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Coalescing Filter Element

Coalescing Filter Element

The coalescing filter element produced and designed by Paier Company, the professional filter cartridge manufacturer, has the dual functions of filtering impurities and coalescing water from aviation kerosene, gasoline, and diesel naphtha, and is an important functional original of the filter separator. PRJ series coalescing filter cartridges can meet the needs of various filter separators used in fixed and mobile filter facilities.

Coalescing Filter Element Types

Coalescing filter element is made of a variety of composite materials by special technology, which has hydrophilic characteristics. It can not only filter out mechanical impurities in the medium, but also separate emulsified water from the medium through demulsification and coalescence, and coalesce it into larger water droplets, so as to further realize the purification of the medium. Coalescing filter elements are available in various types, each designed to cater to specific filtration requirements and operating conditions. These different types of coalescing elements offer distinct features and functionalities, allowing for customized filtration solutions across a wide range of applications. We coalescing filter element manufacturers offer the equivalent of (PECO) coalescing filter cartridge, the equivalent of (Velcon) coalescing filter cartridge, the equivalent of (PALL) coalescing filter cartridge, the equivalent of (JONELL) coalescing filter cartridge and so on. If you are still looking for coalescing filter cartridge, come to contact us for more details of elements.

Coalescing Filter Cartridge Advantage

Glass fiber coalescence filter element High-density gradient glass fiber can efficiently coalesce liquid mist and droplets in airflow, with high filtration accuracy. Stable structure, no shedding of dielectric fibers, no pollution to the environment and downstream products. Good compatibility with various fluids; Good environmental protection, 100% synthetic material, complete combustion without residue.

Coalescing Filter Cartridge Advantage

Coalescing Filter Element FAQs

  • What is a Coalescing Filter Element?

    Coalescing filter element is made of a variety of composite materials by special technology, which has hydrophilic characteristics.

    A coalescing filter element is a type of filter used to remove liquid aerosols, oil mist, and other fine particulate matter from a gas stream. The element typically consists of multiple layers of media, including a pre-filter and a coalescing layer.

    The pre filter cartridge captures larger particles and protects the coalescing layer, which is designed to merge small liquid droplets into larger ones. As the droplets coalesce, they become heavier and fall out of the gas stream, allowing for their removal through a drain.

    Coalescing filter elements are commonly used in compressed air systems, where they help protect downstream equipment from damage and prevent contamination of the final product. They can also be used in industrial processes, such as natural gas and petroleum refining, to remove impurities and improve product quality.

  • What material is the coalescence filter used for?

    The coalescing filter core mainly selects the surface-treated glass fiber or polyester fiber as coalescing medium, and the structure of the filter material is specially designed to make the filter medium have good coalescing performance. The filtration accuracy can reach 0.1 μ m.

    Coalescing filter elements are made from a variety of materials, depending on the specific application and the properties of the gas stream being filtered. The coalescing layer is typically made from materials such as borosilicate glass fibers, polyester fibers, or polypropylene fibers that have been treated to be hydrophobic (water-repellent) or oleophobic (oil-repellent) to facilitate coalescence of the liquid droplets.

    The pre-filter layer, which is used to capture larger particles and protect the coalescing layer, may be made from materials such as cellulose fibers, synthetic fibers, or wire mesh.

    The choice of materials will depend on factors such as the operating temperature and pressure, the composition of the gas stream, and the required level of filtration efficiency.

  • What are the functions of Coalescing Filter Element?

    The main function of a coalescer cartridge is to remove liquid aerosols, oil mist, and other fine particulate matter from a gas stream. This is achieved through a process called coalescence, which involves merging small liquid droplets into larger ones that are heavy enough to fall out of the gas stream.

    Specifically, the functions of a coalescer element include:

    1. Removing liquid aerosols: The coalescing layer of the filter captures liquid droplets that are suspended in the gas stream and merges them into larger droplets that can be removed through a drain.

    2. Removing oil mist: In applications where oil mist is present, the coalescing element can remove the mist from the gas stream and prevent it from causing damage to downstream equipment or contaminating the final product.

    3. Filtering out fine particulate matter: The pre-filter layer of the coalescing filter element captures larger particles that may be present in the gas stream, preventing them from reaching the coalescing layer and reducing its effectiveness as well as playing a cleaning effect.

    4. Protecting downstream equipment: By removing liquid aerosols, oil mist, and particulate matter from the gas stream, the coalescing filter element helps protect downstream equipment from damage and minimize maintenance requirements.

    5. Aggregate dispersed small water droplets into large water droplets.

    6. In addition, it is mainly suitable for fuel, gasoline, diesel oil, stone tar, liquefied petroleum gas, etc., as well as low-viscosity hydraulic oil and lubricating oil.

    Overall, the function of a coalescing filter element is to improve the quality of the gas stream by removing contaminants that could cause problems downstream.

  • How to accelerate the efficiency of coalescing filter elements?

    The efficiency of a coalescing filter element can be improved by considering several factors such as using a prefilter to remove larger contaminants, optimizing the flow rate to ensure sufficient contact time, selecting appropriate filter media and materials, maintaining proper differential pressure, and ensuring proper filter element sizing for the application. These factors collectively contribute to enhanced efficiency and performance of the coalescing filter element.

  • What need to be considered when replacing coalescing filter cartridge?

    When replacing a replacement filter, several precautions should be taken for a successful installation. These include carefully following the manufacturer's installation instructions and steps, preparing the installation area by ensuring cleanliness and removing debris, turning off the power supply to prevent accidental activation, and adhering to safety guidelines. It is important to handle the filter with care, align it correctly, and securely tighten it to prevent leaks. Finally, post-installation checks should be performed to ensure proper sealing and system functionality.

  • When to replace the coalescing elements?

    The filter element should be replaced under various circumstances to ensure optimal system performance. These include an increase in pressure drop across the filter, reduced flow rates, decreased filtration efficiency, or reaching the manufacturer's recommended service life. Timely replacement of the filter element is crucial to maintain effective contaminant removal, prevent system damage, improve energy efficiency, and prolong the lifespan of other system components. Regular filter element replacement is essential for reliable and efficient operation of filtration systems.

Coalescer Filter Element Application

Coalescer filter elements play a crucial role in the fuel and diesel industry by removing water or moisture contamination. When fuel or diesel is stored or transported, it can come into contact with humid air, resulting in the formation of water droplets. These water droplets can cause corrosion, reduce fuel efficiency, and lead to engine damage.

Coalescer filter elements employ a unique design that utilizes filtration media with hydrophobic properties. As the fuel or diesel flows through the filter element, the hydrophobic media captures and merges small water droplets, causing them to coalesce into larger droplets. 

In natural gas processing and transmission, coalescer filter elements are utilized to remove liquid and solid contaminants from the gas stream. Natural gas often contains moisture, hydrocarbon liquids, and particulate matter, which can damage equipment, reduce efficiency, and compromise the quality of the gas.

Coalescer filter elements are also used in the filtration of chemical materials to separate immiscible liquids or remove liquid impurities. In chemical processes, it is often essential to separate different liquid phases or remove contaminants that can affect the quality or performance of the final product.

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Hebei Paier Filtration Equipment Technology Co., Ltd.
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No. 185, Gucheng East Road, Chang'an District, Shijiazhuang, Hebei Province
Hebei Paier Filtration Equipment Technology Co., Ltd.
Quick Links
Contact Us
Tel: +86-13903166730 E-mail:
Add: No. 185, Gucheng East Road, Chang'an District, Shijiazhuang, Hebei Province