What ASME code denotes a high-pressure power boiler?

The ASME code that pertains specifically to high-pressure power boilers is denoted by the letter 'S'. This code outlines the requirements for the design, fabrication, inspection, and testing of power boiler components and systems that operate under high pressures and temperatures, ensuring safety and reliability in their operation.

High-pressure power boilers typically operate above 15 psi steam pressure and are used in power generation and various industrial processes. The 'S' code is part of a broader framework of ASME codes, which cover different types of equipment and service conditions.

In contrast, the other codes like 'A', 'B', and 'C' are associated with other types of pressure vessels, piping, and related components but are not specific to high-pressure power boilers. For example, 'A' typically refers to specifications for ferrous materials, while 'B' may relate to the standards for blacksmithing or pressure piping, and 'C' is more focused on pressure vessels used in low-pressure conditions. Hence, the use of the 'S' code is critical in ensuring compliance with safety standards for high-pressure boilers.