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力士樂(lè)電磁閥技術(shù)參數(shù)：
1）根據(jù)介質(zhì)流向要求及管道連接方式選擇閥門通口及型號(hào)；
2）根據(jù)流量和閥門Kv值選定公稱通徑，也可選同管道內(nèi)徑；
3）工作壓差：zui低工作壓差在0.04Mpa以上是可選用間接先導(dǎo)式；zui低工作壓差
接近或小于零的必須選用直動(dòng)式或分步直接式。
3、環(huán)境條件
1）環(huán)境的zui高和zui低溫度應(yīng)選在允許范圍之內(nèi)；
2）環(huán)境中相對(duì)濕度高及有水滴雨淋等場(chǎng)合，應(yīng)選防水電磁閥；
3）環(huán)境中經(jīng)常有振動(dòng)，顛簸和沖擊等場(chǎng)合應(yīng)選特殊品種，例如船用電磁閥；
4）在有腐蝕性或爆炸性環(huán)境中的使用應(yīng)優(yōu)先根據(jù)安全性要求選用耐發(fā)蝕型；
5）環(huán)境空間若受限制，需選用多功能電磁閥，因其省去了旁路及三只手動(dòng)閥且便于在線維修。
4、電源條件
1）根據(jù)供電電源種類，分別選用交流和直流電磁閥。一般來(lái)說(shuō)交流電源取用方
便；
2）電壓規(guī)格用盡量?jī)?yōu)先選用AC220V.DC24V；
3）電源電壓波動(dòng)通常交流選用+%10%.-15%，直流允許±%10左右，如若超差，須
采取穩(wěn)壓措施；
4）應(yīng)根據(jù)電源容量選擇額定電流和消耗功率。須注意交流起動(dòng)時(shí)VA值較高，在
容量不足時(shí)應(yīng)優(yōu)先選用間接導(dǎo)式電磁閥。

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