» Flange & Fitting » ASME B16.9 Straight Tee & Cross

ASME B16.9 Straight Tee & Cross

August 25, 2020

Technical Drawings

Drawing of 3D radius elbow

Standard drawing of ASME B16.9 Straight Tee & Cross.

The ASME B16.9 straight tee is a three-way fitting used to make perpendicular connections to a pipe. Its name comes from its resemblance to the letter T. The ASME B16.9 straight cross is a four-way fitting used to make double perpendicular connections to the pipe. It resembles a crossroad. Lines that connect to the main run of pipe are knownn as “branches”. The main run of pipe is often called the “header”. The word “straight” denotes that all three(for tee) or four(for cross) outlets are the same pipe size.

Dimensions

NPSO.D
mm
inch
C
mm
inch
M
mm
inch
1/221.3
0.84
25
1.00
25
1.00
3/426.7
1.05
29
1.12
29
1.12
133.4
1.32
38
1.50
38
1.50
1-1/442.2
1.66
48
1.88
48
1.88
1-1/248.3
1.90
57
2.25
57
2.25
260.3
2.38
64
2.50
64
2.50
2-1/273.0
2.88
76
3.00
76
3.00
388.9
3.50
86
3.38
86
3.38
3-1/2101.6
4.00
95
3.75
95
3.75
4114.3
4.50
105
4.12
105
4.12
5141.3
5.56
124
4.88
124
4.88
6168.3
6.62
143
5.62
143
5.62
8219.1
8.62
178
7.00
178
7.00
10273.0
10.75
216
8.50
216
8.50
12323.8
12.75
254
10.00
254
10.00
14355.6
14.00
279
11.00
279
11.00
16406.4
16.00
305
12.00
305
12.00
18457.0
18.00
343
13.50
343
13.50
20508.0
20.00
381
15.00
381
15.00
22559.0
22.00
419
16.50
419
16.50
24610.0
24.00
432
17.00
432
17.00
26660.0
26.00
495
19.50
495
19.50
28711.0
28.00
521
20.50
521
20.50
30762.0
30.00
559
22.00
559
22.00
32813.0
32.00
597
23.50
597
23.50
34864.0
34.00
635
25.00
635
25.00
36914.0
36.00
673
26.50
673
26.50
38965.0
38.00
711
28.00
711
28.00
401016.0
40.00
749
29.50
749
29.50
421067.0
42.00
762
30.00
711
28.00
441118.0
44.00
813
32.00
762
30.00
461168.0
46.00
851
33.50
800
31.50
481219.0
48.00
889
35.00
838
33.00

*NPS: Nominal Pipe Size; O.D: Outside Diameter at Bevel; C: Center-to-End, Run; M: Center-to-End, Outlet.

ASME B16.9 Butt Welding Fittings
Elbow L/RReducing ElbowReturn L/R
Elbow S/RReturn S/R3D Elbow
Tee & CrossReducing TeeReducing Cross
Stub EndCapReducer
End BevelToleranceWall Thickness

*Click to view dimensions of other ASME B16.9 standard fittings.

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