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A trademan's life


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A trademan's life

On the back of the mining boom it's finally cool to be a tradie again - and thank goodness because I can't think of anything worse than being a desk jockey! The trick to earning big dollars at the moment isn't having a fancy law degree - it's being good with your hands and able to to fix and maintain any industrial equipment. Everyday is a new challenge in this job, with new problems coming up all the time. You'll never get bored! This site has loads of tips and tricks on maintain common and uncommon industrial and mining equipment.

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Your Complete Guide to the Air-operated Double Diaphragm Pump

Air-operated double diaphragm pumps are among the variety of displacement pumps available in the market. Just like its other counterparts, the pump relies on the displacement of air to create a vacuum or space that facilitates the flow of fluid from one point to another. If you are looking for a pump for your business or industrial applications, here is your complete guide to understanding the air-operated double diaphragm pump:

How the Pump Works

Air-operated double diaphragm pumps come with an air-valve mechanism used for moving the diaphragm rod. Highly flexible round discs (the diaphragms) are fixed on both ends of the diaphragm rod such that the whole thing resembles a big dumbbell. The diaphragm rod moves back and forth in a horizontal alignment, making the round discs displace the fluid that they are in contact with. A pilot spool is installed above the diaphragm rod to regulate the rod's movements and make sure that it doesn't swing out of the desired jurisdiction. The back and forth action of the diaphragm rod, pilot spool and the diaphragm plates allow air to enter the chamber via the top rod.  This cases pressure differences between the two diaphragm plates, meaning that they will keep displacing the fluid to create a continuous flow.

Materials Used to Make the Pump

Unlike some of the pumps available in the market, air-operated double diaphragm pumps can be made from different materials. This includes cast iron, stainless steel, valve elastomers and other special metal alloys. You can choose the pump material to meet your performance needs and expectations. For instance, stainless steel and special alloys are suitable for you if you live in a coastal environment where there is lots of salty water. The pump will also stand up well to corrosive elements present in natural rainwater in coastal regions.

What Air-operated Double Diaphragm Pumps are Ideal For

Besides pumping water, air-operated double diaphragm pumps are ideal for a host of other business and industrial applications. Their unique configuration and design enable them to transfer liquids that are highly viscous and abrasive, enabling you to use them for more than one purpose. A good example is a manufacturing firm where waste conduit pipes can be used to transfer various forms of liquid waste, some of which is harmless (like wastewater) or hazardous (like ammonia). Due to their self-priming attribute and the ability to remain in good condition even when they "run dry," air-operated double diaphragm pumps are ideal for conduit lines that you don't keep careful watch over yet they have highly fluctuating fluid levels.