I Say Duplex, You Say Tandem, Let’s Call The Whole Thing Pumped!
If you ask the internet about duplex pumps (What are they? How do they work? Why would or should you use them?), you will get a variety of answers.
Some sound like they are talking about two pumps, usually with a shared source, that may or may not work together. Others sound more like two offset pumping mechanisms in one mechanical unit. That’s two very different concepts to be linked by one name.
So which is it? Are they interchangeable? Does it matter? Let’s take a look.