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Q941F-25C DN40無源觸點型電動軟密封球閥
Q941F-25C DN40無源觸點型電(dian)動(dong)軟(ruan)密(mi)封(feng)球(qiu)(qiu)(qiu)閥(fa)啟(qi)閉只做90°轉動(dong),故(gu)容(rong)易實(shi)現自動(dong)化(hua)控制和遠距離(li)控制,球(qiu)(qiu)(qiu)閥(fa)可配置(zhi)(zhi)氣(qi)(qi)動(dong)裝(zhuang)(zhuang)置(zhi)(zhi)、電(dian)動(dong)裝(zhuang)(zhuang)置(zhi)(zhi)、液(ye)(ye)動(dong)裝(zhuang)(zhuang)置(zhi)(zhi)、氣(qi)(qi)液(ye)(ye)聯動(dong)裝(zhuang)(zhuang)置(zhi)(zhi)或(huo)電(dian)液(ye)(ye)聯動(dong)裝(zhuang)(zhuang)置(zhi)(zhi)。 球(qiu)(qiu)(qiu)閥(fa)通道(dao)平(ping)整(zheng)光(guang)滑,不易沉積介質,可以進(jin)行管線(xian)通球(qiu)(qiu)(qiu)。密(mi)封(feng)性能好。球(qiu)(qiu)(qiu)閥(fa)閥(fa)座密(mi)封(feng)圈一般采用聚四(si)氟乙(yi)烯等彈性材料制造,易于保證密(mi)封(feng),而且球(qiu)(qiu)(qiu)閥(fa)的(de)密(mi)封(feng)力(li)隨著介質壓力(li)的(de)增加而增大。開關(guan)迅速、方便,只要(yao)閥(fa)桿轉動(dong)90°。
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無源觸點型電動軟密封球閥
無(wu)源觸點(dian)型(xing)(xing)電(dian)動軟(ruan)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)球(qiu)閥(fa)(fa)Q941F-25C DN40由精小型(xing)(xing)無(wu)源型(xing)(xing)電(dian)動執行(xing)器(qi)與(yu)球(qiu)閥(fa)(fa)構成,球(qiu)閥(fa)(fa)主要用(yong)(yong)于(yu)截斷或接通(tong)介質(zhi)(zhi),也(ye)可(ke)用(yong)(yong)于(yu)流體的(de)(de)調節(jie)與(yu)控制,是目前主要的(de)(de)一種閥(fa)(fa)類。球(qiu)閥(fa)(fa)采用(yong)(yong)彈性(xing)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)圈結構設計(ji)。當(dang)介質(zhi)(zhi)壓力(li)較(jiao)(jiao)小時(shi)(shi),密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)圈與(yu)球(qiu)體接觸面積較(jiao)(jiao)小,在密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)圈與(yu)球(qiu)體接觸行(xing)程(cheng)較(jiao)(jiao)大(da)的(de)(de)密(mi)(mi)(mi)(mi)比壓,確保可(ke)靠密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)。當(dang)壓力(li)較(jiao)(jiao)大(da)時(shi)(shi),隨(sui)著密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)圈的(de)(de)彈性(xing)變形(xing),密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)圈與(yu)球(qiu)體的(de)(de)接觸面積增大(da),故密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)圈能承(cheng)受(shou)較(jiao)(jiao)大(da)的(de)(de)介質(zhi)(zhi)推力(li)而(er)不會(hui)損(sun)壞。
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