How should hose be stored in hose racks to protect the male coupling threads?

Rolling the hose with the male end inside is the most effective method for protecting the male coupling threads. This approach minimizes exposure to environmental factors and physical damage that could occur if the male end is outermost. By placing the male coupling inside when rolling, it is shielded from abrasions, impacts, and potential contact with other equipment, which could lead to wear or thread damage.

Additionally, storing the male coupling inside effectively prevents moisture or debris from entering the threads, which can cause corrosion or operational issues when connecting hoses. This practice also allows for easier handling and transportation, as rolled hoses take up less space and are more manageable.

Each of the other methods has its own challenges regarding thread protection. Hanging the hose vertically could expose the male end to collisions or accidental drops. Storing unfurled in a coil might lead to entanglements or support less protection for the threads. Keeping the hose in a dry container safeguards it from moisture but does not specifically address the protection of the male coupling threads as effectively as rolling it with the male end inside.