How Do Centrifugal Pumps Work?
Centrifugal pumps are high flow, low-pressure pumps that can deliver pressure ratings of anywhere from 0 to 150 psi and flow rates up to 440 GPM.
How exactly do centrifugal pumps work? Well, if you are feeling a bit technical, here’s a simple explanation: On a centrifugal pump, the liquid enters through the middle into an impeller that forces the liquid into the outlet of the pump.
Centrifugal pumps are known to be heavy-duty and durable due to fewer parts and minimum wear surfaces. Another great feature is they are easy to clean and maintain.
They can be used in a variety of applications including agricultural and industrial spraying. They come in different materials such as cast iron, stainless steel, and even polypropylene, making them capable of handling a variety of liquids and chemicals. They are mostly used with water, insecticides, herbicides, wettable powders, emulsives, and liquid fertilizers, just to name a few. Some centrifugal pumps, specifically those made from polypropylene, can handle acids and other corrosive liquids.
Powering Centrifugal Pumps
Centrifugal pumps can be powered by different methods - the most common include:Â
Tractor/PTO and Belt-Driven Centrifugal Pumps
This series is specifically designed for easy use with tractor mounted sprayers. They can handle big, high-capacity spraying jobs with ease and are easy to install/uninstall.
Pressure ratings: 62 - 104 psi
Flow rate: 82 - 140Â GPM
Speed: 600 or 1000 rpm
Gas Engine-Driven Centrifugal Pumps
As their name describes, this series can be mounted onto a gas engine. They are available with or without a mounting base for easy and secure installation, depending on your engine. Need a pump that can tackle more than just spraying? Fill tanks, water seed beds and transfer liquids fast and efficiently with Hypro’s centrifugal pumps.
Pressure ratings: 65 - 140 psi
Flow rate: 98 - 150Â GPM
Hypro hydraulically-driven pumps are capable of achieving high speeds while providing smooth performance. One of their advantages is that they can be easily mounted on a tractor or sprayer.  Another great feature is Hypro's "close-coupled" design which saves space on the rig.
Pressure ratings: 120 - 180 psi
Flow rate: 100 - 214Â GPM
Hydraulic ports: 1/2" NPT inlet, 3/4" NPT tank
There are a lot of other options when it comes to spray pumps, each better-suited for a variety of applications. If you need help choosing the ideal pump for the job, our knowledgable customer service technicians are available to guide you in selecting the right pump!
Centrifugal Pump Repair
The following are videos on completing repairs on Hypro centrifugal pumps.
Hypro Centrifugal Pump Service Video - Part 1
Hypro Centrifugal Pump Service Video - Part 2Â
Hypro Centrifugal Pump Service Video - Part 3
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Kings Steel Sprayers are built on steel frames, designed to stand up to harsh conditions and use, while offering cost savings over the original aluminum frame Kings Sprayers. They are an ideal entry-level sprayer for those just entering the spraying industry, or those who spray more infrequently.Â
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