Category: Pumps, Hoses, Clamps
Pumps used in the brewhouse
Types of pumps
Despite what all the engineers and pump salesmen will tell you, there really are only two types of pumps; centrifugal and positive displacement. Understand the difference between these two and you are well on your way to understanding pumps. The difference is that centrifugal pumps spins at a high speed and transfers centrifugal or kinetic energy into the liquid in the form of velocity and pressure. The positive displacement pump, on the other hand, transfers a precise measured amount of liquid from the inlet to the outlet for each rotation or stroke of the pump. Let’s look at each.
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Sizing your pump
Once you have selected your pump type you have to select the right size. Pick too small a pump and the problems will be obvious but picking too big a pump can be just as bad. Not only are you wasting your money on an unnecessarily expensive pump, but it can beat up your beer. After all the pump wants to move stuff around and if your pump is too big for your lines, it will cavitate and damage your beer, your pump and your lines and…
So to size your pump you need to figure out a few basic things:
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