Welding Neck Flange 300 dimensions ANSI B16.5
PIPE | FLANGE | HUB | RAISED FACE | DRILLING TEMPLATE | Approx Weight | |||||||
Nominal Size | OD Pipe |
Outside Diameter |
Inside Diameter |
Thickness min |
Length through hub |
Diameter at weld bevel | Diameter of hub | Face diameter |
Number of holes |
Bolt hole diameter |
Diameter of bolt circle | KG |
D | J | B | H | A | M | G | l | k | ||||
1/2″ | 21.3 | 95.2 | 15.7 | 14.2 | 52.3 | 21.3 | 38.1 | 35.1 | 4 | 15.7 | 66.5 | 0.75 |
3/4″ | 26.7 | 117.3 | 20.8 | 15.7 | 57.2 | 26.7 | 47.8 | 42.9 | 4 | 19.1 | 82.6 | 1.26 |
1″ | 33.4 | 124.0 | 26.7 | 17.5 | 62.0 | 33.4 | 53.8 | 50.8 | 4 | 19.1 | 88.9 | 1.52 |
1-1/4″ | 42.2 | 133.4 | 35.1 | 19.1 | 65.0 | 42.2 | 63.5 | 63.5 | 4 | 19.1 | 98.6 | 2.03 |
1-1/2″ | 48.3 | 155.4 | 40.9 | 20.6 | 68.3 | 48.3 | 69.9 | 73.2 | 4 | 22.4 | 114.3 | 2.89 |
2″ | 60.3 | 165.1 | 52.6 | 22.4 | 69.9 | 60.3 | 84.0 | 91.9 | 8 | 19.1 | 127 | 3.40 |
2-1/2″ | 73.0 | 190.5 | 62.7 | 25.4 | 76.2 | 73.0 | 100.1 | 104.6 | 8 | 22.4 | 149.4 | 5.17 |
3″ | 88.9 | 209.6 | 78.0 | 28.4 | 79.2 | 88.9 | 117.3 | 127 | 8 | 22.4 | 168.1 | 6.93 |
3-1/2″ | 101.6 | 228.6 | 90.2 | 30.2 | 81.0 | 101.6 | 133.4 | 139.7 | 8 | 22.4 | 184.2 | 8.67 |
4″ | 114.3 | 254.0 | 102.4 | 31.8 | 85.9 | 114.3 | 146.1 | 157.2 | 8 | 22.4 | 200.2 | 11.2 |
5″ | 141.3 | 279.4 | 128.3 | 35.1 | 98.6 | 141.3 | 177.8 | 185.7 | 8 | 22.4 | 235.0 | 15.1 |
6″ | 168.3 | 317.5 | 154.2 | 36.6 | 98.6 | 168.3 | 206.2 | 215.9 | 12 | 22.4 | 269.7 | 19.1 |
8″ | 219.1 | 381.0 | 202.7 | 41.1 | 111.3 | 219.1 | 260.4 | 269.7 | 12 | 25.4 | 330.2 | 29.9 |
10″ | 273 | 444.5 | 254.5 | 47.8 | 117.3 | 273 | 320.5 | 323.9 | 16 | 28.4 | 387.4 | 42.7 |
12″ | 323.8 | 520.7 | 304.8 | 50.8 | 130.0 | 323.8 | 374.7 | 381.0 | 16 | 31.8 | 450.9 | 61.8 |
14″ | 355.6 | 584.2 | To be specified by purchaser | 53.8 | 142.7 | 355.6 | 425.5 | 412.8 | 20 | 31.8 | 514.4 | 85.8 |
16″ | 406.4 | 647.7 | 57.2 | 146.1 | 406.4 | 482.6 | 469.9 | 20 | 35.1 | 571.5 | 106 | |
18″ | 457.2 | 711.2 | 60.5 | 158.8 | 457.2 | 533.4 | 533.4 | 24 | 35.1 | 628.7 | 131 | |
20″ | 508 | 774.7 | 63.5 | 162.1 | 508 | 587.2 | 584.2 | 24 | 35.1 | 685.8 | 158 | |
24″ | 609.6 | 914.4 | 69.8 | 168.1 | 609.6 | 701.5 | 692.2 | 24 | 41.1 | 812.8 | 230 |