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Code of Federal Regulations Title 49. Transportation § 49.192.739 Pressure limiting and regulating stations:  Inspection and testing

Current as of October 02, 2022 | Updated by FindLaw Staff

(a) Each pressure limiting station, relief device (except rupture discs), and pressure regulating station and its equipment must be subjected at intervals not exceeding 15 months, but at least once each calendar year, to inspections and tests to determine that it is—

(1) In good mechanical condition;

(2) Adequate from the standpoint of capacity and reliability of operation for the service in which it is employed;

(3) Except as provided in paragraph (b) of this section, set to control or relieve at the correct pressure consistent with the pressure limits of § 192.201(a);  and

(4) Properly installed and protected from dirt, liquids, or other conditions that might prevent proper operation.

(b) For steel pipelines whose MAOP is determined under § 192.619(c), if the MAOP is 60 psi (414 kPa) gage or more, the control or relief pressure limit is as follows:

If the MAOP produces a
hoop stress that is:

Then the pressure limit is:

Greater than 72 percent of SMYS

MAOP plus 4 percent.

Unknown as a percentage of SMYS

A pressure that will prevent unsafe operation of the pipeline considering its operating and maintenance history and MAOP.
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Cite this article: FindLaw.com - Code of Federal Regulations Title 49. Transportation § 49.192.739 Pressure limiting and regulating stations:  Inspection and testing - last updated October 02, 2022 | https://codes.findlaw.com/cfr/title-49-transportation/cfr-sect-49-192-739/

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