Some Important Things To Know Before Picking Shaft Seals

By Gwen Lowe


The decision to choose a shaft seal for specific application can be encircled by doubts and dissatisfaction. Considering that a person has to choose from the various shaft seals available that have different specifications, making an informed decision on which to choose can be a great challenge. However, there are various factors, which people should consider to make their selection simpler.

One of the main factors to consider when choosing a seal is the variation in temperature between the shaft and the seal. Naturally, seals tend to wear out if exposed to applications where the operating temperature exceeds the temperature of the seal. Therefore, in order to improve the lifespan of your shafts, it is advisable to choose a seal, which has the same temperature range as your device.

Normally, seals are not created with the ability to endure the impacts of pressure. Therefore, exposing them to high pressure can reduce their lifespan and performance. With the improved technology, nowadays some designers are creating custom-made sealing materials to meet certain specifications. Before choosing, it is important to determine if the seal you choose can meet the operating specifications of your shafts.

The type of finish is another essential factor to consider. When poorly finished shafts are sealed, there may be very high possibilities of leaks and excessive wear and tear. As well, if the direction of the finish marks does not move towards the fluid when the shafts rotate, this can lead to untimely malfunctioning of such systems. To ensure your devices can work to meet their specifications, you should make sure the shaft surface is well conditioned.

People also need to choose a seal that matches their desires and specifications. A person is required to decide whether to go for leather or synthetic seals. Before you decide to choose any of these two, you need to remember that rubber can resist the impacts of shaft finishes better than synthetic. In addition, rubber generates a self-lubricated sealing with no or little lubrication.

In order to select the most appropriate coat for your special application, it is also important to know whether it can meet the operating specifications of such shafts. In most cases, designers create certain coats depending on the conditions of the environments on which they would be used. It is important to know whether the potential application is corrosive or not as the coats made for use in corrosive conditions would have better resistance than the ones that are not.

The speeds at which certain shafts move vary greatly. The best seal to suit for specific applications depend on the finish, run-out and the eccentricity of the shafts. The quantity and the type of lubrication can affect the type of seal to be used. As such, you need to consider these factors before you decide to choose certain sealant.

People consider many things whenever choosing and shopping for certain products. These range from the quality, performance and the design of such products. These are also some of the main factors to put into consideration when choosing a seal for your shafts. You should make sure you know them before making your decision, as this would help you get the best products.




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