ASTM B 819 - 00 (Reapproved 2006) Standard Specification for Seamless Copper Tube for Medical Gas Systems

American Society for Testing and Materials (ASTM). Current edition approved March 15, 2006. Published April 2006. Originally approved in 1992. Last previous edition approved in 2000 as B 819 – 00. 7 p. This specification establishes the requirements for two wall thickness schedules of specially cleaned, straight lengths of seamless copper tube, identified as Types K and L, suitable for medical gas systems. The tube shall be installed in conformance with the requirements of the National Fire Protection Association (NFPA) Standard 99, Gas and Vacuum Systems (NFPA) Standard 99C, Standard for Hypobaric Facilities (NFPA) Standard 99B, and Canadian Standards Association (CSA) Standard Z 305.1/Z 7396.1, Nonflammable Medical Gas Piping Systems.