氣動緊急切斷球閥-浙江博科閥門科技有限公司_hot电竞

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    氣動緊急切斷球閥

    氣動緊急切斷球閥
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    氣動切斷球閥又稱為:氣動切斷球閥采用活塞式(單/雙)作用執行機構與球閥組合。适用于:石油、化工、造紙、化纖等工業部門的自控系統中,具有快速開啟和關閉(最快速度可控制在0.1~0.2/秒之内)。是消防安全與高頻率加工系統配套使用專用閥門。

    氣動切斷球閥 優點
    氣動球閥主要用于截斷或接通管路中的介質,亦可用于流體的調節與控制,它與其它閥類相比,具有以下一些優點。

    1、流體阻力小、球閥是所有閥類中流體阻力最小的一種,即使是縮徑球閥,其流體阻力也相當小。

    2、止推軸承減小閥杆磨擦力矩,可使閥杆長期操作平衡靈活。

    3、閥座密封性能好,結構易于密封,而且球閥的閥封能力随着介質壓力的增高而增大。

    4、閥杆密封可靠,由于閥杆隻作旋轉運動而不做升降運動,閥杆的填料密封不易破壞,且密封能力随着介質的壓力增高而增大。

    5、由于聚四氟乙烯等材料具有良好的自潤滑性,與球體的磨擦損失小,故球閥的使用壽命長。

    6、下裝式閥杆和閥杆頭部凸價防止閥杆噴出,如火災造成閥杆密封破壞,凸階與閥體間還可形成金屬接觸,确保閥杆密封。

    7、防靜電功能:在球體、閥杆、閥體之間設置彈簧,能将開關過程産生的靜電導出。

    網站關鍵詞:氣動球閥氣動蝶閥氣動截止閥氣動閘閥氣動執行器
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