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Code of Federal Regulations Title 30. Mineral Resources § 30.7.307 Static pressure test

Current as of January 02, 2025 | Updated by Findlaw Staff

(a) Test procedure.

(1) The enclosure shall be internally pressurized to a minimum of 150 psig and the pressure maintained for a minimum of 10 seconds.

(2) Following the pressure hold, the pressure shall be removed and the pressurizing agent removed from the enclosure.

(b) Acceptable performance.

(1) The enclosure during pressurization shall not exhibit—

(i) Leakage through welds or casting;  or

(ii) Rupture of any part that affects the explosion-proof integrity of the enclosure.

(2) The enclosure following removal of the pressurizing agent shall not exhibit—

(i) Visible cracks in welds;

(ii) Permanent deformation exceeding 0.040 inches per linear foot;  or

(iii) Clearances, in excess of those specified in this subpart, along accessible flame-arresting paths, following any necessary retightening of fastenings.

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Cite this article: FindLaw.com - Code of Federal Regulations Title 30. Mineral Resources § 30.7.307 Static pressure test - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-30-mineral-resources/cfr-sect-30-7-307/

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