欧宝体育


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行業新聞
當前位置: 欧宝体育 新聞動態》行業新聞
閥門試壓機: 閥門試壓你了解多少
2021/7/14 閱讀次數: 276
閥門試(shi)(shi)壓(ya)(ya)(): 閥門拆洗重組后,先將閥門啟閉4-5次,然后關閉閥門,進(jin)行(xing)(xing)試(shi)(shi)壓(ya)(ya)。試(shi)(shi)壓(ya)(ya)介質可(ke)用(yong)壓(ya)(ya)縮空(kong)(kong)(kong)氣(qi)或煤油(you)。用(yong)煤油(you)試(shi)(shi)壓(ya)(ya),即(ji)把煤油(you)灌入閥體,經兩個小時(shi)不滲漏為(wei)合格。用(yong)這種方法(fa)試(shi)(shi)壓(ya)(ya)時(shi),應(ying)在(zai)(zai)閥芯兩頭分別(bie)試(shi)(shi)壓(ya)(ya)。用(yong)壓(ya)(ya)縮空(kong)(kong)(kong)氣(qi)試(shi)(shi)壓(ya)(ya),利(li)用(yong)專用(yong)試(shi)(shi)壓(ya)(ya)卡具,試(shi)(shi)驗壓(ya)(ya)力為(wei)工(gong)作壓(ya)(ya)力的1.25倍,以(yi)試(shi)(shi)壓(ya)(ya)時(shi)不降壓(ya)(ya)為(wei)合格。為(wei)了(le)檢查(cha)閥體是否(fou)因裂紋、砂眼造成閥體滲漏,也(ye)可(ke)將試(shi)(shi)驗的閥門放在(zai)(zai)水中通(tong)入壓(ya)(ya)縮空(kong)(kong)(kong)氣(qi)進(jin)行(xing)(xing)閥體檢漏。一(yi)般閥門出廠前都經過以(yi)上(shang)的試(shi)(shi)驗,并隨(sui)附出廠合格證,以(yi)上(shang)工(gong)程(cheng)可(ke)免(mian)予(yu)進(jin)行(xing)(xing)。
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