46 C.F.R. § 197.326 Oxygen safety.
Title 46 - Shipping
(a) Equipment used with oxygen or oxygen mixtures greater than 40 percent by volume must be designed for such use. (b) Oxygen systems with pressures greater than 125 psig must have slow-opening shut-off valves except pressure boundary shut-off valves may be ball valves.
Title 46: Shipping
PART 197—GENERAL PROVISIONS
Subpart B—Commercial Diving Operations
equipment
§ 197.326 Oxygen safety.
