How to Pick the Perfect Specialty Water Pump
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All water pumps are built for the same purpose: moving water.
But there are specialty water pumps
made to transport liquids and solids to and from places in unique ways, and in this article, we'll show you different tasks that use a specialty water pump to get the job done right.
For the best results, you should always get a water pump intended for the specific task at hand, because each type of pump is designed for a specific purpose.
Sprinkler pumps are used to pump water from alternative sources to landscape sprinklers. Instead of using city water, save money by pumping water from a pond or lake to irrigate your lawn. Look for a self-priming model, which will save you time to get the pump going.
Gallons per minute (GPM) ratings will help you determine the pump size you should be going with. With sprinkler pumps, it's all about sizing the pump based on both GPM & PSI requirements.
One of the best benefits of using a sprinkler pump is that you can operate more than one sprinkler head at a time if everything is sized properly.
Sometimes called trunk pumps, PTO water pumps are high-output pumps that move massive amounts of water in little time. These types of pumps are loved by farmers or workers in the agricultural industry because these pumps can attach directly onto the back of a tractor, making the most of a heavy pump's mobility. PTO pumps can prime in seconds and are designed to last for years because of heavy-duty materials and no need to maintain the engine.
PTO Pump Buyer's Guide
Want to be the envy of the neighborhood?
Pond and fountain pumps
make water features simple and easy to install. They can also be used in aquariums, and these pumps are great for filtration or powering waterfalls and small streams around your property.
Fountain and pond pumps are rated for continuous duty and operate quietly, so they'll work for as long as they're plugged in, and some models allow you to feed two water features with the same pump. If you plan on using one for a pond with fish or other aquatic creatures, make sure the pump is oil-free in design (almost all are oil-less).
How to Winterize a Fountain or Pond Pump
Pool and pool cover pumps do exactly what you might guess-remove water from pool covers. Pool covers can be very expensive so you want to do everything possible to keep yours in top shape. Look for a pool cover pump with a float switch because it will shut off automatically when there is no more water to pump.
A great feature of pool cover pumps is a raised skimmer base like pictured above, which keeps the suction away from the pool cover. Make sure the pump has standard garden hose discharge threads (3/4").
Electric chemical pumps
are unique because they can be used to pass corrosive and non-corrosive materials that are both liquid and solid. They are ideally used for applications where liquid chemicals need to be transported, such as
detergents, ethylene glycol, oils, and acids.
However, non-chemical applications are also common for chemical pumps, which can also be used to pump beverages, fruit juices, coffee, milk, or cream. Never attempt to pump any type of flammable liquids; these pumps are not designed to handle them.
Drill pumps are used with electric or cordless drills to drain sinks or other equipment, such as washing machines. There is an inlet valve, a discharge valve, and a part to attach to the drill. Unlike larger types of water pumps, you can connect a garden hose to the discharge valve instead of a high-quality discharge hose.
The drill spins the impeller creating centrifugal force, sucking out all standing water to drain clogged sinks and other items. Keep in mind these pumps are intended for very small jobs, so don't expect the power of a regular water pump in such a small package.
Condensate pumps are used to deal with condensation created by home air conditioners and mini-splits. In the hot summer, air conditioner coils produce a lot of condensation as they release moisture captured in the hot and humid air as it cools. This is especially problematic if you do not have a floor drain nearby.
You hook the condensate pump up to the drain valve on the HVAC unit. Then you connect a discharge hose to the pump. When the 2-quart reservoir on the pump starts to fill, it will kick on and pump the water away from your air conditioner.
NEXT: View the Best Water Pumps of the Year
By Jim O.
Water Pump Expert
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Thread starter
newton
Start date
Jan 11,Tags
In summary, a centrifugal pump may be suitable for this application, but it is complicated to select one and there are many different brands and models to choose from.
For more information, please visit Huakai Anti-Corrosion Equipment.
newton
Hi All,
i have a requirement to design a pump to pump litres of water a day at 40 mtr. head. which pump will be most suitable for this application and cheap??
can anyone of you help me in this subject ?
and also where can i refer to design that particular pump?
thanks in advance to all of you!
Science Advisor
Why design a pump from scratch? Why not just establish your piping requirements and look for a centrif that suits the application?
bigaggie
FredGarvin said:
This. It's complicated enough selecting a premade pump for a particular application, there's no need to try to design one from scratch when there are multiple different brands that have pumps for nearly every possible situation.
dr dodge
and if they break, you have a mfg warrenty, instead of you assuming the liability
dr
Mentor
I'm guessing there is a language barrier here and the OP actually wants to select, not design a pump.
Try paging through the Bell and Gossett catalog, looking at the pump curves, etc. It's all available online.
bigaggie
Well, even if he is selecting a pump, you have to know a TON of information. Generally you can't even get an applications engineer at the companies to quote you without:
1) Desired Head
2) Suction Head Available
3) Desired Flowrate
4) Fluid service (more often than not they want the specific gravity of the fluid here)
And the next question is usually the temperature that the fluid will be at. It also depends what your specific use is going to be: if you're simply moving fluids, a centrifugal will do fine, but if you're more worried about injecting fluid into the ground (a la oil well stimulation) or other high pressure/low volume situations, a reciprocating piston pump may make more sense.
As far as who to buy from, there are quite a few, but the biggest seem to be Flowserve, Goulds, and Sulzer pumps. Each of those guys have an extremely wide variety of pumps for nearly every conceivable application. Or if you go the piston route, Gardner-Denver is pretty much tops for that field.
When looking for a cheap and suitable pump, it is important to consider the intended use, the required flow rate and pressure, the type of fluid being pumped, and the overall quality and durability of the pump.
Yes, there are certain types of pumps that are generally cheaper and more suitable for specific applications. For example, centrifugal pumps are often more affordable and suitable for pumping large volumes of low viscosity fluids, while positive displacement pumps are better for handling high viscosity fluids and smaller flow rates.
The right pump size for your needs will depend on several factors, including the required flow rate and pressure, the type of fluid being pumped, and the distance and elevation the pump needs to move the fluid. It is important to consult with a pump expert or refer to pump sizing charts to determine the appropriate size for your specific application.
One way to save money when purchasing a pump is to consider buying a used or refurbished pump rather than a brand new one. Another option is to shop around for different suppliers and compare prices. Additionally, consider the long-term cost savings of choosing a more energy-efficient pump.
To ensure that a cheap pump is still suitable and reliable, it is important to research the brand and read reviews from other customers. It is also recommended to purchase from a reputable supplier and to inquire about the pump's warranty and maintenance options. Additionally, consider consulting with a pump expert to ensure the pump meets your specific needs.
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