
DIN 86088
Material
OSNA®-10 – copper-nickel-iron
Type and Construction
Tees for pipes up to and including 219 mm are normally supplied as one-piece and seamless.
Equal Tee Pieces
Size | Wall Thickness | Theoretical Weight | ||||
DN | OD | S | a | b |
| |
inch | mm | mm | mm | mm | mm | kg per piece |
½ | 16 | 20 | 1 | 25 | 25 | 0.11 |
¾ | 20 | 25 | 1.5 | 29 | 29 | 0.14 |
1 | 25 | 30 | 1.5 | 38 | 38 | 0.18 |
1¼ | 32 | 38 | 1.5 | 48 | 48 | 0.22 |
1½ | 40 | 44.5 | 1.5 | 57 | 57 | 0.31 |
2 | 50 | 57 | 1.5 | 64 | 64 | 0.45 |
2½ | 65 | 76 | 2 | 76 | 76 | 1.07 |
3 | 80 | 89 | 2 | 86 | 86 | 2.33 |
4 | 100 | 108 | 2.5 | 105 | 105 | 2.85 |
5 | 125 | 133 | 2.5 | 124 | 124 | 3.41 |
6 | 150 | 159 | 2.5 | 143 | 143 | 4.71 |
8 | 200 | 219 | 3 | 178 | 178 | 7.25 |
10 | 250 | 267 | 3 | 324 | 289 | 19.20 |
12 | 300 | 324 | 4 | 380 | 347 | 30.48 |
14 | 350 | 368 | 4 | 407 | 384 | 38.50 |
16 | 400 | 419 | 4 | 440 | 435 | 49.10 |
18 | 450 | 457 | 4.5 | 500 | 479 | 56.80 |
20 | 500 | 508 | 5 | 540 | 529 | 77.31 |
Other dimensions on request.

Reducing Tee Pieces
Size | Wall Thickness |
|
| Theoretical Weight | ||
DN | OD1 OD2 | S1 S2 | a | b |
| |
inch | mm | mm | mm | mm | mm | kg per piece |
¾ x ½ | 20 x 16 | 25 x 20 | 25 x 20 | 29 | 26 | 0.05 |
1 x ½ | 25 x 16 | 30 x 20 | 30 x 20 | 38 | 29 | 0.07 |
1 x ¾ | 25 x 20 | 30 x 25 | 30 x 25 | 38 | 35 | 0.07 |
1¼ x ½ | 32 x 16 | 38 x 20 | 38 x 20 | 48 | 33 | 0.12 |
1¼ x ¾ | 32 x 20 | 38 x 25 | 38 x 25 | 48 | 35 | 0.125 |
1¼ x 1 | 32 x 25 | 38 x 30 | 38 x 30 | 48 | 42 | 0.125 |
1½ x ½ | 40 x 16 | 44.5 x 20 | 44.5 x 20 | 57 | 36 | 0.185 |
1½ x ¾ | 40 x 20 | 44.5 x 25 | 44.5 x 25 | 57 | 40 | 0.185 |
1½ x 1 | 40 x 25 | 44.5 x 30 | 44.5 x 30 | 57 | 45 | 0.185 |
1½ x 1¼ | 40 x 32 | 44.5 x 38 | 44.5 x 38 | 57 | 51 | 0.185 |
2 x ¾ | 50 x 20 | 57 x 25 | 57 x 25 | 64 | 47 | 0.280 |
2 x 1 | 50 x 25 | 57 x 30 | 57 x 30 | 64 | 51 | 0.285 |
2 x 1¼ | 50 x 32 | 57 x 38 | 57 x 38 | 64 | 57 | 0.285 |
2 x 1½ | 50 x 40 | 57 x 44.5 | 57 x 44.5 | 64 | 63 | 0.290 |
2½ x 1 | 65 x 25 | 76 x 30 | 76 x 30 | 76 | 56 | 0.650 |
2½ x 1¼ | 65 x 32 | 76 x 38 | 76 x 38 | 76 | 62 | 0.650 |
2½ x 1½ | 65 x 40 | 76 x 44.5 | 76 x 44.5 | 76 | 71 | 0.650 |
2½ x 2 | 65 x 50 | 76 x 57 | 76 x 57 | 76 | 73 | 0.650 |
3 x 1¼ | 80 x 32 | 89 x 38 | 89 x 38 | 86 | 73 | 0.820 |
3 x 1½ | 80 x 40 | 89 x 44.5 | 89 x 44.5 | 86 | 76 | 0.900 |
3 x 2 | 80 x 50 | 89 x 57 | 89 x 57 | 86 | 80 | 1.10 |
3 x 2½ | 80 x 65 | 89 x 76 | 89 x 76 | 86 | 83 | 1.25 |
4 x 1½ | 100 x 40 | 108 x 44.5 | 108 x 44.5 | 105 | 89 | 2.30 |
4 x 2 | 100 x 50 | 108 x 57 | 108 x 57 | 105 | 90 | 2.45 |
4 x 2½ | 100 x 65 | 108 x 76 | 108 x 76 | 105 | 92 | 2.50 |
