Raccord union en croix en inox 316L permettant de connecter 4 tubes de même diamètre "D" entre eux
| Tubes métriques (mm) | ||||
| D Ø tube | N (mm) | N1 (mm) | L (mm) | Inox 316L |
| 6 | 14 | 14 | 26 | RDBCR6M |
| 8 | 17 | 14 | 28 | RDBCR8M |
| 10 | 19 | 17 | 33 | RDBCR10M |
| 12 | 22 | 22 | 35 | RDBCR12M |
| 14 | 24 | 22 | 36 | RDBCR14M |
| 16 | 27 | 25 | 38 | RDBCR16M |
| 18 | 32 | 25 | 38 | RDBCR18M |
| 20 | 32 | 30 | 42 | RDBCR20M |
| 25 | 41 | 30 | 46 | RDBCR25M |
| Tubes ISO (DN en pouce ISO) | ||||
| D Ø tube | N (mm) | N1 (mm) | L (mm) | Inox 316L |
| 13,7 | 25 | 22 | 36 | RDBCR4S |
| 17,2 | 30 | 25 | 38 | RDBCR6S |
| 21,3 | 35 | 30 | 43 | RDBCR8S |
| 26,9 | 41 | 30 | 47 | RDBCR12S |
| 33,7 | 45 | 40 | 51 | RDBCR16S |
| Tubes impériaux (OD en fraction de pouce américain) | ||||
| D Ø tube | N (mm) | N1 (mm) | L (mm) | Inox 316L |
| 1/8" | 10 | 14 | 24 | RDBCR2I |
| 3/16" | 12 | 14 | 25 | RDBCR3I |
| 1/4" | 14 | 14 | 26 | RDBCR4I |
| 3/8" | 19 | 17 | 30 | RDBCR6I |
| 1/2" | 22 | 22 | 35 | RDBCR8I |
| 3/4" | 32 | 25 | 42 | RDBCR12I |
| 1" | 41 | 30 | 46 | RDBCR16I |