» Flange & Fitting » ASME B16.9 Caps

ASME B16.9 Caps

August 27, 2020

Technical Drawings

Standard drawing of ASME B16.9 Caps.

The cap is used to seal an open end of the pipe. In piping engineering, the cap made in accordance with ASME B16.9 will be welded to the end and need not be included in the length dimension of the run of pipe.

Dimensions

NPSO.D
mm
inch
E [NOTE(1)]
mm
inch
E
mm
inch
E1 [NOTE(2)]
mm
inch
1/221.3
0.84
25
1.00
4.57
0.18
25
1.00
3/426.7
1.05
25
1.00
3.81
0.15
25
1.00
133.4
1.32
38
1.50
4.57
0.18
38
1.50
1-1/442.2
1.66
38
1.50
4.83
0.19
38
1.50
1-1/248.3
1.90
38
1.50
5.08
0.20
38
1.50
260.3
2.38
38
1.50
5.59
0.22
44
1.75
2-1/273.0
2.88
38
1.50
7.00
0.28
51
2.00
388.9
3.50
51
2.00
7.62
0.30
64
2.50
3-1/2101.6
4.00
64
2.50
8.13
0.32
76
3.00
4114.3
4.50
64
2.50
8.64
0.34
76
3.00
5141.3
5.56
76
3.00
9.65
0.38
89
3.50
6168.3
6.62
89
3.50
10.92
0.43
102
4.00
8219.1
8.62
102
4.00
12.70
0.50
127
5.00
10273.0
10.75
127
5.00
12.70
0.50
152
6.00
12323.8
12.75
152
6.00
12.70
0.50
178
7.00
14355.6
14.00
165
6.00
12.70
0.50
191
7.50
16406.4
16.00
178
7.00
12.70
0.50
203
8.00
18457.0
18.00
203
8.00
12.70
0.50
229
9.00
20508.0
20.00
229
9.00
12.70
0.50
254
10.00
22559.0
22.00
254
10.00
12.70
0.50
254
10.00
24610.0
24.00
267
10.50
12.70
0.50
305
12.00
26660.0
26.00
267
10.50
28711.0
28.00
267
10.50
30762.0
30.00
267
10.50
32813.0
32.00
267
10.50
34864.0
34.00
267
10.50
36914.0
36.00
267
10.50
38965.0
38.00
305
12.00
401016.0
40.00
305
12.00
421067.0
42.00
305
12.00
441118.0
44.00
343
13.50
461168.0
46.00
343
13.50
481219.0
48.00
343
13.50

*NPS: Nominal Pipe Size; O.D: Outside Diameter at Bevel; E: Length[NOTE(1)]; E1: Limiting Wall Thickness for Length; E: Length[NOTE(2)].

*NOTES:
(1) Length E applies for thickness not exceeding that given in column “Limiting Wall Thickness for Length, E.”
(2) Length E applies for thickness greater than that given in column “Limiting Wall Thickness for Length, E” for NPS 24 and smaller. For NPS 26 and larger, length E shall be by agreement between the manufacturer and purchaser.

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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