What is the purpose of a union fitting?

A union fitting is a specific type of plumbing connector that plays a crucial role in the assembly of piping systems. Its primary purpose is to allow for the easy disconnection of pipes, which is particularly beneficial during maintenance or repair work. This means that if a segment of the piping needs to be replaced or serviced, the union fitting enables this without requiring the entire system to be dismantled, hence enhancing efficiency.

In addition to maintenance, the design of a union fitting typically includes a threaded or slip connection that allows for easy assembly and disassembly. This flexibility is vital in irrigation systems where components may need to be adjusted or replaced frequently due to wear, seasonal changes, or system upgrades.

While the other options address various aspects of irrigation and plumbing, they do not align with the primary function of a union fitting. Unions do not inherently increase water pressure, facilitate water filtration, or specifically strengthen piping connections. Instead, their defining feature is their ability to simplify the process of connecting and disconnecting pipes, making them indispensable for maintenance tasks in irrigation systems.