⎛⎝vdDWR⎠⎞不锈钢止回阀/单向阀,升降式止回阀,对夹止回阀,立式止回阀,法兰式止回阀|价格|公司|厂家|止回阀|东莞|深圳|广州|供应商

止回閥

止回閥主要作用是防止介質導流、防止泵及其驅動裝置反轉，以及容器內介質的泄漏，它又叫逆止閥、單向閥。

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