American BOA has supplied high quality metal bellows expansion joints to industry for more than 50 years. The BOA name is recognized around the world as the leader for innovative technical solutions and highly reliable products. BOA expansion joints are used in a wide variety of piping applications such as power generators, petrochemical, chemical, pulp & paper, aerospace, marine, cryogenic and many other industries. \r\n\r\nAmerican BOA is a member of the Expansion Joint Manufacturers Association (EJMA) and is certified to ASME Section V, Section VIII Division 1, Section IX, with U and R stamps. In addition, our overall quality system is registered in accordance with standard ISO 9001:2000 and PED 97/23/ EC.