To provide an apparatus for city water made of a lead-containing copper alloy having excellent antifoulancy while sufficiently reducing the amount of lead to be eluted from the inner circumferential face of a water passage to water, and further having excellent decorativeness by a specular gloss.
The method of producing an apparatus for city water made of a lead-containing copper alloy is provided with: a plating stage where a nickel-chromium plating layer is applied to the outer circumferential face of a work consisting of a lead-containing copper alloy and having a water passage; and a lead removal stage where, after the plating stage, the work is dipped into a lead removal liquid, and the inner circumferential face of the water passage is subjected to lead removal treatment. In the process of the lead removal stage, an antifoulant treatment stage where an antifoulant film consisting of a fluorine-containing polymer capable of bonding with chromium is formed on the outer circumferential face of the work is performed.
MIZUTANI TAKASHI
SATO KOJI
SAKAI MIE
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