 123.9 | 5.75 |
2 | 60.3 | 215.9 | 38. 10 | 91.9 | 8 | 25.4 | 165.1 | 10.1 |
21/2 | 73 | 244.3 | 41. 10 | 104.6 | 8 | 28.4 | 190.5 | 14.0 |
3 | 88.9 | 241.3 | 38. 10 | 127 | 8 | 25.4 | 190.5 | 13.1 |
4 | 114.3 | 292.1 | 44.5 | 157.2 | 8 | 31.7 | 234.9 | 26.9 |
5 | 141.3 | 349.2 | 50.8 | 185.7 | 8 | 35 | 279.4 | 36.5 |
6 | 168.3 | 381 | 55.6 | 215.9 | 12 | 31.7 | 317 | 47.40 |
8 | 219.1 | 469.9 | 63.5 | 269.7 | 12 | 38.1 | 393.7 | 82.5 |
10 | 273 | 546.1 | 69.85 | 323.9 | 16 | 38.1 | 469.9 | 122 |
12 | 323.8 | 609.6 | 79.25 | 381 | 20 | 38.1 | 533.4 | 173 |
14 | 355.6 | 641.3 | 85.8 | 412.8 | 20 | 41.1 | 558.8 | 206 |
16 | 406.4 | 704.8 | 88.9 | 469.9 | 20 | 44.4 | 615.9 | 259 |
18 | 457.2 | 787.4 | 101.6 | 533.4 | 20 | 50.8 | 685.8 | 367 |
20 | 508 | 857.2 | 107.9 | 584.2 | 20 | 53.8 | 749.3 | 463 |
24 | 609.6 | 1041.4 | 139.7 | 692.2 | 20 | 66.55 | 901.7 | 876 |
BL Class 1500
Blind Flange Dimensions (ASME B16.5) in Millimeter.
Nominal | A | C | G | H | I | J | Weight | |
Outside | Overall | Flange | Face | Number of | Bolt Hole | Diameter | kg/piece | |
mm | mm | mm | mm | mm | mm | |||
1/2 | 21.3 | 120.6 | 22.3 | 35.1 | 4 | 22.3 | 82.5 | 1.77 |
3/4 | 26.7 | 130 | 25.4 | 42.9 | 4 | 22.3 | 88.9 | 2.42 |
1 | 33.4 | 149.3 | 28.4 | 50.8 | 4 | 25.4 | 101.6 | 3.57 |
11/4 | 42.2 | 158.7 | 28.4 | 63.5 | 4 | 25.4 | 111.2 | 4.15 |
11/2 | 48.3 | 177.8 | 31.7 | 73.15 | 4 | 28.4 | 123.9 | 5.75 |
2 | 60.3 | 215.9 | 38.1 | 91.9 | 8 | 25.4 | 165.1 | 10.1 |
21/2 | 73 | 244.3 | 41.1 | 104.6 | 8 | 28.4 | 190.5 | 14.0 |
3 | 88.9 | 266.7 | 47.7 | 127 | 8 | 31.7 | 203.2 | 19.1 |
4 | 114.3 | 311.1 | 53.8 | 157.2 | 8 | 35 | 241.3 | 29.9 |
5 | 141.3 | 374.6 | 73.15 | 185.7 | 8 | 41.1 | 292.1 | 58.4 |
6 | 168.3 | 393.7 | 82.5 | 215.9 | 12 | 38.1 | 317.5 | 71.8 |
8 | 219. 1 | 482.6 | 91.9 | 269.7 | 12 | 44.4 | 393.7 | 122 |
10 | 273 | 584.2 | 107.9 | 323.9 | 12 | 50.8 | 482.6 | 210 |
12 | 323.8 | 673. 1 | 123.9 | 381 | 16 | 53.8 | 571.5 | 316 |
14 | 355.6 | 749.3 | 133.3 | 412.8 | 16 | 60.45 | 635 | 420 |
16 | 406.4 | 825.5 | 146 | 469.9 | 16 | 66.55 | 704.8 | 558 |
18 | 457.2 | 914.4 | 162 | 533.4 | 16 | 73. 15 | 774.7 | 760 |
20 | 508 | 984.2 | 177.8 | 584.2 | 16 | 79.25 | 831.8 | 965 |
24 | 609.6 | 1168.4 | 203.2 | 692.2 | 16 | 91.9 | 990.6 | 1558 |
BL Class 2500
Blind Flange Dimensions (ASME B16.5) in Millimeter.
Nominal | A | C | G | H | I | J | Weight | |
Outside | Overall | Flange | Face | Number of | Bolt Hole | Diameter | kg/piece | |
mm | mm | mm | mm | mm | mm | |||
1/2 | 21.3 | 133.4 | 30.2 | 35. 10 | 4 | 22.4 | 88.9 | 2.99 |
3/4 | 26.7 | 139.7 | 31.7 | 42.9 | 4 | 22.4 | 95.3 | 3.50 |
1 | 33.4 | 158.8 | 35. 10 | 50.8 | 4 | 25.4 | 108 | 4.96 |
11/4 | 42.2 | 184.2 | 38. 10 | 63.5 | 4 | 28.4 | 130 | 7.35 |
11/2 | 48.3 | 203.2 | 44.5 | 73. 15 | 4 | 31.75 | 146.1 | 10.4 |
2 | 60.3 | 235 | 50.8 | 91.9 | 8 | 28.4 | 171.5 | 15.6 |
21/2 | 73 | 266.7 | 57. 15 | 104.6 | 8 | 31.75 | 196.9 | 22.6 |
3 | 88.9 | 304.8 | 66.55 | 127 | 8 | 35.1 | 228.6 | 34.8 |
4 | 114.3 | 355.6 | 76.2 | 157.2 | 8 | 41.1 | 273.1 | 53.9 |
5 | 141.3 | 419.1 | 91.9 | 185.7 | 8 | 47.88 | 323.9 | 90.8 |
6 | 168.3 | 482.6 | 108 | 215.9 | 8 | 53.8 | 368.3 | 141 |
8 | 219.1 | 552.5 | 127 | 269.7 | 12 | 53.8 | 438.2 | 214 |
10 | 273 | 673.1 | 165.1 | 323.9 | 12 | 66.55 | 539.8 | 411 |
12 | 323.8 | 762 | 184.2 | 381 | 12 | 73.15 | 619.3 | 592 |
