Nevertheless, gate valves are prone to corrosion, which may prevent them from working properly and open up and shutting appropriately. In case the stems get greatly corroded, then the stem can break off which would make the valve worthless. 44. A gate valve structure as claimed in assert forty one https://collinujyol.ttblogs.com/12963715/a-secret-weapon-for-water-system-gate-valve-components