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TITLE 16ECONOMIC REGULATION
PART 1RAILROAD COMMISSION OF TEXAS
CHAPTER 14REGULATIONS FOR LIQUEFIED NATURAL GAS (LNG)
SUBCHAPTER EPIPING SYSTEMS AND COMPONENTS FOR ALL STATIONARY LNG INSTALLATIONS
RULE §14.2437Pressure and Relief Valves in Piping

(a) Pressure relieving safety devices shall be installed to minimize damage to equipment and personnel. The means for adjusting relief valve set pressure shall be sealed.

(b) Thermal expansion relief valves shall be installed to prevent overpressure in any section of cold liquid or cold vapor piping which can be isolated by valves.

(c) Thermal expansion relief valves shall be set to discharge above the maximum pressure normally expected in the line but less than the rated test pressure of the line they protect.

(d) Discharge from the valves shall be directed to minimize hazard to personnel or equipment and the discharge location shall be approved by LP-Gas Operations.


Source Note: The provisions of this §14.2437 adopted to be effective May 26, 2003, 28 TexReg 4100; amended to be effective December 24, 2012, 37 TexReg 9921

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