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3 Tips for Selecting a Pump for Irrigation

Saving time and increasing profitability is essential to a successful season. Selecting the right pump for an irrigation application will help you reduce man-hours and time in the field, allowing you to move on to the next job faster. On the other hand, incorrect sizing can lead to low pumping efficiency and may negatively affect energy consumption and cost or may result in the irrigation system not performing at all – this will affect your bottom line.

The following tips will help you to select a pump that is well suited for the job, allowing you to move on to your next job with confidence.

Tip #1 – Know your GPM

Knowing the Gallons Per Minute (GPM) your system requires is the first step in pump sizing and selection. Refer to the specifications for your sprinkler heads – each sprinkler head requires a specific GPM. Once you know the GPM each sprinkler head requires, multiply that number by the amount of sprinkler heads that are present in your largest sprinkler zone, and you will have the total GPM your system requires.

Tip #2 – Know what kind of power you have available

The available power source is very important to identify and is a valuable step in pump selection – you will need a pump that can run efficiently off of the power available at the application site, without sustaining damage. Will your pump be electrical, or gas driven? What voltage and phase do you have available? Collecting this information early will save time and frustration later!

Tip #3 – Know your water quality and accessibility

Knowing your water source is a crucial component of pump sizing and selection. Accessibility, proximity to the irrigation system, available pressure or required lift, and water quality are all important considerations in pump sizing and selection. Here are some things to consider:

  • How far away is the water source – long pipe runs may require increased performance to compensate for friction losses.
  • Is it pressurized – domestic water sources or gravity fed systems may have some incoming pressure to consider.
  • Is the water dirty or filled with debris – filtration can help to avoid damage to the pump and may also create additional friction losses.
  • Is the water source easily accessible – will you need any special fittings, hoses, or valves to access the water?

Avoid frustration and hassle by gathering the info you need in order to select the correct pump for the job.

For more helpful tips, and for help selecting the right pump, call the experts at the Ewing Pump Hotline: 1-844-PUMP-PRO

TAGS: Irrigation System, Irrigation Solutions, Irrigation Basics, Irrigation, Munro, Pumps, Irrigation Pumps