The Ultimate Guide to FRP Filter Housing in Industrial Water Treatment

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Water treatment is essential across various industries to ensure that water meets the required safety and quality standards for consumption, discharge, or reuse.

FRP filter housings are pivotal in this process, providing robust, efficient, and cost-effective solutions for filtering contaminants from water.

In this article, we are going to give a comprehensive overview of FRP filter housing, aimed at assisting you in making the most appropriate selection for your water treatment projects.

water filtration in food and beverage industry likefilter

What is the FRP Filter Housing?

FRP Filter Housing is a robust, corrosion-resistant container used in water treatment systems, made from fiber-reinforced plastic, designed to hold filtration elements that remove contaminants from water, ensuring safe and efficient water treatment processes.

Features of FRP Filter Housing

FRP filter housing is characterized by several notable features:

1. Corrosion Resistance

FRP filter housing is inherently resistant to corrosion, ensuring its durability and reliability even in harsh environments or when exposed to corrosive substances. This resistance helps maintain water quality and extends the lifespan of the housing.

2. Exceptional Durability

Known for their remarkable durability, FRP filter housings boast a high strength-to-weight ratio, withstanding extreme conditions and reducing the frequency of replacements and associated costs.

3. Lightweight Design

One of the standout features of FRP filter housing is its lightweight design. This attribute simplifies the installation process, reducing the need for heavy machinery and labor-intensive efforts. It not only saves time but also lowers installation costs.

4. Customization Versatility

FRP as a material offers versatility in design customization. FRP filter housings can be tailored to meet the specific requirements of diverse industrial applications. Whether it’s adjusting dimensions, inlet/outlet configurations, or other design aspects, FRP offers flexibility that caters to unique filtration needs.

Benefits of FRP Filter Housing

Utilizing FRP filter housing offers several advantages:

1. Enhanced Longevity and Durability

FRP filter housings are engineered to withstand the test of time. Their resistance to corrosion and chemicals ensures a longer lifespan, reducing the frequency of replacements. This longevity translates into cost savings and uninterrupted industrial processes.

2. Simplified Installation

The lightweight nature of FRP filter housings simplifies the installation process significantly. Unlike heavier alternatives, which may require heavy lifting equipment and additional labor, FRP housings can be installed more efficiently and cost-effectively.

3. Minimal Maintenance

FRP filter housings are low-maintenance, requiring minimal attention to remain in optimal condition. Their resistance to corrosion and easy-to-clean surfaces contribute to a hassle-free maintenance experience. Reduced downtime and maintenance costs are valuable benefits for industrial operations.

Types of FRP Filter Housings

FRP filter housings come in various types to cater to different filtration needs. Some commonly used types of FRP filter housings include:

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1. FRP Bag Filter Housing

LikeFilter offers FRP bag filter housings with 1-7 filter bags depending on the specific model and design.

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2. FRP Cartridge Filter Housing

LikeFilter offers options for up to 22pcs filter cartridges for FRP cartridge filter housing adapting to various water treatment volumes.

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3. FRP High Flow Cartridge Housing

LikeFilter FRP high-flow filter cartridge housing is suitable for high-flow filter cartridges from brands like Parker, Pall, and 3M, with skid and set options available for particular applications.

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4. Custom-designed options

LikeFilter also has customized services for unique demands depending on the project.

Applications in Various Industries

FRP (Fiber-Reinforced Plastic) filter housings are versatile and used across various industries due to their corrosion resistance, durability, and efficiency.

Here are some of the main applications:

  1. Water Treatment Plants: For purifying drinking water by removing contaminants, sediments, and pathogens.
  2. Wastewater Treatment: Used in municipal and industrial settings to treat sewage and industrial effluents before discharge or reuse.
  3. Chemical Processing: In the chemical industry for filtering aggressive chemicals, solvents, and corrosive fluids.
  4. Pharmaceuticals: For filtration processes where purity and contamination control are critical.
  5. Food and Beverage Industry: In the production of food and beverages, where high hygiene standards and the prevention of contamination are essential.
  6. Aquaculture: For filtering water in fish farming and aquaponics systems to maintain a clean and healthy environment.
  7. Desalination Plants: Used to remove salts and minerals during the desalination of seawater or brackish water.
  8. Power Generation: This is used in cooling water systems and for treating water used in boilers and cooling towers.
  9. Oil and Gas Industry: For filtering water and fluids in upstream and downstream processes.
  10. Pulp and Paper Industry: In the treatment of process water and effluents to remove particulate matter and contaminants.
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General Guidelines for Installation and Operation

The installation and operation of FRP filter housing may vary depending on the specific model and design.

Here, I will provide you with some general guidelines, but it is important to refer to the specific instructions provided by the manufacturer of yours.


  • Ensure that the installation area is clean, dry, and well-ventilated.
  • Follow the manufacturer’s instructions for proper placement and orientation of the filter housing.
  • Connect the inlet and outlet pipes to the appropriate ports on the housing, ensuring a secure and leak-free connection.
  • If required, install any necessary accessories, such as pressure gauges, valves, or flow meters.
  • Double-check all connections and tighten them as needed.
  • Conduct a visual inspection to ensure all components are properly installed and aligned.


