Bulkhead union
| Order code | Pipe OD, mm | L | L1 | L2 | F | Panel hole size | Max. panel thickness | Hole diameter |
| RMBU6 | 6 | 57.90 | 17.70 | 33.70 | 16 | 18568 | 10.20 | 5.00 |
| RMBU8 | 8 | 61.00 | 18.60 | 36.00 | 18 | 43751 | 11.20 | 6.50 |
| RMBU10 | 10 | 63.60 | 19.50 | 37.00 | 22 | 16.30 | 11.20 | 7.90 |
| RMBU12 | 12 | 71.00 | 22.00 | 41.90 | 24 | 19.50 | 12.70 | 9.50 |