Due to the characteristics of gate valves, the valve stem is always exposed when the valve is opened, which will rust after a long time and may get stuck when it is opened again. Applying big butter or grease can effectively prevent the valve stem from rusting and reduce friction.
According to the special requirements of chlorine and liquid chlorine medium transportation, combined with the actual situation of domestic valve application, a series of patented products for chlorine special valves were designed by adopting novel sealing forms and reliable sealing structures.