Share April, 2013Chattering is the rapid opening and closing of a pressure-relief valve. The resulting vibration may cause misalignment, valve seat damage, and, if prolonged, mechanical failure of valve internals and associated piping. Some causes of chattering include: excessive inlet pressure drop; excessive backpressure; an oversized relief valve; and a relief valve that must handle widely varying flowrates. Download & Read This ArticleCopyright Permissions: Would you like to reuse content from CEP Magazine? It’s easy to request permission to reuse content. Simply click here to connect instantly to licensing services, where you can choose from a list of options regarding how you would like to reuse the desired content and complete the transaction. Topics: Process Safety