What is the primary function of the deck water seal in an inert gas system?

The primary function of the deck water seal in an inert gas system is to isolate hazardous areas from nonhazardous areas. This is critical in preventing the potential infiltration of flammable gases into safe zones of the ship. The water seal acts as a barrier, ensuring that any hazardous gases that may be present cannot escape from the system and reach the atmosphere or lower decks, where they could pose a risk to crew members and the vessel.

By maintaining this separation, the deck water seal helps to ensure operational safety and prevent dangerous situations, making it an essential component of the inert gas system used on tankers and other vessels. This role is vital for compliance with safety regulations and for the overall integrity of the cargo and vessel during transit.