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ASME B16.9 Stub Ends


A stub end always will be used with a Lap Joint flange,as a backing flange; both are shown on the image below.This flange connections are applied,in low-pressure and non critical applications,and is a cheap method of flanging.In a stainless steel pipe system,for example,a carbon steel flange can be applied,because they are not come in contact with the product in the pipe.

Sch NPS OD T G F R kg
Sch.Std 1/2″ 21.3 2.77 34.9 76.2 3.18 0.16
Sch.Std 3/4″ 26.7 2.87 42.9 76.2 3.18 0.23
Sch.Std 1″ 33.4 3.38 50.8 101.6 3.18 0.29
Sch.Std 1 1/4″ 42.2 3.56 63.5 101.6 4.76 0.45
Sch.Std 1 1/2″ 48.3 3.68 73 101.6 6.35 0.54
Sch.Std 2″ 60.3 3.91 92.1 152.4 7.94 1
Sch.Std 2 1/2″ 73 5.16 104.8 152.4 7.94 1.5
Sch.Std 3″ 88.9 5.49 127 152.4 9.53 2.1
Sch.Std 3 1/2″ 101.6 5.74 139.7 152.4 9.53 2.5
Sch.Std 4″ 114.3 6.02 157.2 152.4 11.11 3
Sch.Std 5″ 141.3 6.55 185.7 203.2 11.11 5.4
Sch.Std 6″ 168.3 7.11 215.9 203.2 12.7 7.3
Sch.Std 8″ 219.1 8.18 269.9 203.2 12.7 11.6
Sch.Std 10″ 273.1 9.27 323.9 254 12.7 18
Sch.Std 12″ 323.9 9.53 381 254 12.7 21
Sch.Std 14″ 355.6 9.53 412.8 304.8 12.7 28
Sch.Std 16″ 406.4 9.53 469.9 304.8 12.7 34
Sch.Std 18″ 457.2 9.53 533.4 304.8 12.7 39
Sch.Std 20″ 508 9.53 584.2 304.8 12.7 44
Sch.Std 24″ 609.6 9.53 692.2 304.8 12.7 57
Sch.Xs 1/2″ 21.3 3.73 34.9 76.2 3.18 0.2
Sch.Xs 3/4″ 26.7 3.91 42.9 76.2 3.18 0.3
Sch.Xs 1″ 33.4 4.55 50.8 101.6 3.18 0.4
Sch.Xs 1 1/4″ 42.2 4.85 63.5 101.6 4.76 0.6
Sch.Xs 1 1/2″ 48.3 5.08 73 101.6 6.35 0.7
Sch.Xs 2″ 60.3 5.54 92.1 152.4 7.94 1.4
Sch.Xs 2 1/2″ 73 7.01 104.8 152.4 7.94 2
Sch.Xs 3″ 88.9 7.62 127 152.4 9.53 2.9
Sch.Xs 3 1/2″ 101.6 8.08 139.7 152.4 9.53 3.4
Sch.Xs 4″ 114.3 8.56 157.2 152.4 11.11 4.1
Sch.Xs 5″ 141.3 9.53 185.7 203.2 11.11 7.5
Sch.Xs 6″ 168.3 10.97 215.9 203.2 12.7 10
Sch.Xs 8″ 219.1 12.7 269.9 203.2 12.7 16
Sch.Xs 10″ 273.1 12.7 323.9 254 12.7 24
Sch.Xs 12″ 323.9 12.7 381 254 12.7 29
Sch.Xs 14″ 355.6 12.7 412.8 304.8 12.7 38
Sch.Xs 16″ 406.4 12.7 469.9 304.8 12.7 43
Sch.Xs 18″ 457.2 12.7 533.4 304.8 12.7 49
Sch.Xs 20″ 508 12.7 584.2 304.8 12.7 63
Sch.Xs 24″ 609.6 12.7 692.2 304.8 12.7 76

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Related Tags: ASME B16.9 (13)  Butt Weld Pipe Fittings (46)  stub end (5)  

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