混流泵三）密封装置是由填料函、水封圈、填料压盖和铅粉（或油浸）石棉盘根填料组成。其作用有：? ?1、启动时防止空气吸入泵内，起密封作用。? ?2、抽水时防止水从泵内过多的沿轴大量流出。III. Sealing equipment is composed of stuffing box，机械密封混流泵厂家，water seal， packing gland，聊城混流泵厂家，lead powder(o
