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Steel Pipe Nipple & Coupling API Coupling
API Coupling
ASTM A865 AMERICAN STANDARD STEEL MERCHANT COUPLING
| SIZE | 1/8 | 1/4 | 3/8 | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 |
| Outside Diam | 0.563 | 0.719 | 0.875 | 1.063 | 1.313 | 1.576 | 1.9 | 2.2 |
| Length | 3/4 | 1 1/8 | 1 1/8 | 1 1/2 | 1 9/16 | 1 15/16 | 2 | 2 |
| Threads | NPT | NPSL | NPSL | NPSL | NPSL | NPSL | NPSL | NPSL |
| SIZE | 2 | 2 1/2 | 3 | 3 1/2 | 4 | 5 | 6 | |
| Outside Diam | 2.75 | 3.25 | 4 | 4.625 | 5 | 6.296 | 7.39 | |
| Length | 2 1/16 | 3 1/16 | 3 3/16 | 3 5/16 | 3 7/16 | 3 11/16 | 3 15/16 | |
| Threads | NPT | NPT | NPT | NPT | NPT | NPT | NPT |
BS EN10241 BRITISH STANDARD STEEL MERCHANT COUPLING
|
SIZE |
8 |
10 |
15 |
20 |
25 |
32 |
40 |
50 |
|
Min. Outside Diam |
18.5 |
22 |
27 |
32.5 |
39.5 |
49 |
56 |
68 |
|
Min. Length |
27 |
28 |
37 |
39 |
46 |
51 |
51 |
60 |
|
Size |
65 |
80 |
100 |
125 |
150 |
|
|
|
|
Min. Outside Diam |
84 |
98 |
124 |
151 |
178 |
|
|
|
|
Min. Length |
69 |
75 |
87 |
96 |
96 |
|
|
DIN 2999 DIN STANDARD STEEL MERCHANT COUPLING
| Size | 6 | 8 | 10 | 15 | 20 | 25 | 32 | |
| Standard | Min. Outside Dia | 15 | 18.5 | 21.3 | 26.6 | 31.8 | 39.5 | 48.3 |
| Length(mm) | 17 | 25 | 26 | 34 | 36 | 43 | 48 | |
| Half | Min. Outside Dia | 15 | 18.5 | 21.3 | 26.6 | 31.8 | 39.5 | 48.3 |
| Length(mm) | 8 | 11 | 12 | 15 | 17 | 20 | 22 | |
| Size | 40 | 50 | 65 | 80 | 100 | 125 | 150 | |
| Standard | Min. Outside Dia | 54.5 | 66.2 | 82 | 95 | 121.4 | 146.3 | 173.3 |
| Length(mm) | 48 | 56 | 65 | 71 | 83 | 92 | 92 | |
| Half | Min. Outside Dia | 54.5 | 68 | 84.2 | 98.4 | 124 | 149 | 177 |
| Length(mm) | 22 | 26 | 30 | 34 | 40 | 44 | 44 | |
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