ASME B16.5 Plate Flange Dimensions

ASME B16.5 Plate Flange Dimensions

 

ASME B16.5 – one of ASME’s more popular standards — covers pipe flanges and flanged fittings for flanges with rating class designations 150, 300, 400, 600, 900, and 1500 in sizes NPS 1/2 through NPS 24; plus flanges with rating class designation 2500 in sizes NPS 1/2 through NPS 12.

 

ASME B16.5 Plate Flange Class 150 LBS Dimensions
NPS D b g m J k Holes l Kg.
1/2″ 88.9 11.1 34.9 30.2 22.3 60.3 4 15.9 0.4
3/4″ 98.4 12.7 42.9 38.1 27.7 69.8 4 15.9 0.7
1″ 107.9 14.3 50.8 49.2 34.5 79.4 4 15.9 0.8
1 1/4″ 117.5 15.9 63.5 58.8 43.2 88.9 4 15.9 1.1
1 1/2″ 127 17.5 73 65.1 49.5 98.4 4 15.9 1.4
2″ 152.4 19 92.1 77.8 62 120.6 4 19 2.2
2 1/2″ 177.8 22.2 104.8 90.5 74.7 139.7 4 19 3.6
3″ 190.5 23.8 127 107.9 90.7 152.4 4 19 4.1
3 1/2″ 215.9 23.8 139.7 122.2 103.4 177.8 8 19 5.2
4″ 228.6 23.8 157.2 134.9 116.1 190.5 8 19 5.6
5″ 254 23.8 185.7 163.6 143.8 215.9 8 22.2 6.3
6″ 279.4 25.4 215.9 192.1 170.7 241.3 8 22.2 7.5
8″ 342.9 28.6 269.9 246.1 221.5 298.4 8 22.2 12.6
10″ 406.4 30.2 323.8 304.8 276.3 361.9 12 25.4 18.5
12″ 482.6 31.7 381 365.1 327.1 431.8 12 25.5 28
14″ 533.4 34.9 412.7 400 359.1 476.2 12 28.6 36
16″ 596.9 36.5 469.9 457.2 410.5 539.7 16 28.6 46
18″ 635 39.7 533.4 504.8 461.8 577.8 16 31.7 50
20″ 698.5 42.9 584.2 558.8 513.1 635 20 31.7 64
22″ 749.3 46 641.2 609.6 564.4 692.1 20 34.9 72
24″ 812.8 47.6 692.1 663.6 615.9 749.3 20 34.9 89

 

ASME B16.5 Plate Flange Class 300 LBS Dimensions
NPS D b g m J k Holes l Kg.
1/2″ 95.6 14.3 34.9 38.1 22.3 66.7 4 15.9 0.7
3/4″ 117.5 15.9 42.9 47.6 27.7 82.5 4 19 1.1
1″ 123.8 17.5 50.8 54 34.5 88.9 4 19 1.4
1 1/4″ 133.3 19 63.5 63.5 43.2 98.4 4 19 1.8
1 1/2″ 155.6 20.6 73 69.8 49.5 114.3 4 22.2 2.6
2″ 165.1 22.2 92.1 84.1 62 127 8 19 3.4
2 1/2″ 190.5 25.4 104.8 100 74.7 149.2 8 22.2 4.4
3″ 209.5 28.6 127 117.5 90.7 168.3 8 22.2 6.1
3 1/2″ 228.6 30.2 139.7 133.3 103.4 184.1 8 22.2 7.5
4″ 254 31.7 157.2 146 116.1 200 8 22.2 10.1
5″ 279.4 34.9 185.7 177.8 143.8 234.9 8 22.2 12.5
6″ 317.5 36.5 215.9 206.4 170.7 269.9 12 22.2 14.1
8″ 381 41.3 269.9 260.3 221.5 330.2 12 25.4 24.8
10″ 444.5 47.6 323.8 320.7 276.3 387.3 16 28.6 37.1
12″ 520.7 50.8 381 374.6 327.1 450.8 16 31.7 50
14″ 584.2 54 412.7 425.4 359.1 514.3 20 31.7 70
16″ 647.7 57.1 469.9 482.6 410.5 571.5 20 34.9 90
18″ 711.2 60.3 533.4 533.4 461.8 628.6 24 34.9 112
20″ 774.7 63.5 584.2 584.2 513.1 685.8 24 34.9 133
22″ 838.2 66.7 641.2 641.2 564.4 742.9 24 41.3 197
24″ 914.4 69.8 692.1 701.7 615.9 812.8 24 41.3 208

 

ASME B16.5 Plate Flange Class 600 LBS Dimensions
NPS D b g m J k Holes l Kg.
1/2″ 95.2 14.3 34.9 38.1 22.3 66.7 4 15.9 0.8
3/4″ 117.5 15.9 42.9 47.6 27.7 82.5 4 19 1.4
1″ 123.8 17.5 50.8 54 34.5 88.9 4 19 1.6
1 1/4″ 133.3 20.6 63.5 63.5 43.2 98.4 4 19 2.1
1 1/2″ 155.6 22.2 73 69.8 49.5 114.3 4 22.2 3.1
2″ 165.1 25.4 92.1 84.1 62 127 8 19 3.7
2 1/2″ 190.5 28.6 104.8 100 74.7 149.2 8 22.2 5.4
3″ 209.5 31.7 127 117.5 90.7 168.3 8 22.2 7.3
3 1/2″ 228.6 34.9 139.7 133.3 103.4 184.1 8 25.4 8.9
4″ 273 38.1 157.2 152.4 116.1 215.9 8 25.4 11.8
5″ 330.2 44.4 185.7 188.9 143.8 266.7 8 28.6 24.5
6″ 355.6 47.6 215.9 222.2 170.7 292.1 12 28.6 29.5
8″ 419.1 55.6 269.9 273 221.5 349.2 12 31.7 43
10″ 508 63.5 323.8 342.8 276.3 431.8 16 34.9 70
12″ 558.8 66.7 381 400 327.1 488.9 20 34.9 86
14″ 603.2 69.8 412.7 431.8 359.1 527 20 38.1 100
16″ 685.8 76.2 469.9 495.3 410.5 603.2 20 41.3 142
18″ 742.9 82.5 533.4 546.1 461.8 654 20 44.4 175
20″ 812.8 88.9 584.2 609.6 513.1 723.9 24 44.4 232
22″ 869.9 95.2 641.2 666.7 564.4 777.9 24 47.6 292
24″ 939.8 101.6 692.1 717.5 615.9 838.2 24 50.8 330