KRTT Valvola manuale Tubo-Tubo Serie K
| Codice | Tubo 1 | Tubo 2 |
| KRTT0060 | 6 | 6 |
| KRTT6080 | 6 | 8 |
| KRTT0080 | 8 | 8 |
| KRTT8100 | 8 | 10 |
| KRTT0100 | 10 | 10 |
| KRTT1120 | 10 | 12 |
| KRTT0120 | 12 | 12 |
| Codice | Tubo 1 | Tubo 2 |
| KRTT0060 | 6 | 6 |
| KRTT6080 | 6 | 8 |
| KRTT0080 | 8 | 8 |
| KRTT8100 | 8 | 10 |
| KRTT0100 | 10 | 10 |
| KRTT1120 | 10 | 12 |
| KRTT0120 | 12 | 12 |
