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東莞艾科工業自動化設備有限公司專業進口美國FAIRCHILD減壓閥,調節器,控制閥,傳感器,等產品,我司在美國,德國設有自己的公司,直接廠家訂貨,一手貨源,價格美麗,貨期短,質量有保證,我司從06年成立以來,擁有良好的市場信譽,*的技術及服務團隊,歡迎您詢價采購
4516A *仙童FAIRCHILD減壓閥飛兆4000A型號是一款無泄漏高流量精密壓力調節器,專為要求高性能,低功耗和精確過程控制的應用而設計。4000A型氣動調節器具有小于0.5“水柱的控制靈敏度,zui小消耗量和高流量能力,可提供始終如一且可靠的精度精度,從而無論供應壓力變化或條件如何,都能保持所需的設定點。可處理250 psi,17 BAR的zui大供應壓力,并提供0.5-10 psi,0.03-0.7 BAR,3-70 kPa至5-250 psi,0.35-17 BAR,35-1700 kPa的五(5) 。4000A型的流量可達150 SCFM,255 m3 / hr。
4516A *仙童FAIRCHILD減壓閥屬于先導活塞式減壓閥。由主閥和導閥兩部分組成。主閥主要由閥座、主閥盤、活塞、彈簧等零件組成。導閥主要由閥座、閥瓣、膜片、彈簧、調節彈簧等零件組成。通過調節調節彈簧壓力設定出口壓力、利用膜片傳感出口壓力變化,通過導閥啟閉驅動活塞調節主閥節流部位過流面積的大小,實現減壓穩壓功能。本產品主要用于氣體管路,如空氣、氮氣、氧氣、氫氣、液化氣、天然氣等氣體
注意事項
1.為了操作和維護方便,該閥一般直立安裝在水平管道上。
2.減壓閥安裝必須嚴格按照閥體上的箭頭方向保持與流體流動方
向*。如果水質不清潔,含有一些雜質,必須在減壓閥的上游進水口安裝過濾器。
3.為了防止閥后壓力超壓,應在離閥出口不少于4M處安裝一個減壓閥。
4.減壓閥在管道中起到一定的止回作用,為了防止水錘的危害,也可安裝小的膨脹水箱,防止損壞管道和閥門,過濾器必須安裝在減壓閥的進水管前,而膨脹水箱必須安裝在減壓閥出水管后!
5.如果需要將減壓閥安裝在熱水系統時,您必須在減壓閥和膨脹水箱之間安裝止回閥。這樣既可以讓膨脹水箱吸收由于熱膨脹而增加的水的體積,又可以防止熱水回流或壓力波動對減壓閥的影響,確保減壓閥長期正常工作。
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