Float balls are objects that easily float in most fluids in the world due to the material used to make them as well as their shapes. The object shapes vary from cylindrical to spherical. They are also made of very strong material much as it must also be buoyant enough to serve the purpose. However, the material must be either rigid or flexible but must withstand different pressures occasioned by fluids.
The main use of float balls is in monitoring fluid levels within containers. It is for this reason that they are used to demarcate surface levels of fluids in containers. Checking of fluid levels also allows float balls to be used in translucent balls. All float balls work mainly on the premise of buoyancy. The specific gravity of the material to be used must always be less than that of the fluid in which the float balls are to be used. This is what guides the type of material that is to be used for making the float balls.
Plastic and stainless steel are the main materials used to make float balls. The choice of the two materials is informed by several factors. First of all, plastic is very light hence it floats easily in all fluids universally. Application of plastic float balls therefore cuts across many sectors. There are other factors that can however inhibit the use of plastic float balls. For instance, the type of fluid for which the float balls are required is a very important factor.
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Plastic does react with some fluids. Much as plastic is buoyant enough in such fluids one needs a different material to make float balls. Stainless steel is a good choice. The reason why stainless steel is a good substitute for plastic in some fluids is mainly because it does not react with many fluids. The chemical composition of most fluids does not include chemicals that would react to stainless steel.
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Different sectors of life use stainless steel float balls. First of all, they are applied largely in the food industry specifically in food processing. Tanks that are used to store fluid ingredients need float balls so as to monitor remaining levels of the fluids. Since foods may have chemicals, it is advisable to use stainless steel float balls. Food tanks also have high pressure hence necessitating the use of strong steel fluid balls.
Float balls are also used in chemical engineering yet again to check fluid levels. The industry makes use of highly corrosive chemicals. Stainless steel does not however react with most known chemicals used in chemical engineering. Pressure and temperature are also common aftermath of industrial chemical reactions. Such conditions can only be curbed by using float balls that can stand such extreme conditions. Yet another reason for using stainless steel float balls in chemical engineering. The other area where stainless steel float balls are used is in demarcation of fluid levels of water and sewage in vacuum trucks that transport these two fluids.