Water, sewage, air application - tunneling, mining, industrial business, shipbuilding.
Water, sewage, air application - tunneling, mining, industrial business, shipbuilding.

| Nominal size In / DN | O.D. inches mm | P.D. inches mm | Nominal Pressure psi / bar | t inches mm | Steel grade US ** EU | Grooved ends type Groove | Black pipe approx. weight 6 m lbs / Kg * |
|---|---|---|---|---|---|---|---|
| 2" 50 |
2.375 60.3 |
2.375 60.3 |
500 34 |
0.060 1.5 |
Grade B S235 |
C/U standard |
29.8 13.5 |
| 2 1/2" 65 |
3.000 76.1 |
70 | 500 34 |
0.060 1.5 |
Grade B S235 |
C/L standard |
35.1 15.9 |
| 3" 80 |
3.500 88.9 |
80 | 500 34 |
0.060 1.5 |
Grade B S235 |
C/L standard |
40.0 18.1 |
| 4" 100 |
4.500 114.3 |
4.250 108 |
500 34 |
0.060 1.5 |
Grade B S235 |
C/L standard |
54.3 24.6 |
| 4" 100 |
4.500 114.3 |
4.250 108 |
500 34 |
0.080 2 |
Grade B S235 |
C/L standard |
71 32.2 |
| 5" 125 |
5.500 139.7 |
130 | 450 31 |
0.080 2 |
Grade B S235 |
C/L standard |
86.4 39.2 |
| 6" 150 |
6.625 168.3 |
6.250 159 |
300 21 |
0.060 1.5 |
Grade B S235 |
C/L standard |
80.9 36.7 |
| 6" 150 |
6.625 168.3 |
6.250 159 |
360 25 |
0.080 2 |
Grade B S235 |
C/L standard |
106 48.1 |
| 6" 150 |
6.625 168.3 |
6.250 159 |
450 31 |
0.100 2.5 |
Grade B S235 |
C/L standard |
131 59.4 |
| 8" 200 |
8.625 219.1 |
8.000 203 |
450 31 |
0.119 3 |
Grade B S235 |
C/L standard |
204.6 92.8 |
| 8" 200 |
8.625 219.1 |
8.625 219.1 |
450 31 |
0.119 3 |
Grade B S235 |
C/L standard |
217 98.4 |
| 10" 250 |
10.750 273 |
10.750 273 |
300 21 |
0.156 4 |
Grade B S235 |
C/L standard |
360.5 163.5 |
| 10” 250 |
10.750 273 |
10.750 273 |
450 31 |
0.156 4 |
Grade B S235 |
C/L standard |
360.5 163.5 |
| 12" 300 |
12.750 323.9 |
12.750 323.9 |
300 21 |
0.156 4 |
Grade B S235 |
C/L standard |
426.6 193.5 |
| 14" 350 |
14.000 355.6 |
14.000 355.6 |
300 | 0.196 5 |
Grade B S235 |
C/L standard |
581 263.5 |
| 16" 400 |
16.000 406.4 |
16.000 406.4 |
300 21 |
0.196 5 |
Grade B S235 |
C/L standard |
668 303 |
| 18" 450 |
18.000 457.2 |
18.000 457.2 |
300 21 |
0.196 5 |
Grade B S235 |
C/L standard |
756.2 343 |
| 20" 500 |
20.000 508 |
20.000 508 |
300 21 |
0.250 6.3 |
Grade B S235 |
C/L standard |
1069.3 485 |

| Nominal size In / DN | Groove size In / mm | Nominal Pressure psi / bar | Approx. Dimensions | Groove | Approx. Weight lbs / Kg | ||
|---|---|---|---|---|---|---|---|
| A in / mm | B in / mm | C in / mm | |||||
| 2" 50 |
2.375 60.3 |
500 34 |
3.27 83 |
4.92 125 |
1.74 44 |
standard | 1.7 0.8 |
| 2 1/2" 65 |
3.000 76.1 |
500 34 |
3.94 100 |
5.71 145 |
1.78 45 |
standard | 1.9 0.9 |
| 3" 80 |
3.500 88.9 |
500 34 |
4.53 115 |
6.30 160 |
1.78 45 |
standard | 2.9 1.3 |
| 4" 100 |
4.500 114.3 |
500 34 |
5.80 147 |
8.03 204 |
2.13 54 |
standard | 4.1 1.9 |
| 4" 100 |
4.500 114.3 |
500 34 |
5.80 147 |
8.03 204 |
2.13 54 |
standard | 4.1 1.9 |
| 5" 125 |
5.500 139.7 |
450 31 |
6.80 173 |
9.59 244 |
2.13 54 |
standard | 6.3 2.9 |
| 6" 150 |
6.625 168.3 |
450 31 |
8.00 203 |
11.07 281 |
2.28 58 |
standard | 7 3.2 |
| 6" 150 |
6.625 168.3 |
450 31 |
8.00 203 |
11.07 281 |
2.28 58 |
standard | 7 3.2 |
| 6" 150 |
6.625 168.3 |
450 31 |
8.00 203 |
11.07 281 |
2.28 58 |
standard | 7 3.2 |
| 8" 200 |
8.625 219.1 |
450 31 |
10.34 263 |
13.97 355 |
2.32 59 |
standard | 12.4 5.6 |
| 8" 200 |
8.625 219.1 |
450 31 |
10.34 263 |
13.97 355 |
2.32 59 |
standard | 12.4 5.6 |
| 10" 250 |
10.750 273 |
300 21 |
13.27 337 |
16.00 406 |
2.56 65 |
standard | 24.0 10.9 |
| 10” 250 |
10.750 273 |
800 55 |
13.63 346 |
17.13 435 |
2.63 67 |
HP couplings |
31.1 14.1 |
| 12" 300 |
12.750 323.9 |
300 21 |
14.96 378 |
18.31 465 |
2.56 65 |
standard | 27.8 12.6 |
| 14" 350 |
14.000 355.6 |
300 21 |
15.83 402 |
19.41 493 |
2.83 72 |
standard | 39.2 17.8 |
| 16" 400 |
16.000 406.4 |
300 21 |
18.03 458 |
21.54 547 |
2.85 72 |
standard | 45.0 20.4 |
| 18" 450 |
18.000 457.2 |
300 21 |
19.88 505 |
23.54 598 |
3.07 78 |
standard | 64.4 29.2 |
| 20" 500 |
20.000 508 |
300 21 |
21.65 550 |
25.51 648 |
3.07 78 |
standard | 74,8 34.0 |
STANDARD LOW PRESSURE COUPLINGS
Diam. 1" - 24" PN21 PSI 300
STANDARD MEDIUM PRESSURE COUPLINGS
Diam. 1" - 4" PN34 PSI 500
Diam. 5" - 12" PN31 PSI 450
Diam. 14" - 24" PN21 PSI 300
HIGH PRESSURE COUPLINGS
Diam. 2" - 8" PN80 PSI 1162
Diam. 10" - 12" PN55 PSI 800
From Diam. 14" couplings can be made of 3 or more parts