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YG02燃氣限流閥-YG02-25燃氣限流閥

更新:2016/7/15 13:27:27 點擊:
  • 品牌: 上海南石
  • 型號: YG02
  • 在線訂購
產品介紹
YG02-25限流閥是一種彈簧式超流閥,其主要是在閥體的內部形成一個穿套有彈簧的柱塞,其柱塞的一端設有一個可將管孔封蓋的圓盤,另一端呈螺桿狀并在其上旋套有螺帽,通過旋動螺帽從而達到調節彈簧壓力的目的;當閥體出口端的實際壓力介于設定范圍中時,其圓盤就由于壓力作用而被頂開,使閥體導通。但當出口端的流體大量外泄時,其壓力小于彈簧設定值而其柱塞就由于彈簧的推頂,而由圓盤將出口端的管孔封蓋,以防止流體外泄。
燃氣限流閥主要零件材料:
閥體:WCB
彈簧:V50Cr+鍍鎳
內件:13%Cr304
O型圈:丁晴橡膠、PTFE
法蘭連接JB/T79-84
結構長度:GB 12221-89
性能規范:
公稱壓力:2.5Mpa
強度試驗:3.8Mpa
最高工作溫度-35℃-+80℃
正常流速:≤1.5m/s
關閉時間:《5秒
適用介質:液化石油氣,液氨,油品,天然氣等弱腐蝕性介質。

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