• 1395-B75-C3-PZ
    • 參考價格:面議
    • 供 貨 量:500個
    • 所 在 地: 福建 福州
    • 聯 系 人:陳經理 女士   添加為商業伙伴
    • 有 效 期:2022年07月31日-2023年01月27日
    詳細信息
    1395-B75-C3-PZ;
    供應1395-B75-C3-PZ;
    1395-B75-C3-PZ。

    電磁閥選型首先應該依次遵循安全性,可靠性,適用性,經濟性四大原則,其次是根據六個方面的現場工況(即管道參數、流體參數、壓力參數、電氣參數、動作方式、特殊要求進行選擇)。

      選型依據:

      1、根據管道參數選擇電磁閥的:通徑規格(即DN)、接口方式

      1)按照現場管道內徑尺寸或流量要求來確定通徑(DN)尺寸;

      2)接口方式,一般>DN50要選擇法蘭接口,≤DN50則可根據用戶需要自由選擇。

    2、根據流體參數選擇電磁閥的:材質、溫度組

      1)腐蝕性流體:宜選用耐腐蝕電磁閥和全不銹鋼;食用超凈流體:宜選用食品級不銹鋼材質電磁閥;

      2)高溫流體:要選擇采用耐高溫的電工材料和密封材料制造的電磁閥,而且要選擇活塞式結構類型的;

      3)流體狀態:大至有氣態,液態或混合狀態,特別是口徑大于DN25時一定要區分開來;

      4)流體粘度:通常在50cSt以下可任意選擇,若超過此值,則要選用高粘度電磁閥。

      3、根據壓力參數選擇電磁閥的:原理和結構品種

      1)公稱壓力:這個參數與其它通用閥門的含義是一樣的,是根據管道公稱壓力來定;

      2)工作壓力:如果工作壓力低則必須選用直動或分步直動式原理;工作壓差在0.04Mpa以上時直動式、分步直動式、先導式均可選用。
    4、電氣選擇:電壓規格應盡量優先選用AC220V、DC24較為方便。

      5、根據持續工作時間長短來選擇:常閉、常開、或可持續通電

      1)當電磁閥需要長時間開啟,并且持續的時間多于關閉的時間應選用常開型;

      2)要是開啟的時間短或開和關的時間不多時,則選常閉型;

      3)但是有些用于安全保護的工況,如爐、窯火焰監測,則不能選常開的,應選可長期通電型。

      6、根據環境要求選擇輔助功能:防爆、止回、手動、防水霧、水淋、潛水。


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    陳經理 女士 (銷售工程師)
    聯系我時,請您告知是從“傲立機床網”看到的。
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