Steel Butt-welding Pipe Fittings (DIN)
Tees and Concentric & Eccentric Reducers
DIN 2615  DIN2616 Unit: mm
Nominal Outside Nominal Outside Tees Reducers
Size Diameter Size Diameter
DN1  d1 DN2  d2 a b l1
15 21.3 15 21.3 25 25 38
20 26.9 20 26.9 29 29 38
20 26.9 15 21.3 29 29 38
25 33.7 25 33.7 38 38 50
25 33.7 20 26.9 38 38 50
25 33.7 15 21.3 38 38 50
32 42.4 32 42.4 48 48 50
32 42.4 25 33.7 48 48 50
32 42.4 20 26.9 48 48 50
32 42.4 15 21.3 48 48 50
40 48.3 40 48.3 57 57 64
40 48.3 32 42.4 57 57 64
40 48.3 25 33.7 57 57 64
40 48.3 20 26.9 57 57 64
50 60.3 50 60.3 64 64 76
50 60.3 40 48.3 64 60 76
50 60.3 32 42.4 64 57 76
50 60.3 25 33.7 64 51 76
50 60.3 20 26.9 64 44 76
65 76.1 65 76.1 76 76 90
65 76.1 50 60.3 76 70 90
65 76.1 40 48.3 76 67 90
65 76.1 32 42.4 76 64 90
65 76.1 25 33.7 76 57 90
80 88.9 80 88.9 86 86 90
80 88.9 65 76.1 86 83 90
80 88.9 50 60.3 86 76 90
80 88.9 40 48.3 86 73 90
80 88.9 32 42.4 86 70 90
100 114.3 100 114.3 105 105 100
100 114.3 80 88.9 105 98 100
100 114.3 65 76.1 105 95 100
100 114.3 50 60.3 105 89 100
100 114.3 40 48.3 105 86 100
125 139.7 125 139.7 124 124 127
125 139.7 100 114.3 124 117 127
125 139.7 80 88.9 124 111 127
125 139.7 65 76.1 124 108 127
125 139.7 50 60.3 124 105 127
150 168.3 150 168.3 143 143 140
150 168.3 125 139.7 143 137 140
150 168.3 100 114.3 143 130 140
150 168.3 80 88.9 143 124 140
150 168.3 65 76.1 143 121 140
200 219.1 200 219.1 178 178 152
200 219.1 150 168.3 178 168 152
200 219.1 125 139.7 178 162 152
200 219.1 100 114.3 178 156 152
200 219.1 80 88.9 178 152 152
250 273 250 273 216 216 178
250 273 200 219.1 216 203 178
250 273 150 168.3 216 194 178
250 273 125 139.7 216 191 178
250 273 100 114.3 216 184 178
300 323.9 300 323.9 254 254 203
300 323.9 250 273 254 241 203
300 323.9 200 219.1 254 229 203
300 323.9 150 168.3 254 219 203
300 323.9 125 139.7 254 216 203
350 355.6 350 355.6 279 279 330
350 355.6 300 323.9 279 270 330
350 355.6 250 273 279 257 330
350 355.6 200 219.1 279 248 330
350 355.6 150 168.3 279 238 330
400 406.4 400 406.4 305 305 355
400 406.4 350 355.6 305 305 355
400 406.4 300 323.9 305 295 355
400 406.4 250 273 305 283 355
400 406.4 200 219.1 305 273 355
400 406.4 150 168.3 305 264 355
450 457 450 457 343 343 381
450 457 400 406.4 343 330 381
450 457 350 355.6 343 330 381
450 457 300 323.9 343 321 381
450 457 250 273 343 308 381
450 457 200 219.1 343 298 381
500 508 500 508 381 381 508
500 508 450 457 381 368 508
500 508 400 406.4 381 356 508
500 508 350 355.6 381 356 508
500 508 300 323.9 381 346 508
500 508 250 273 381 333 508
500 508 200 219.1 381 324 508
600 610 600 610 432 432 508
600 610 500 508 432 432 508
600 610 450 457 432 419 508
600 610 400 406.4 432 406 508
600 610 350 355.6 432 406 508
600 610 300 323.9 432 397 508
600 610 250 273 432 384 508
700 711 700 711 521 521 610
700 711 600 610 521 508 610
700 711 500 508 521 483 610
700 711 450 457 521 470 610
700 711 400 406.4 521 457 610
700 711 350 355.6 521 457 610
700 711 300 323.9 521 448 610
800 813 800 813 597 597 610
800 813 700 711 597 572 610
800 813 600 610 597 559 610
800 813 500 508 597 533 610
800 813 450 457 597 521 610
800 813 400 406.4 597 508 610
800 813 350 355.6 597 508 610
900 914 900 914 673 673 610
900 914 800 813 673 648 610
900 914 700 711 673 622 610
900 914 600 610 673 610 610
900 914 500 508 673 584 610
900 914 450 457 673 572 610
900 914 400 406.4 673 559 610
1000 1016 1000 1016 749 749 610
1000 1016 900 914 749 737 610
1000 1016 800 813 749 711 610
1000 1016 700 711 749 673 610
1000 1016 600 610 749 660 610
1000 1016 500 508 749 635 610
1000 1016 450 457 749 622 610
1200 1220 1200 1220 889 838 711
1200 1220 1000 1016 889 813 711
1200 1220 900 914 889 787 711
1200 1220 800 813 889 787 711
1200 1220 700 711 889 762 711
1200 1220 600 610 889 737 711