What is a requirement of a manual water pump in a vessel?

A manual water pump in a vessel must be designed to effectively handle the specific water pressure and flow requirements of the vessel’s Plumbing system. It should be constructed from corrosion-resistant materials to withstand the marine environment. Additionally, the pump should be easy to operate and maintain, ensuring reliable performance during emergency situations when electric pumps may fail. Lastly, it must comply with relevant maritime safety regulations to ensure the safety of the crew and vessel.