What does the acronym WOG stand for?

The acronym WOG stands for Water, Oil, Gas. This term is commonly used in plumbing and piping to specify the types of media that can safely flow through pipes and valves. Understanding this acronym is crucial for plumbers because it indicates the appropriate application of materials and fittings in different plumbing systems. For instance, when selecting a valve or piping for a system that will carry water, oil, or gas, a WOG rating assures the plumber that these elements can be handled safely and effectively, ensuring a reliable installation.

In plumbing, proper identification of the substances that will be flowing through the systems is fundamental to prevent leaks, failures, or hazards. The other acronym options provided do not relate to commonly accepted industry terminology in plumbing, hence they are not utilized or recognized in practice.