The role of filters and strainers is to get rid of contaminants and pollutants from water and other liquids. They also help in removing debris that could damage downstream machines and assist in maximizing the manufacturing efficiency. This article explores various factors that you must look at when choosing a filter and strainer for your application.
Features Of The Material Or Particles
It is important to understand the type and size of the particles that need to be filtered as it will give you an opportunity to choose the right micron size for the filter. For instance, water from the well contains inorganic debris like sand while the surface or pond water will have large organic matter like leaves and algae. In most cases, organic materials will need a smaller screen to catch the sand and sediment that can go through a large one.
Maximum Operating Flow
The rate of flow plays a vital role in determining the size of filter like the APOLLO STRAINER you will need. For instance, a 2 inches filter that can hold 100gpm flow cannot be used in a system that operates at 150 gpm. In case you are required to operate at a maximum flow id 150gpm, then selecting a larger size filter is the best alternative.
Minimum And Maximum Operating Pressure
Since all filters are rated for a maximum pressure of operation, it is imperative to have a correct measurement of maximum pressure when sizing and choosing a filter. While the minimum operating pressure is not a necessity for all types of filters, it is essential when it comes to choosing an automatic and self-cleaning filter for your application. The moment the flushing mechanism of the filter is affianced, minimum operating pressure should be maintained.
Pressure Drop
This is the decrease in fluid pressure in a piping part such as a filter. When liquid is forced via the filter media where pollutes are eliminated, it changes its direction multiple times. This activity leads to some amount of resistance to the liquid flow causing lower pressure after the liquid passes via the filter. Numerous aspects cause the pressure drop and this includes the contaminants available, a rate of flow, viscosity and filtering media.
The primary reason why you should pay attention to pressure drop is that when the filter or strainers starts to fill, the pressure drop will go up as the trapped debris reduces the surface area of the filter. When it reaches a point where the pressure to overawe this is high, the expected flow via the filter will be compromised.
Cost Of Operation
Automatic and self-cleaning filters are recognized to have a high initial cost when you compare them with manual filters and strainers. When it comes to deciding between automatic and manual filtration, or just choosing filtering media, use the following criteria associated with cost.
• The cost of labor and downtime for the filter
• Manual labor expenses when it comes to washing a strainer
• Cost of disposing of the waste
• Operator and environmental exposure risk
Bear in mind that not all filtration media are suitable for highly toxic substances. For this reason, you need to define if the operator and environmental exposure to the substance is accepted or not when intending to filter it.
While selecting a SQUARE D TRANSFORMER or GE TRANSFORMER might appear to be an easy and straightforward task, there are some of the things you must consider to ensure that you get the right product.

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