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API Tubing Coupling
1) Standard: API 5CT.
2) Material: J55, K55, L80, N80, P110.
3) Type: NUE EUE
4) Inside Phosphate Treatment & Outside coating
API external-upset tubing coupling Dimensions, tolerances and masses
Label 1 |
Sizea |
Outside diameter |
Minimum length
mm |
Diameter of recess
mm |
Width of bearing regular
mm |
Maximum bearing face diameter |
Mass |
Outside diameter
mm |
Regular special bevel
Wb
mm |
Special clearance
Wcc
mm |
Special bevel
mm |
Special clearance
mm |
Regular |
Special clearance |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
1.050 |
26.67 |
42.16 |
|
82.55 |
35.00 |
2.38 |
37.80 |
|
0.38 |
|
1.315 |
33.40 |
48.26 |
|
88.90 |
38.89 |
2.38 |
42.77 |
|
0.57 |
|
1.660 |
42.16 |
55.88 |
|
95.25 |
47.63 |
3.18 |
50.95 |
|
0.68 |
|
1.900 |
48.26 |
63.50 |
|
98.42 |
54.76 |
3.18 |
58.34 |
|
0.84 |
|
2-3/8 |
60.32 |
77.80 |
73.91 |
123.82 |
67.46 |
3.97 |
71.83 |
69.90 |
1.55 |
1.07 |
2-7/8 |
73.02 |
93.17 |
87.88 |
133.35 |
80.16 |
5.56 |
85.88 |
83.24 |
2.40 |
1.55 |
3-1/2 |
88.90 |
114.30 |
106.17 |
146.05 |
96.85 |
6.35 |
104.78 |
100.71 |
4.10 |
2.38 |
4 |
101.60 |
127.00 |
|
152.40 |
109.55 |
6.35 |
117.48 |
|
4.82 |
|
4-1/2 |
114.30 |
141.30 |
|
158.75 |
122.25 |
6.35 |
130.96 |
|
6.05 |
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a The size designation for the coupling is the same as the size designation for the pipe on which the coupling is used;
b. Tolerance on outside diameter W, ± 1 %;
c Tolerance on outside diameter Wc, ± 0,38 mm. |
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