Invent

Welding Neck Flange 2500 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″ 21.3 133.4 To be specified by purchaser 30.2 73.2 21.3 42.9 35.1 4 22.4 88.9 3.12
3/4″ 26.7 139.7 31.8 79.2 26.7 50.8 42.9 4 22.4 95.3 3.70
1″ 33.4 158.8 35.1 88.9 33.4 57.2 50.8 4 25.4 108.0 5.24
1-1/4″ 42.2 184.2 38.1 95.3 42.2 73.2 63.5 4 28.4 130.0 7.74
1-1/2″ 48.3 203.2 44.5 111.3 48.3 79.2 73.2 4 31.8 146.1 10.9
2″ 60.3 235.0 50.8 127.0 60.3 95.3 91.9 8 28.4 171.5 16.2
2-1/2″ 73.0 266.7 57.2 142.7 73.0 114.3 104.6 8 31.8 196.9 23.7
3″ 88.9 304.8 66.5 168.1 88.9 133.4 127 8 35.1 228.6 36.2
4″ 114.3 355.6 76.2 190.5 114.3 165.1 157.2 8 41.1 273.1 55.3
5″ 141.3 419.1 91.9 228.6 141.3 203.2 185.7 8 47.8 323.9 92.5
6″ 168.3 482.6 108.0 273.1 168.3 235.0 215.9 8 53.8 368.3 143
8″ 219.1 552.5 127.0 317.5 219.1 304.8 269.7 12 53.8 438.2 215
10″ 273 673.1 165.1 419.1 273 374.7 323.9 12 66.5 539.8 406
12″ 323.8 762.0 184.2 463.6 323.8 441.5 381.0 12 73.2 619.3 572

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