Conservation Vent

{
  "id": "MLC-T-ENV-006206",
  "term": "Conservation Vent",
  "field": "Environment",
  "definition": "Automatically operated (e.g., weight-loaded or spring-loaded) safety device used to prevent the operating pressure of a storage vessel from exceeding the maximum allowable working pressure of the process component. Conservation vents must be designed to open only when the operating pressure of the storage vessel exceeds the maximum allowable working pressure of the process component. Conservation vents open and close to permit only the intake or outlet relief necessary to keep the storage vessel within permissible working pressures, and reseal automatically.",
  "references": [
    "40 CFR 63.12005 (CFR 2013)"
  ],
  "url": "https://mlchart.com/terminology/environment/conservation-vent/"
}