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日立HITACHI旋啟式止回閥,葫蘆牌升降式止回閥
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- 供貨總量:780 臺
- 發(fā)貨期限:自買家付款之日起 3 天內(nèi)發(fā)貨
- 所在地:上海
日立HITACHI止回閥:日本日立HITACHI旋啟式止回閥nclick="null;if(arg1.onmousemove)arg1.onmousemove=null;if(arg1.onmouseover)arg1.onmouseover=null;if(arg1.ondblclick)arg1.ondblclick=null;if(arg1.onmouseenter)arg1.onmouseenter=null;if(arg1.onmousele*e)arg1.onmousele*e=null;return" result;}?="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: 微軟雅黑, Arial; white-space: normal; background-color: rgb(255, 255, 255); font-size: larger;">nclick="null;if(arg1.onmousemove)arg1.onmousemove=null;if(arg1.onmouseover)arg1.onmouseover=null;if(arg1.ondblclick)arg1.ondblclick=null;if(arg1.onmouseenter)arg1.onmouseenter=null;if(arg1.onmousele*e)arg1.onmousele*e=null;return" result;}?="" style="margin: 0px; padding: 0px; color: rgb(0, 0, 0);">是能自動阻止流體倒流的閥門。日本日立HITACHI旋啟式止回閥的閥瓣在流體壓力作用下開啟,流體從進口側(cè)流向出口側(cè)。當進口側(cè)壓力低于出口側(cè)時,閥瓣在流體壓差、本身重力等因素作用下自動關閉以防止流體倒流。