Faucet for water supply system for aircraft

A faucet for a water supply system for an aircraft comprising a body portion having a water passage formed therein, and an adapter removably mounted to a discharge portion of the body portion,

• wherein the adapter is configured so that a mounting member is received within a casing;
• the mounting member comprises an orifice, a negative pressure forming chamber through which water having passed through the orifice flows, and an air passage hole communicated with the negative pressure forming chamber and mixing air taken in from an exterior of the adapter;
• and
• the adapter further comprises a dispersion member, that once diverges the water having passed through the negative pressure forming chamber and then mixes the water again, arranged within the casing and downstream of the negative pressure forming chamber.