What is the maximum allowable operating pressure for an undiluted LP-gas system?

Study for the NFPA Liquefied Petroleum Gas Code Exam. Understand regulations with detailed questions and explanations to enhance your preparation. Get exam-ready today!

The maximum allowable operating pressure for an undiluted LP-gas system is established to ensure safety and efficiency in its usage. The correct answer is based on the guidelines set forth in NFPA 58, which specifies that the maximum allowable pressure for undiluted LP-gas systems is 20 psi. This limit helps mitigate risks associated with overpressurization, such as leaks or catastrophic failures in the system.

By maintaining an operating pressure of 20 psi or lower, the integrity of the system is preserved, and the risk of accidents decreases. This is particularly important in residential, commercial, and industrial applications where LP-gas is used for heating, cooking, or powering equipment.

The other pressure levels do not meet the criteria set by NFPA 58 for undiluted LP-gas systems, as they either fall below the safe operational level or exceed the maximum limit defined by the code. Understanding these pressure thresholds is crucial for anyone working with LP-gas to ensure compliance and safety in their installations and operations.

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