The table will allow you to match tube and gland size, either ID_{gland} < OD_{tube} or OD_{gland} > ID_{tube}. Watch for the same colors. So, for example, you can place D25 tube either into PG-29 or over PG-11 gland.
| Gland | Mounting hole, mm | ID, mm | OD, mm | ID, mm | OD, mm | PVC tube D, mm | |
|---|---|---|---|---|---|---|---|
| PG-7 | 13 | 8,3 | 12,5 | 7,8 | 10,5 | 10 | |
| PG-9 | 16 | 10,5 | 15,2 | 10,4 | 14,0 | 14 | |
| PG-11 | 19 | 13,2 | 18,3 | 12,5 | 16,0 | 16 | |
| PG-13.5 | 21 | 15,5 | 20,4 | 15,0 | 20,0 | 20 | |
| PG-16 | 23 | 17,2 | 22,5 | 20,0 | 25,0 | 25 | |
| PG-21 | 29 | 22,4 | 28,3 | 25,0 | 31,5 | 32 | |
| PG-29 | 38 | 30,6 | 37,0 | 31,0 | 36,0 | 36 | |
| PG-36 | 48 | 35,3 | 47,0 | 33,5 | 40,0 | 40 | |
| PG-42 | 55 | 40,0 | 54,0 | 43,0 | 50,0 | 50 | |
| PG-48 | 60 | 46,2 | 59,3 |