ASTM B75 Alloy C12200, Third-party certified to NSF/ANSI 61 and 372, Material and workmanship per ASME B16.22, Material, workmanship and dimensions per MSS SP-104, NFPA 99 Health Care Facilities Gas and Vacuum Systems and the Compressed Gas Association, Pamphlet G4.1 (medical gas), UL 207 Recognized to 700 PSI (select diameters)
