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subject: How Shaft And Conveyor Seals Are Used In The Processing Industry [print this page]


The engineering industry, seals play an important role within the associated processing environment. It is imperative that the seals function correctly in order to prevent contamination. Shaft and conveyor seals are two types used within today's processing environment.

Within the engineering environment, it is vital to ensure the prevention of contamination. Within the processing environment, the use of various types of seals helps to prevent this. More specifically, this includes the use of shaft and conveyor seals.

Mechanical Seals

Mechanical seals refer to a device, which acts to supplement several mechanisms while under pressure to join. Commonly, mechanical industries employ mechanical seals for specialized high-pressure applications. In addition, they are common within plumbing systems as well. In general, mechanical seals provided the required amount of reconciliation, in addition to seating for things such as the compressor housing, spinning shaft, or stationary pump.

Usually, they contain either a bushing or ring, which is mounted and has a stationary seal within the spinning shaft or O-ring. One example of a mechanical seal is a plug. A plug normally consists of a sponge-like material, which is either cork or rubber. Plugs placed within a hole, causes mechanical pressure by pressing against the exterior of the hole. Most mechanical seals work by screwing things together.

Shaft Seals

The shaft seals one type of mechanical seal. This type of seals used as a single coil spring, which has an elastomeric bellows. They consist of a precise design and are common in various applications, which require exposure to water, oil, and light. Furthermore, they are resistant to corrosion.

Shaft seals tend to work great within environments with high temperatures. One common use of shaft seals is for the sealing of rotary shafts. Additionally, they usually have a high level of chemical resistance against things such as aggressive media. Furthermore, they are good to use under dry operating conditions in addition to areas where there is a low amount of lubrication for their use.

Conveyor seals

Conveyor seals work similarly to shaft seals. Both types have the purpose of preventing contamination. Additionally, this may include the prevention of materials escaping from the system.

Some of the advantages with conveyor seals, relates to how they require less maintenance. Ultimately, they work to prevent bulk material leaks into screw conveyors. By doing this, they help prevent contamination, as well as high rates of bearing failures. Another advantage with the conveyor seals has to do with the way they create a non-leaking and positive seal between the rotating shafts, as well as the end plates of a screw conveyor.

Overall, all of the seals work similar to one another in regards to how they work. They all have the main purpose of preventing something from leaking or something from getting in. Ultimately, they all vary with the amount of quality they offer and depend on the type of product bought.

by: Andrew Long




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