本实用新型的优点是：1。使用无铅铝合金包胶，安全、环保；
The valve has the advantages that 1. the using of the lead-free aluminum alloy for rubber coating is safe and environment-friendly;
本实用新型涉及采用环保无铅铝合金为气门嘴金属体的一种无铅铝合 金包胶气门嘴。
The utility model relates to a lead-free aluminum alloy rubber coating valve which adopts the environment-friendly lead-free aluminum alloy as a metal body of the valve.
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