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), Material, workmanship and dimensions per MSS SP-109 (5″ to 8″)
