如何安裝差壓壓力開關(guān)
來源:編輯YY 時間:2014-05-31 15:03 點擊:次
為了日后對差壓壓力開關(guān)進(jìn)行更好的操作和控制,在安裝時,應(yīng)嚴(yán)格按照如下要求操作:
1.如果差壓壓力開關(guān)是安裝在室外時,應(yīng)給予足夠的防護(hù)措施,以免受腐蝕性氣體,劇烈變化的環(huán)境溫度,太陽輻射,水滲入等因素?fù)p壞了差壓壓力開關(guān);
2.使用差壓壓力開關(guān)的設(shè)置最好應(yīng)位于壓力開關(guān)可調(diào)范圍的中間部分(上限值的20%-80%)。
3.差壓壓力開關(guān)的通斷電流不可以大于額定值(如果觸點動作頻繁時,最好不超過額定值的60%)。
4.對于有脈沖數(shù)字壓力表及數(shù)字壓力表峰值的液體介質(zhì),可安裝一個阻尼器接口以消除設(shè)置值漂移及器件的過量磨損。
5.安裝差壓壓力開關(guān)的電線時,為了避免電線松動及防止水流等液體的滲入,應(yīng)將電線引入處的壓緊落幕擰緊。
6.差壓壓力開關(guān)部件蓋板打開前,應(yīng)先切斷電源,保證開關(guān)軀殼內(nèi)的接地可靠。
7.差壓壓力開關(guān)高低入口不允許接反,否則不動作,且不可以撥動軀殼內(nèi)杠桿,管道接頭旋入高,低腔入口深度不大于12mm。
西安仕樂克控制器制造有限公司 (www.shelok.net)

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