Includes Correction 7/13/18.
This publication covers isolation valves, control valves, check valves, pressure relief valves, drain, and vent valves in air separation units (ASUs), their backup and storage piping system, and customer station bulk storage tank systems. It addresses the design, material selection, manufacturing, cleaning, installation, operation, and maintenance of oxygen service valves operating at temperatures below –30 °C.
Valves in warm service connecting instrumentation devices are excluded from the scope of this publication. Some of the principles discussed in this publication may be used for other cold oxygen applications.
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