Section R. 408.11231 - Oxygen manifoldingRule 1231.
(1) An oxygen manifolding unit shall be located not less than 20 feet from combustible materials or separated by a noncombustible barrier, not less than 5 feet high, having a fire-resistance rating of at least 1/2 hour.(2) An oxygen manifold shall not be located in acetylene generating rooms.(3) Each container and manifold unit shall be labeled to show the name of the gas contained.(4) Each manifold shall be provided with approved pressure regulation devices.Mich. Admin. Code R. 408.11231