{"operation":"document","citation":"49 CFR 193.2409","title":"Shutoff valves.","source_type":"regulation","agency":"Pipeline and Hazardous Materials Safety Administration","status":"historical","official":true,"published_on":null,"effective_on":"1999-10-01","summary":"(a) A shutoff valve must be located on transfer piping supplying LNG to a vaporizer. The shutoff valve must be located at a sufficient distance from the vaporizer to minimize potential for damage from explosion or fire at the vaporizer. If the vaporizer is installed in a building, the shutoff valve ","machine_formats":{"json":"https://regulus.evalyn.ai/document/49-cfr-193-2409.json","markdown":"https://regulus.evalyn.ai/document/49-cfr-193-2409.md"},"app_url":"https://regulus.evalyn.ai/document/49-cfr-193-2409","source_url":"https://www.govinfo.gov/app/details/CFR-1999-title49-vol3/CFR-1999-title49-vol3-sec193-2409","body":"(a) A shutoff valve must be located on transfer piping supplying LNG to a vaporizer. The shutoff valve must be located at a sufficient distance from the vaporizer to minimize potential for damage from explosion or fire at the vaporizer. If the vaporizer is installed in a building, the shutoff valve must be located outside the building.\n\n(b) A shutoff valve must be located on each outlet of a vaporizer.\n\n(c) For vaporizers designed to use a flammable intermediate fluid, a shutoff valve must be located on the inlet and outlet line of the intermediate fluid piping system where they will be operable during a controllable emergency involving the vaporizer.","truncated":false,"body_characters":659}