Indirect vaporizers shall be constructed according to the ASME code for a design pressure of ________.

Prepare for the Propane Certification Test. Study with targeted flashcards and multiple-choice questions, each offering hints and insights. Ensure your readiness for the exam!

Indirect vaporizers are crucial components in propane systems, facilitating the conversion of liquid propane into gas for use. The American Society of Mechanical Engineers (ASME) guidelines provide a framework for the safe construction and design of these pressure vessels, ensuring they can handle specific pressure levels without risk of failure.

The standard design pressure for indirect vaporizers is established to be 250 psig. This pressure rating is selected because it adequately accommodates the operating conditions typically experienced in propane applications. The safety and efficiency of propane systems depend on adhering to these standards, which govern the materials, welding processes, and design features necessary to ensure the vessel can withstand operational pressures safely.

In contrast, the other pressure values mentioned do not reflect the established standards for indirect vaporizers. Higher pressures such as 300 psig or 350 psig could imply unnecessary over-specification, potentially increasing costs and risks associated with materials used. Lower pressures like 200 psig may not meet the requirements for safe operation under the typical conditions that indirect vaporizers are expected to encounter. Hence, the design pressure of 250 psig serves as a well-considered benchmark in the propane industry.

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