Choosing The Right Oil Filtration System

Various factors affect a buying choice: client preference, salesperson skill, the weather, atmospheric pressure and the air in the store, etc.

In the industrial world, there are technical parameters and circumstances which form the opinion of the potential equipment owner.

Most systems for removal of solid particles from various petroleum based liquids, such as industrial, hydraulic and motor oils, use filtration.

Many manufacturers specialize in offering a wide range of solutions, producing many systems and units for filtration of transformer, hydraulic and turbine oil, complete oil reclamation systems and the like.

Purchasing equipment for used oil filtration saves on disposal and new oil purchase costs, along with offering an environmentally friendly solution to the waste oil problem. Besides, purification of oil extends the lifetime of oil filled equipment.

Here are some of points on filters worth noting:

  1. Physical filter size: this key component of a purification system must be relatively small to ensure rational unit design and, possibly, mobility.
  2. The results of filter testing: oil filters may be evaluated in many ways, but the most common method is the beta-ratio. This is the ratio of the number of larger particles entering the filter, and the number of the same particles downstream from the filter. If the beta-ratio is 10, it means that from 10 particles entering the filter, the filter fails to capture only 1.
  3. Pore size.
  4. Capacity, flow etc.

According to a General Motors research, published by the SAE, engine lifetime can be extended by a factor of 8 by going from the standard 40 micron filters to 5 micron.

It means that the process of developing new filtration solutions is not over and new products appear in the market very often.

Industrial users joke that oil is never a waste oil, it’s only dirty oil. At any rate, the reliability of various oil filled systems is ensured by the purity of the oil in them.

This leads to the conclusion that changing the oil is not always required, as long as the oil is kept clean. Oil purification systems remove acid, ash and sludge from the oil, as well as water and solved gases.

However, when selecting this kind of product, it should be treated very seriously. Not all filtration systems are created equal. Some advertizing materials are designed specifically to confuse the client. Leaflets and brochures seem nice, but can hardly be considered proof.

The client must make sure that the filtration system offers the right benefits to the facility. Asking the right questions when buying the unit and selecting a concept for its implementation before buying is always a good idea.


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