鎖閉彈性座封閘閥
鎖閉式彈性座封閘閥是在原基礎上加裝磁性專用鎖，應用于供熱、供水等收費管網，可隨時對用戶進行停水、停熱，防止因用戶故意拖欠水、熱費造成不必要的損失。在重要管網系統或重要設備上安裝此閥，可避免非操作人員誤開或誤關閥門，造成事故發生。
Block locking elastic closure valve is installed in the original basis of magnetic exclusive lock for heating，water supply and other fees to manage networks．users at any time of the suspension，ａnd stop heat，ａnd prevent userS who deliberately refuse to pay water charges to unnecessa~heat loss．Important or impo~ant equipment in the network system installed this valve can be opened to avoid misunderstanding or misuse of non-operative relations valve，causing the accident occurred．
