Chinese Industry Standard: CJ/T 396-2012

Duck-bill rubber check valve

鸭嘴式橡胶止回阀

中华人民共和国住房和城乡建设部

本标准规定了鸭嘴式橡胶止回阀的型式与型号、参数与材料、要求、试验方法、检验规则、标志及供货。
本标准适用于鸭嘴式橡胶止回阀的生产和检测。

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