4 x 3 | 100 x 80 | 108 x 89 | 108 x 89 | 105 | 96 | 2.60 |
5 x 2 | 125 x 50 | 133 x 57 | 133 x 57 | 124 | 98 | 3.20 |
5 x 2½ | 125 x 65 | 133 x 76 | 133 x 76 | 124 | 105 | 3.30 |
5 x 3 | 125 x 80 | 133 x 89 | 133 x 89 | 124 | 108 | 3.40 |
5 x 4 | 125 x 100 | 133 x 108 | 133 x 108 | 124 | 117 | 3.51 |
6 x 2½ | 150 x 65 | 159 x 76 | 159 x 76 | 143 | 118 | 4.05 |
6 x 3 | 150 x 80 | 159 x 89 | 159 x 89 | 143 | 121 | 4.15 |
6 x 4 | 150 x 100 | 159 x 108 | 159 x 108 | 143 | 130 | 4.31 |
6 x 5 | 150 x 125 | 159 x 133 | 159 x 133 | 143 | 136 | 4.51 |
8 x 4 | 200 x 100 | 219 x 108 | 219 x 108 | 178 | 156 | 6.15 |
8 x 5 | 200 x 125 | 219 x 133 | 219 x 133 | 178 | 162 | 6.30 |
8 x 6 | 200 x 150 | 219 x 159 | 219 x 159 | 178 | 168 | 6.50 |
10 x 4 | 250 x 100 | 267 x 108 | 3 x 2.5 | 194 | 209 | 8.58 |
10 x 5 | 250 x 125 | 267 x 133 | 3 x 2.5 | 217 | 219 | 9.73 |
10 x 6 | 250 x 150 | 267 x 159 | 3 x 2.5 | 240 | 229 | 10.62 |
10 x 7 | 250 x 175 | 267 x 194 | 3 x 3 | 267 | 243 | 11.82 |
10 x 8 | 250 x 200 | 267 x 219 | 3 x 3 | 290 | 259 | 13.28 |
12 x 5 | 300 x 125 | 324 x 133 | 4 x 2.5 | 217 | 247 | 15.73 |
12 x 6 | 300 x 150 | 324 x 159 | 4 x 2.5 | 240 | 257 | 17.16 |
12 x 7 | 300 x 175 | 324 x 194 | 4 x 3 | 267 | 272 | 18.95 |
12 x 8 | 300 x 200 | 324 x 219 | 4 x 3 | 290 | 287 | 20.74 |
12 x 10 | 300 x 250 | 324 x 267 | 4 x 3 | 324 | 317 | 23.60 |
14 x 6 | 350 x 150 | 368 x 159 | 4 x 2.5 | 240 | 279 | 19.53 |
14 x 7 | 350 x 175 | 368 x 194 | 4 x 3 | 267 | 294 | 21.56 |
14 x 8 | 350 x 200 | 368 x 219 | 4 x 3 | 290 | 309 | 23.60 |
14 x 10 | 350 x 250 | 368 x 267 | 4 x 3 | 324 | 339 | 26.44 |
14 x 12 | 350 x 300 | 368 x 324 | 4 x 4 | 380 | 369 | 30.92 |
16 x 7 | 400 x 175 | 419 x 194 | 4 x 3 | 267 | 319 | 24.58 |
16 x 8 | 400 x 200 | 419 x 219 | 4 x 3 | 290 | 335 | 26.90 |
16 x 10 | 400 x 250 | 419 x 267 | 4 x 3 | 324 | 365 | 30.15 |
16 x 12 | 400 x 300 | 419 x 324 | 4 x 4 | 380 | 395 | 35.25 |
16 x 14 | 400 x 350 | 419 x 368 | 4 x 4 | 407 | 410 | 37.76 |
18 x 8 | 450 x 200 | 457 x 219 | 4.5 x 3 | 290 | 354 | 33.00 |
18 x 10 | 450 x 250 | 457 x 267 | 4.5 x 3 | 324 | 383 | 36.98 |
18 x 12 | 450 x 300 | 457 x 324 | 4.5 x 4 | 380 | 413 | 43.16 |
18 x 14 | 450 x 350 | 457 x 368 | 4.5 x 4 | 407 | 428 | 46.31 |
18 x 16 | 450 x 400 | 457 x 419 | 4.5 x 4 | 440 | 453 | 50.01 |
20 x 8 | 500 x 200 | 508 x 219 | 5 x 3 | 290 | 379 | 40.76 |
20 x 10 | 500 x 250 | 508 x 267 | 5 x 3 | 324 | 409 | 45.68 |
20 x 12 | 500 x 300 | 508 x 324 | 5 x 4 | 380 | 439 | 53.49 |
20 x 14 | 500 x 350 | 508 x 368 | 5 x 4 | 407 | 454 | 57.20 |
20 x 16 | 500 x 400 | 508 x 419 | 5 x 4 | 440 | 479 | 61.84 |
20 x 18 | 500 x 450 | 508 x 457 | 5 x 4.5 | 500 | 504 | 70.28 |
Other dimensions on request.