Adjustable Branch Tee
(BBTA)
| Designations | Tube O.D | d | d1 | Width across flat | t | ℓ | ℓ | Approx. | ||
| D | h | H | L | L1 | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| BBTA-10 | 10 | 8 | 6 | 17 | 19 | 7.0 | 23 | 21 | 34.5 | 35 |
| BBTA-12 | 12 | 10 | 8 | 19 | 22 | 7.0 | 24 | 22 | 35.5 | 37 |
| BBTA-15 | 15 | 12 | 10 | 24 | 27 | 7.5 | 32 | 24 | 44.5 | 43 |
| BBTA-16 | 16 | 13 | 11 | 27 | 30 | 7.5 | 32 | 24 | 44.5 | 43 |
| BBTA-18 | 18 | 14 | 12 | 27 | 32 | 8.0 | 32 | 24 | 44.5 | 43 |
| BBTA-20 | 20 | 17 | 14 | 30 | 36 | 8.0 | 33 | 25 | 45.5 | 45 |
| BBTA-22 | 22 | 18 | 14 | 32 | 36 | 9.0 | 34 | 26 | 46.5 | 46 |
| BBTA-25 | 25 | 20 | 17 | 36 | 41 | 10.0 | 36 | 28 | 49.5 | 49 |