止回閥產(chǎn)品及廠家
日立hitachi升降式止回閥日立hitachi升降式止回閥閥瓣利用流體壓差和自身的重量實(shí)現(xiàn)升降，日立hitachi升降式止回閥適用于大部分的罐內(nèi)水平管路上，自動(dòng)阻止介質(zhì)逆流，保護(hù)上游設(shè)備。日立hitachi升降式止回閥應(yīng)用于工水、蒸汽介質(zhì)的管路上，作防止介質(zhì)逆流的單向啟閉用。
更新時(shí)間:2025-08-18
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