锁闭式弹性座封闸阀是在原基础上加装磁性专用锁，应用于供热、供水等收费管网，可随时对用户进行停水、停热，防止因用户故意拖欠水、热费造成不必要的损失。在重要管网系统或重要设备上安装此阀，可避免非操作人员误开或误关阀门，造成事故发生。
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．



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