They are built completely in bronze end suited for the fitting-out of wood an fibre-glass boat sas intake of sea water or as real bulkhead passages. The passages are available with gas dimension sand various length.
Series PPL
| type | dn | file | |
 | PPL1"-1/2 | 30 | |
| PPL2" | 41 | ||
| PPL2"-1/2 | 57 | ||
| PPL3" | 70 | ||
| PPL3"-1/2 | 82 |
Series
PPC
| type | dn | file | |
 | PPC1" | 22 | |
| PPC1"-1/4 | 30 | ||
| PPC1"-1/2 | 36 | ||
| PPC2" | 48 | ||
| PPC2"-1/2 | 63 | ||
| PPC3" | 74 | ||
| PPC3"-1/2 | 84 | ||
| PPC4" | 96 | ||
| PPC5" | 120 | ||
| PPC6" | 145 |