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Title: Safety Regulations Concerning Pressure Limiting Devices
Author: J. C. Thomas
Source: American Gas Association 1977
Year Published: 1977
Abstract: I appreciate the invitation to participate in the 1977 Transmission Conference of the American Gas Association. As you know, the regulations concerning pressure limiting devices were derived from the ANSI B3I.8 Code and became interim minimum Federal safety standards effective on December 13. 1968,OnNovember 12.1970. a new Part 192 of Title 49 of the Code of Federal Regulations became effective and Subparts D and M, contain the minimum regulations concerning pressure limiting devices. Since the issuance of Part 192, there has only been one rule change directly affecting pressure control. Amendment 192-9 was made effective November 4, 1972 and changed the restriction on accidental pressure build-up in transmission and high pressure distribution lines having a maximum allowable operating pressure (MAOP) of less than 60 psig.

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