Regulationhistorical
49 CFR 193.2129
Piping attachments and supports.
Current as of 1999-10-01 Government source
Pipeline and Hazardous Materials Safety AdministrationOfficial agency material
View source Piping attachments and supports for LNG or refrigerant piping must be designed to prevent excessive heat transfer which can result in either unintentional restraint of piping caused by ice formations or the embrittlement of supporting steel.