  • Before starting the filtration process, ensure that the filter housing is clean and free from any debris or contaminants.
  • Open the inlet valve to allow the water or fluid to enter the housing.
  • Monitor the pressure gauge to ensure the pressure remains within the recommended range.
  • If the pressure exceeds the recommended limit, it may indicate a clogged filter cartridge that needs to be replaced.
  • Periodically check the housing for any signs of leaks or damage.
  • Follow the manufacturer’s guidelines for the frequency of filter cartridge replacement or maintenance.

Some Maintenance Tips for FRP Filter Housing

Proper maintenance is crucial to extend the lifespan and maintain the efficiency of FRP filter housings. Here are essential maintenance tips:

1. Routine Inspection

Conduct routine inspections to check for any signs of leaks, damage, or corrosion. If any issues are detected, address them promptly to prevent further damage.

2. Regular Cleaning

Clean the housing interior regularly to remove any accumulated dirt, debris, or contaminants. Follow the manufacturer’s guidelines for the recommended cleaning procedure and frequency.

3. Filter Cartridge Replacement

Replace the filter cartridges as recommended by the manufacturer. Over time, the cartridges may become clogged or lose their effectiveness, impacting the filtration efficiency. Regular replacement ensures optimal filtration performance.

4. Seals and Gaskets Inspection

Inspect the seals and gaskets of the housing for any signs of wear or damage. Ensure they are properly seated and in good condition to prevent leaks.

5. Corrosion Prevention

FRP filter housings are corrosion-resistant, but it is still important to monitor for any signs of corrosion. If corrosion is detected, take appropriate measures to address it promptly and prevent further damage.

6. UV Protection:

If the FRP housing is exposed to sunlight, ensure it is coated or treated to resist UV damage, which can weaken the structure over time.

7. Follow Manufacturer’s Guidelines

Always refer to the manufacturer’s instructions and guidelines for specific maintenance recommendations and procedures for your FRP filter housing model.

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Selection Guidelines for FRP Filter Housing

Selecting the right FRP (Fiber Reinforced Plastic) filter housing for your industrial water treatment application involves considering several key factors to ensure optimal performance, durability, and cost-effectiveness.

Here are some factors you should take into consideration before you make an informed decision:

1. Application Requirements

  • Type of Fluid: Determine the type of fluid to be filtered, as this will influence the compatibility of the filter housing material with the fluid.
  • Chemical Compatibility: Ensure the FRP material is compatible with the chemicals in the fluid to prevent corrosion and degradation.
  • Filtration Needs: Consider the specific filtration requirements, including particle size to be removed and desired flow rate, to select a housing that meets these criteria.

2. Operating Conditions

  • Pressure Rating: Choose a filter housing with a pressure rating that exceeds the maximum operating pressure of your system to ensure safety and durability.
  • Temperature Range: Ensure the FRP housing can withstand the operating temperature range of the fluid without compromising its structural integrity.
  • Flow Rate: Select a housing that can accommodate your system’s flow rate requirements without causing excessive pressure drop.

3. Size and Configuration

  • Port Size and Type: Match the inlet and outlet port sizes and types (e.g., threaded, flanged) to your system’s piping specifications.
  • Housing Size: The size of the filter housing should be appropriate for the volume of fluid to be processed, taking into account the required flow rate and filtration efficiency.
  • Installation Space: Consider the physical space available for the filter housing installation, including height, width, and length constraints.

4. Maintenance and Accessibility

  • Ease of Maintenance: Look for housings that offer easy access for filter media replacement and cleaning to reduce downtime and maintenance costs.
  • Filter Element Compatibility: Ensure the housing is compatible with the types of filter elements you plan to use, whether cartridges, bags, or other media types.

5. Certifications and Standards

  • Industry Certifications: Check for any industry-specific certifications (e.g., NSF for drinking water) that might be required for your application.
  • Quality Standards: Consider manufacturers that adhere to recognized quality standards for FRP materials and manufacturing processes.

6. Cost and Lifespan

  • Initial Cost vs. Total Cost of Ownership: While initial cost is a factor, also consider the durability, maintenance requirements, and operational efficiency of the filter housing, as these will affect the total cost of ownership.
  • Warranty and Support: Look for products with a solid warranty and reliable customer support for troubleshooting and maintenance advice.

By carefully evaluating these factors, you can select an FRP filter housing that not only meets your technical requirements but also offers reliability, efficiency, and value over its lifespan.

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FRP filter housings are a major improvement in industrial water treatment. They are known for their durability, efficiency, and sustainability.

With their wide range of applications and benefits, they have become an essential component of modern water treatment solutions.

For those looking to improve their water treatment processes, FRP filter housings offer a sturdy, cost-effective, and eco-friendly option.

If you need more information about FRP filter housing or want more suggestions in selecting the right one, feel free to contact us anytime.

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