Hydrogen pipeline design specification colors

Quick answer：

Hydrogen pipeline design specifications often include color coding to indicate the type of material, pressure class, or gas content. These colors are standardized and can vary depending on the country and the specific standard followed. For instance, in the United States, ANSI/ASME B31.8S standard is commonly used for hydrogen pipelines, which provides guidelines for color coding. It is important for engineers and safety personnel to be familiar with these colors to ensure proper identification and maintenance of hydrogen pipelines.