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Selecting The Correct Shallow Well Pump
The power is in the irrigation pump! A less than optimal irrigation pump means less than optimal pressure to the sprinkler head, resulting in anemic water flow. The heart of most irrigation systems is a pump. To make an irrigation system as efficient as possible, the pump must be selected to match the requirements of the water source, the water distribution system, and the irrigation equipment.
When you begin the process of selecting an irrigation pump, it’s important to take into consideration all of the conditions under which the pump will operate. This means taking a look at:
- The source of water — well, pond, river, etc.
- The pumping flow rate to your sprinkler system.
Centrifugal pumps: Most of the irrigation pumps out there will fall into this category. This type of pump uses an impeller, which is a part that rotates to transmit motion into a device, resulting in it spinning the water rapidly in either a casing, chamber, or housing. We call this spinning action centrifugal force, which is a force responsible for moving the water through the pump. Sometimes these irrigation pumps will have several stages where the water will pass through the different stages to increase pressure.
Before starting the pump, there needs to be water in the intake pipe and the casing. One of the most important steps is that you prime these sprinkler pumps before the first use. You can do this by filling the case with water and quickly turning the pump on. The pump is designed to suck water, not air, so you must have water in the pump in order to enable the water to move into the pump. There’s no need to prime the pump before every use, because there is a small check valve that holds the water.