高壓截止閥J41W_蒸餾塔_截止閥
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- 服務熱線:0577-67999989
- 圖文傳真:0577-67999178
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- 請求信息 : 2023-02-18 22:27:52 HTTP/1.1 GET : http://www.cqsenpu.com/product/globe_valve/002-000515.html
- 運行時間 : 0.481284s [ 吞吐率:2.08req/s ] 內存消耗:5,684.85kb 文件加載:241
- 查詢信息 : 230 queries
- 緩存信息 : 0 reads,1 writes
- 會話信息 : SESSION_ID=e1f6f43c64a4c3ad0594b5c435cc6af2
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0.496757s
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蒸餾塔是稀有金屬鈦等材料及其合金材料制造的化工設備,蒸餾塔具有強度高、韌性大、耐高溫、耐腐蝕、比重輕等特性。而鍛鋼閘閥在整個蒸餾塔中也起到了重要的作用,在日常的生產過程中,起到了穩定設備安全的作用。由于歐拉姆擁有一萬平米的智能工廠,相較于競品,生產出的閥門壽命長,目前已經累計出口3000多臺高壓截止閥。
高壓截止閥屬于強制密封式閥門,所以在高壓截止閥關閉時,必須向閥瓣施加壓力,以強制密封面不泄漏。當介質由閥瓣下方進入閥內時,操作力所需要克服的阻力,是閥桿和填料的磨擦力與由介質的壓力所產生的推力,關高壓截止閥的力比開高壓截止閥的力大,所以閥桿的直徑要大,否則會發生閥桿頂彎的故障。近年來,從自密封的高壓截止閥出現后,高壓截止閥的介質流向就改由閥瓣上方進入閥腔,這時在介質壓力作用下,關高壓截止閥的力小,而開高壓截止閥的力大,閥桿的直徑可以相應地減少。
通過旋轉截止閥的手輪,閥桿上升和下降帶動閥瓣做平行于介質流向的直線位移,達到開啟和關閉的目的。當手輪順時針旋轉時,工作介質通過閥瓣下面的通道進入。此時,施加的密封力必須等于或大于密封面上產生的所需比壓和介質向上的力之和。截止閥分為直通式、直角式和直通式斜向截止閥三大類。
相較閘閥建構更為簡單,制造與維修更為方便。密封面不易磨損、擦傷,專業研磨六級密封,啟閉時閥瓣與閥體密封面之間無相對滑動,密封面間磨擦力小,使用壽命較長。
閥桿軸線與閥座密封面垂直,閥桿啟閉操作時行程相對較短,并具有很好的切斷動作,因此截止閥十分適合應用于介質的切斷或調節及節流。
閥瓣于閥體密封面間的摩擦力比閘閥小,開啟高度一般僅為閥座通道直徑的1/4,因此比閘閥小的多。密封面不易磨損、擦傷,介質的壓力起伏波動對密封性能無影響。
設計與制造:ANSI B16.34 E101
結構長度:ANSI B16.10 E101 GB/T1588.
1 壓力溫度等級:ANSI B16.34 E101
試驗與檢驗:API598 E101 JB/T9092
法蘭標準 GB、HG、JB