Bulkhead Elbow (BBL)
| Designations | Tube O.D | d | Width across flat | t | ℓ1 | ℓ | Approx. | Panel Hole | |||||
| D | h | H1 | H | L1 | L2 | L | Drill Size | Max. Thickness | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BBL-06 | 6 | 4 | 17 | 17 | 14 | 7.0 | 23 | 45 | 42.5 | 33.5 | 55.5 | 12.5 | 13 |
| BBL-08 | 8 | 6 | 19 | 19 | 17 | 7.0 | 24 | 46 | 42.5 | 34.5 | 56.5 | 14.5 | 13 |
| BBL-10 | 10 | 8 | 22 | 22 | 19 | 7.0 | 26 | 48 | 43.5 | 37.5 | 59.5 | 16.5 | 13 |
| BBL-12 | 12 | 10 | 24 | 24 | 22 | 7.0 | 27 | 49 | 43.5 | 38.5 | 60.5 | 18.5 | 13 |
| BBL-15 | 15 | 12 | 27 | 27 | 27 | 7.5 | 31 | 57 | 49.5 | 43.5 | 69.5 | 22.5 | 15 |
| BBL-16 | 16 | 13 | 30 | 30 | 30 | 7.5 | 33 | 59 | 49.5 | 45.5 | 71.5 | 24.5 | 15 |
| BBL-18 | 18 | 14 | 32 | 32 | 32 | 8.0 | 33 | 63 | 51.5 | 45.5 | 75.5 | 26.5 | 15 |
| BBL-20 | 20 | 17 | 32 | 32 | 36 | 8.0 | 33 | 65 | 51.5 | 45.5 | 77.5 | 28.5 | 15 |
| BBL-22 | 22 | 18 | 36 | 36 | 36 | 9.0 | 36 | 65 | 51.5 | 48.5 | 77.5 | 30.5 | 15 |
| BBL-25 | 25 | 20 | 41 | 41 | 41 | 10.0 | 39 | 68 | 52.5 | 52.5 | 81.5 | 35.5 | 15 |
| BBL-28 | 28 | 22 | 41 | 46 | 46 | 10.0 | 41 | 70 | 55.0 | 55.0 | 84.0 | 38.5 | 15 |
| BBL-30 | 30 | 25 | 46 | 46 | 46 | 10.0 | 46 | 74 | 55.5 | 60.5 | 88.5 | 40.5 | 15 |