The Importance of Properly Sealing your Hydraulic Equipment

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Do you want to get the best out of your hydraulic equipment? It is important to ensure that everything runs smoothly if you want to keep your system working well, and avoid an expensive repair bill. There are a number of issues that can cause problems in hydraulic systems, and faulty seals are one of them.

What do the seals do?

Seals are used in a variety of hydraulic components including hydraulic cylinders, hydraulic motors and hydraulic valves. The seals are in place to prevent contamination, specifically from dirt and debris getting into the machine, and prevent external leaks of hydraulic fluid.

Seals protect your hydraulic equipment but if they aren’t properly installed, dirt can get into your machinery and cause damage. There are a number of issues that can be caused by improperly sealed equipment, including:

•    Damage to machinery.
•    Liquid leaks.
•    Contamination of machinery and liquid.

How can I be sure my hydraulic equipment is properly sealed?

Make sure your hydraulic equipment is well sealed, so you can avoid any damage or leaks from faulty seals. There are a number of causes of faulty seals, and it is always a good idea to check your seals regularly to make sure there are no signs of damage. Some of the things that can cause your seals to fail include:

•    Improper installation.
•    Chemical erosion.
•    Heat erosion.
•    Contamination.

Many of the factors that can lead to problems with seals can be easily avoided.

Installation

When installing a new seal, always make sure you choose one that is appropriate for the application. Improper installation can result in seal failure due to cleanliness, unsafe handling or contamination. It’s a good idea to speak to a professional if you are unsure which seal is the best to use for your application.

Heat erosion

Exposure to heat over time can cause the hydraulic seals to bake or melt and then become brittle and crack. Temperature and constant friction can decrease the seal’s life expectancy so it’s important to keep an eye out for any early signs of cracking. Some seals are made of heat resistant material and these can be useful to reduce the likelihood of heat erosion becoming a problem.

Chemical erosion

Chemical erosion happens when the chemicals in the application degrade the seals. It is a good idea to consult a professional when determining what type of seals to use, as some materials react differently depending on the lubrication and type of chemicals involved in the application.

Contamination

Contamination from dirt, powders and other small particles can get into the hydraulic piston and make the seal dirty. This can impede the ability of the seal to stop contaminants entering the piston area and lead to damage. To prevent contamination, make sure the seal is installed correctly and that it is clean when it is installed. Any liquids used in the application should also be cleaned of any debris.

It is essential that your hydraulic equipment is properly sealed if you want to prolong its life, and reduce the chances of damage.

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