{"operation":"document","citation":"P-81-037","title":"NTSB Safety Recommendation P-81-037","source_type":"guidance","agency":"National Transportation Safety Board","status":"guidance","official":true,"published_on":"1981-09-24","effective_on":"1981-09-24","summary":"AS A RESULT OF SPECIAL STUDY PSS-81-1, THE NTSB RECOMMENDS THAT THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) GAS PIPING STANDARDS COMMITTEE: DEVELOP GUIDELINES, USING GAS RESEARCH INSTITUTE TEST AND EVALUATION RESULTS WHEN THEY BECOME AVAILABLE, TO ASSIST THE GAS DISTRIBUTION INDUSTRY IN DETERMINING THE CONDITIONS UNDER WHICH EXCESS FLOW VALVES SHOULD BE INSTALLED IN GAS SERVICES.","machine_formats":{"json":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-81-037.json","markdown":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-81-037.md"},"app_url":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-81-037","source_url":"https://data.ntsb.gov/carol-main-public/sr-details/P-81-037","body":"NTSB safety recommendation P-81-037.\n\nAS A RESULT OF SPECIAL STUDY PSS-81-1, THE NTSB RECOMMENDS THAT THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) GAS PIPING STANDARDS COMMITTEE: DEVELOP GUIDELINES, USING GAS RESEARCH INSTITUTE TEST AND EVALUATION RESULTS WHEN THEY BECOME AVAILABLE, TO ASSIST THE GAS DISTRIBUTION INDUSTRY IN DETERMINING THE CONDITIONS UNDER WHICH EXCESS FLOW VALVES SHOULD BE INSTALLED IN GAS SERVICES.\n\nPriority: CLASS III\n\nOverall Status: Closed - Reconsidered\n\nIssued Date: 1981-09-24\n\nAdopted Date: 1981-09-09\n\nOverall Date Closed: 1987-10-26\n\nSynopsis: THE NATIONAL TRANSPORTATION SAFETY BOARD HAS CONDUCTED A STUDY OF EXCESS FLOW VALVES DESIGNED FOR USE IN GAS DISTRIBUTION SYSTEMS (SPECIAL STUDY--PIPELINE EXCESS FLOW VALVES, NTSB-PSS-81-1). THESE DEVICES, INTENDED TO STOP THE FLOW OF GAS TO A CUSTOMER IN THE EVENT OF A MAJOR LEAK IN THE GAS SERVICE, HAVE BEEN THE SUBJECT OF CONSIDERABLE CONTROVERSY IN RECENT YEARS.\n\nKeywords: Excess Flow Valves\n\nNtsbnumber: 80564\n\nReport Number: PSS-81-01\n\nAddressee Name: American Society of Mechanical Engineers\n\nAddressee Status: Closed - Reconsidered\n\nAddressee Date Closed: 1987-10-26\n\nAddressee Acronym: ASME\n\nAddressee Organization Type: A-Associations\n\nCommunication Date: 1987-10-26\n\nCommunication Type: Official Correspondence\n\nCommunication Contents: FOLLOWUP LETTER--NO RESPONSE.\n\nAddressee Acronym: ASME\n\nAddressee Organization Type: A-Associations\n\nCommunication Date: 1987-10-26\n\nCommunication Type: Official Correspondence","truncated":false,"body_characters":1510}