力士樂交流110V線圈R900019816是上海韋米機電設備有限公司主營產品之一，銷售熱線： ；聯系人：雷青；在線QQ：---；移動熱線： ；進口品牌備件上海優質供應商，常規產品現貨供應。歡迎新老客戶來電咨詢采購！

電源條件
1）根據供電電源種類，分別選用交流和直流電磁閥。一般來說交流電源取用方便；
2）電壓規格用盡量優先選用AC220V.DC24V；
3）電源電壓波動通常交流選用+%10%.-15%，直流允許±%10左右，如若超差，須采取穩壓措施；
4）應根據電源容量選擇額定電流和消耗功率。須注意交流起動時VA值較高，在容量不足時應優先選用間接導式電磁閥。

主要特點
1、外漏堵絕，內漏易控，使用安全
內外泄漏是危及安全的要素。其它自控閥通常將閥桿伸出，由電動、氣動、液動執行機構控制閥芯的轉動或移動。這都要解決長期動作閥桿動密封的外泄漏難題；唯有電磁閥是用電磁力作用于密封在電動調節閥隔磁套管內的鐵芯完成，不存在動密封，所以外漏易堵絕。電動閥力矩控制不易，容易產生內漏，甚至拉斷閥桿頭部；電磁閥的結構型式容易控制內泄漏，直至降為零。所以，電磁閥使用特別安全，尤其適用于腐蝕性、有毒或高低溫的介質。
2、系統簡單，便接電腦，價格低謙
電磁閥本身結構簡單，價格也低，比起調節閥等其它種類執行器易于安裝維護。更顯著的是所組成的自控系統簡單得多，價格要低得多。由于電磁閥是開關信號控制，與工控計算機連接十分方便。在當今電腦普及，價格大幅下降的時代，電磁閥的優勢就更加明顯。
3、動作快遞，功率微小，外形輕巧
電磁閥響應時間可以短至幾個毫秒，即使是先導式電磁閥也可以控制在幾十毫秒內。由于自成回路，比之其它自控閥反應更靈敏。設計得當的電磁閥線圈功率消耗很低，屬節能產品；還可做到只需觸發動作，自動保持閥位，平時一點也不耗電。電磁閥外形尺寸小，既節省空間，又輕巧美觀。
4、調節精度受限，適用介質受限
電磁閥通常只有開關兩種狀態，閥芯只能處于兩個極限位置，不能連續調節，所以調節精度還受到一定限制。
電磁閥對介質潔凈度有較高要求，含顆粒狀的介質不能適用，如屬雜質須先濾去。另外，粘稠狀介質不能適用，而且，特定的產品適用的介質粘度范圍相對較窄。
5、型號多樣，用途廣泛
電磁閥雖有先天不足，優點仍十分突出，所以就設計成多種多樣的產品，滿足各種不同的需求，用途極為廣泛。電磁閥技術的進步也都是圍繞著如何克服先天不足，如何更好地發揮固有優勢而展開。
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力士樂交流110V線圈R900019816

電磁閥從原理上分為三大類：
    1）直動式電磁閥：
原理：通電時，電磁線圈產生電磁力把關閉件從閥座上提起，閥門打開；斷電時，電磁力消失，彈簧把關閉件壓在閥座上，閥門關閉。
特點：在真空、負壓、零壓時能正常工作，但通徑一般不超過25mm。
    2）分步直動式電磁閥：
原理：它是一種直動和先導式相結合的原理，當入口與出口沒有壓差時，通電后，電磁力直接把先導小閥和主閥關閉件依次向上提起，閥門打開。當入口與出口達到啟動壓差時，通電后，電磁力先導小閥，主閥下腔壓力上升，上腔壓力下降，從而利用壓差把主閥向上推開；斷電時，先導閥利用彈簧力或介質壓力推動關閉件，向下移動，使閥門關閉。
特點：在零壓差或真空、高壓時亦能可*動作，但功率較大，要求必須水平安裝。
    3）先導式電磁閥：
原理：通電時，電磁力把先導孔打開，上腔室壓力迅速下降，在關 閉件周圍形成上低下高的壓差，流體壓力推動關閉件向上移動，閥門打開；斷電時，彈簧力把先導孔關閉，入口壓力通過旁通孔迅速腔室在關閥件周圍形成下低上高的壓差，流體壓力推動關閉件向下移動，關閉閥門。
    特點：流體壓力范圍上限較高，可任意安裝（需定制）但必須滿足流體壓差條件。
力士樂交流110V線圈R900019816
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