止回閥產(chǎn)品及廠家
閥體材質(zhì)鑄鐵，鑄剛公稱通徑dn(mm)dn50~600公稱壓力pn(mpa)10~20工作溫度（℃）80℃性能描述特點該閥具有三種功能（1，緩沖止回 2，閘閥 3，平衡閥）
更新時間:2025-09-03
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