According to condensed water and steam density difference,the valve automatically rise or fall along with the change of water level,opev or close the valve hole through lever driving valve core .

• 该阀根据凝结水和蒸汽的密度差，浮球随阀腔内水位的变化而自动升降，通过杠杆带动柱面阀芯开启或关闭阀孔。