The double-intake valves make it possible to stop seawater intake (a fundamental feature should flooding occur) and, for instance, to keep cooling the engine, using bilge water.
Safety suction port diameters (2240 & 2250 series):
2’’ for valves with a nominal diameter from 65mm to 80mm and G2’’1/2 to G3;
2’’1/2 for valves with a nominal diameter of 100mm and G4’’
* Special order only.