Friday 22 February 2019

What A Double Diaphragm Pump Is And How It Works

By David Phillips


One of the most important pieces of equipment for managing huge amounts of liquid would be the pump. Now, if one is transferring a lot of liquid of various types such as chemicals, solvents, and so on, then he or she will need what is known as a double diaphragm pump. This sort of pump is a very reliable and efficient pump with a robust built able to take those liquids.

When one would want to understand more about this piece of equipment, one would first have to know how it works. This type of pump makes use of two diaphragms that would pump liquids in and out of a liquid chamber. One of these diaphragms would pump the water in while the other one would be pushing the water out, both at the exact same time.

Now, the two diaphragms are actually connected to each other by an air valve and a really big shaft where. One very important thing to remember would be the function of the air valve which is to direct the air pressure in the pump, thus directing the movement of the water or liquid itself. Basically, the movement if fluids is done in two strokes with the first stroke being the first diaphragm pushes water out and the second one pulls water in.

At the same time, air is being moved from the second one to the first one so that there is pressure created. Eventually, the liquid that is coming in would then be stored in the liquid chamber for use. After the liquid moves to the expelling section of the pump, then the next stroke will start.

In the second stroke, the two diaphragms will then switch function. The first one will switch to the function of pumping in the fluid and the second one will be forcing out the fluids instead of the other way around. While that is happening, the direction of the air pressure switches as well. So when the pump is in motion, it will go though both the first and the second stroke first before it repeats the cycle.

One may be wondering now why this type of pump is preferred as compared to others in the market. The reason would be because of versatility. It can actually take a lot of different liquids of different consistencies.

As mentioned above, these pumps are really good for chemicals and solvents. Aside from these two types of liquids, they are also good for thick and sticky liquids such as dirty water, gel, oil, cream, and liquidized foods. Lastly, they are also useful for pumping and filtering out some small solid materials that can usually be found in dirty water.

As one can see, this type of pump has so many uses that other pumps do not have. When it comes to the handling and transferring of the really dangerous or the really hard liquids, then this is the piece of equipment that one should have. It is a very reliable, resilient, and robust type of pump able to take almost any kinds of liquid. That is why there are so many companies in the manufacturing industry that use it.




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