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    武漢賀德克二通電磁球閥WS10W-01-C-N-24DG現(xiàn)貨  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(xiàn)場工況（即管道參數(shù)、流體參數(shù)、壓力參數(shù)、電氣參數(shù)、動作方式、特殊要求進行選擇）。
選型依據：
1、根據管道參數(shù)選擇電磁閥的：通徑規(guī)格（即DN）、接口方式
1）按照現(xiàn)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(shù)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(tài)：大至有氣態(tài)，液態(tài)或混合狀態(tài)，特別是口徑大于DN25時一定要區(qū)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(shù)選擇電磁閥的：原理和結構品種
1）公稱壓力：這個參數(shù)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；最di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(guī)格應盡量優(yōu)先選用AC220V、DC24較為方便。
5、根據持續(xù)工作時間長短來選擇：常閉、常開、或可持續(xù)通電

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