This information is provided free of charge by the Department of Industrial Relations
from its web site at www.dir.ca.gov. These regulations are for the
convenience of the user and no representation or warranty is made that the information
is current or accurate. See full disclaimer at https://www.dir.ca.gov/od_pub/disclaimer.html.
Subchapter 7. General Industry Safety Orders
Group 20. Flammable Liquids, Gases and Vapors
Article 139. Oxygen
Group 20. Flammable Liquids, Gases and Vapors
Article 139. Oxygen
| Return to index New query |
§5506. Liquid Oxygen Vaporizers.
(a) The vaporizer shall be anchored and its connecting piping be sufficiently flexible to provide for the effect of expansion and contraction due to temperature changes.
(b) The vaporizer and its piping shall be adequately protected on the oxygen and heating medium sections with safety relief devices.
(c) Heat used in an oxygen vaporizer shall be indirectly supplied only through mediums such as steam, air, water, or water solutions which do not react with oxygen.
(d) If electric heaters are used to provide the heat, the vaporizing system shall be electrically grounded.
Go Back to Article 139 Table of Contents