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HC44X橡膠瓣止回閥2016河北廠家直銷
　HC44X橡膠瓣止回閥由閥體、閥蓋、閥瓣和彈簧等組成，主要用于給排水系統、石油、化工等工業部門的管道出口處，防止介質逆流。 		2016-03-15
上海300X緩閉消聲止回閥HH42X質量三包
300X緩閉消聲止回閥針對高層、超高層建筑設計，具有設計合理，使用壽命長等優點，是用于解決高層建筑生活用水、消防用水系統中， 		2016-03-15
　北京優質HC41X 消聲止回閥現貨報價
　HC41X 消聲止回閥有法蘭連接和對夾連接兩種連接方式，具有體積小、重量輕、流體阻力小、結構長度小、耐疲勞、壽命長等特點。可 		2016-03-15
河北泊頭hc85x溝槽消聲止回閥簡易安全
溝槽（卡箍）消聲止回閥是天工閥門引進美國與德國同類先進產品而設計制造的一系列新型連接閥門。它具有安裝快速、簡易、安全、可 		2016-03-15
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