Butt Fusion Tee
Equal Tee Dimension Drawing

Butt Fusion Equal Tee Size and Wall Series
A butt fusion equal tee branches a line without reducing either leg. The body is moulded in one piece, so the three fusion ends are machined in a single setting and the branch stays square to the run. This page covers the range from dn50 to dn630, which is where the equal tee is most often specified on water and gas distribution work.
| Size | SDR11 | SDR17 | Size | SDR11 | SDR17 |
|---|---|---|---|---|---|
| dn50 × 50 × 50 | ✓ | - | dn280 × 280 × 280 | ✓ | ✓ |
| dn63 × 63 × 63 | ✓ | - | dn315 × 315 × 315 | ✓ | ✓ |
| dn75 × 75 × 75 | ✓ | - | dn355 × 355 × 355 | ✓ | ✓ |
| dn90 × 90 × 90 | ✓ | ✓ | dn400 × 400 × 400 | ✓ | ✓ |
| dn110 × 110 × 110 | ✓ | ✓ | dn450 × 450 × 450 | ✓ | ✓ |
| dn125 × 125 × 125 | ✓ | ✓ | dn500 × 500 × 500 | ✓ | ✓ |
| dn140 × 140 × 140 | ✓ | ✓ | dn560 × 560 × 560 | ✓ | ✓ |
| dn160 × 160 × 160 | ✓ | ✓ | dn630 × 630 × 630 | ✓ | ✓ |
| dn180 × 180 × 180 | ✓ | ✓ | dn450 × 450 × 450 (long pattern) | - | ✓ |
| dn200 × 200 × 200 | ✓ | ✓ | dn500 × 500 × 500 (long pattern) | - | ✓ |
| dn225 × 225 × 225 | ✓ | ✓ | dn560 × 560 × 560 (long pattern) | - | ✓ |
| dn250 × 250 × 250 | ✓ | ✓ | dn630 × 630 × 630 (long pattern) | - | ✓ |
Two features of the schedule are worth reading before you order. The dn315 tee is moulded in three wall series - SDR9, SDR11 and SDR17 - because it is a size that turns up in all three duty classes. Every other size carries SDR11 and, from dn90 up, SDR17 as well; the sizes at the bottom of the range are moulded in the heavier series only. A dash means the tee is not moulded in that combination, not that the branch cannot be made - the next size up or a reducing tee will normally do the same job. For a branch that changes diameter, see the butt fusion tee page; the specifications page carries the reducing range as well.
Our Butt Fusion Tee is moulded and tested in our own factory. Qingfa Industry has produced PE100 fittings for 25 years and today runs over 3,000 product varieties. See how our PE fittings are made.
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