The turbomolecular pump is a complex piece of equipment that is similar to a turbopump in many ways. It is used primarily to create and maintain an artificial vacuum.
The turbomolecular pump can be used in several different applications and it is well known for its effectiveness and versatility. It has been one of the most sought after tools for creating an artificial vacuum since it was first developed in the 1960s. Today’s designs are a direct result of the work of researchers form the Massachusetts Institute of Technology.
Although it may seem complicated at first, the theory of operation behind the turbomolecular pump is not that difficult to understand. Most of these pumps operate by using a series of stages by using rotators that are mounted in pairs. Gases are captured in the upper stages and are forced down into the lower ones until they are compressed enough to create a vacuum. These machines are highly reliable and have seen a lot of improvement since they were first introduced. They are able to pump out heavy amounts of gas at a constant rate.
Today you have many different types of turbomolecular pump offered by several different companies. While this gives you more of a choice, it also can make purchasing the best one for you difficult. A few of the more trustworthy sellers of these machines include Leybold, Lesker, and Edwards. However, you will find after just a little bit of research that there are many others.
When you are purchasing a turbomolecular pump, you have to make sure that you are buying one that will be best suited for its intended application. This can usually be determined after just a little online research, but if you are not having any luck contact the manufacturer of your system and ask them what is recommended. The difficult part about choosing a turbomolecular pump is the fact that the manufacturers of these machines are not given any specific regulations concerning assigning a specific performance for their pumps, such as the speed and compression ratio.
If you are looking for general recommendations, the Edward EXT 70 is one of the more trusted models of turbomolecular pumps on the market and can be used in a wide range of applications. It offers the following features:
• Water cooling standard with forced air cooling as an option• Lifetime lubricated bearings• Oil free operation• Little to no vibration• Set your own user defined parameters
If you are having a difficult time finding one of these machines at a price you can afford, it may be in your best interest to purchase a used or rebuilt model. When doing so however, it is a good idea to find a place that is close to you so if you have problems with the merchandise returning it will be easy. It is also safer to buy from the original manufacturer as they can provide you with certified rebuilt and pre-owned products.
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