ASME B16.9, B16.28 |
|
Pipe Size |
All Fittings |
90 & 45 Elbows and Tees |
Reducers and Lap Joint Stub ends |
Caps |
Outside Diameter at Bevel, D (1) |
Inside
Diameter at End (1) |
Wall Thickness t |
Center-to-End Dimensions A,B,C,M |
Overall
Length, F,H |
Overall Length, E |
IN |
MM |
IN |
MM |
|
IN |
MM |
IN |
MM |
IN |
MM |
½ ~ 2½ |
+0.06 |
+1.6 |
±0.03 |
±0.8 |
Not Less
Than 87.5% of Nominal Thickness |
±0.06 |
±2 |
±0.06 |
±2 |
±0.12 |
±3 |
-0.03 |
-0.8 |
3 ~ 2½ |
±0.06 |
±1.6 |
±0.06 |
±1.6 |
4 |
5 ~ 8 |
+0.09 |
+2.4 |
±0.25 |
±6 |
-0.06 |
-1.6 |
10 ~ 18 |
+0.16 |
+4.0 |
±0.12 |
±3.2 |
±0.09 |
±0.09 |
-0.12 |
-3.2 |
20 ~ 24 |
+0.25 -0.19 |
+6.4 -4.8 |
±0.19 |
±4.8 |
26 ~ 30 |
±0.12 |
±3 |
±0.19 |
±5 |
±0.38 |
±10 |
32 ~ 48 |
±0.19 |
±5 |
|
Pipe Size |
Lap Joint
Stub Ends (2) |
180 Return Bends |
Outside Diameter of Lap, G |
Lap Thickness |
Fillet Radius of Lap, R |
Center-to-Center Dimension, O |
Back-to- Face
Dimension, K |
Alignment
of Ends, U |
IN |
MM |
IN |
MM |
IN |
MM |
IN |
MM |
IN |
MM |
IN |
MM |
½ ~ 2½ |
+0 -0.03 |
+0 -1 |
+0.06 -0 |
+1.6 -0 |
+0 -0.03 |
+0 -1 |
±0.25 |
±6 |
±0.25 |
±6 |
±0.03 |
±1 |
3 ~ 2½ |
4 |
+0 -0.06 |
+0 -2 |
5 ~ 8 |
10 ~ 18 |
+0 -0.06 |
+0 -2 |
+0.12 -0 |
+3.2 -0 |
±0.38 |
±10 |
±0.06 |
±2 |
20 ~ 24 |
|
Pipe Size |
Off Angle, Q |
Off Plane, P |
|
|
IN |
MM |
IN |
MM |
|
|
½ ~ 4 |
± 0.03 |
±
1 |
±
0.06 |
±
2 |
|
|
5 ~ 8 |
± 0.06 |
± 2 |
±
0.12 |
±
4 |
|
NOTES: |
|
10 ~ 12 |
± 0.09 |
±
0.19 |
±
5 |
|
(1) |
Out-of-round is the
sum of absolute |
|
14 ~ 16 |
±
3 |
±
0.25 |
±
6 |
|
|
values of plus and
minus tolerances. |
|
18 ~ 24 |
± 0.12 |
±
4 |
± 0.38 |
± 10 |
|
(2) |
Outside diameter of
barrel see the table |
|
26 ~ 30 |
± 0.19 |
± 5 |
|
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on page 15. |
|
32 ~ 42 |
±
0.50 |
±
13 |
|
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44 ~ 48 |
±
0.75 |
±
19 |
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