Why Does A Compressed Air Filter Need A Moisture Separator?

Why Does A Compressed Air Filter Need A Moisture Separator?
4 min read

If your air filter already has a compressed air dryer installed, you might wonder if you need an air moisture separator or not. While it may seem redundant to install another product but without pairing the two together, your system will experience costly issues.

What are Moisture Separators?

A moisture separator is a device that is used to remove water from compressed air. This device is employed by several industries such as automotive, food and beverage, pharmaceutical, and textiles. Moisture separators are also used to prevent corrosion, rust, and condensation in airlines and equipment.

What are the Risks of Moisture in Compressed Air Filters?

Atmospheric air has the presence of water vapour and the compressor of the air filter brings both air and water vapour straight into the airflow. When the air volume becomes smaller during the compression process, there is less room for water vapour. On the other hand, when the vapour's space shrinks, it condenses into aerosols and then coalesces into liquid form. Air has the capability to hold a given amount of moisture in vapour form at any given temperature.

When the water vapour move downstream, the air temperature drops which allows more water vapour to condense into aerosols and then liquid. As a rule of thumb, for every -6.7°C drop in temperature, the capacity of the air to hold water vapour reduces by 50%.

How Can Moisture Affect the Working of Air Filters?

Moisture can prevent certain instruments from operating correctly, lowering their performance and lifespan. It can also reduce production by causing equipment to malfunction or fail, which can result in delays and downtime. In order for the filter to function, compressed air must be forced through a number of filter components that capture water droplets and other impurities.

The filter elements are made to eliminate moisture and impurities of different sizes, resulting in pure and dry compressed air. The moisture separator, which is normally put after the filter elements, is also part of the filter. A baffle or cyclonic action is used by the moisture separator to remove any leftover moisture from the compressed air.

Reasons to Use Moisture Separator

A moisture separator is required for a compressed air filter for a number of following reasons –

  1. Helps in Maintaining Cleanliness

A moisture separator aids in maintaining the compressed air's cleanliness and dryness, which is crucial for the efficient operation of machinery that uses compressed air. The filter helps to avoid corrosion and equipment damage by eliminating moisture from compressed air, ensuring that it performs properly and efficiently.

  1. Reduced Energy Bills

A moisture separator can assist in lowering the cost of energy used to compress air. Moisture in compressed air can increase the pressure drop throughout the system, decreasing system efficiency and driving up energy costs. The moisture separator helps to maintain pressure and save money on electricity by removing moisture.

  1. Protects your System

Both dryers and water separators in the air filter can help you save money by eliminating the many costly issues. Water separators are highly efficient; provide reliable performance in a wide range of applications. The water separators have the capability to remove up to 99% of the liquid water from compressed air which makes it an economical and efficient solution.

Conclusion

Any application that employs compressed air requires a filter with a moisture separator. For equipment to operate properly and to avoid corrosion and damage, clean, dry compressed air is essential, which the filter helps to guarantee. The filter also contributes to lower energy costs and greater efficiency by eliminating moisture from compressed air. You should buy moisture separators for air compressor because it helps in improving airflow by eliminating aerosols and liquids.

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Leo russell 2
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