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  • Fluorine-Lined Precision Filter
  • Fluorine-Lined Precision Filter
  • Fluorine-Lined Precision Filter
  • Fluorine-Lined Precision Filter
Fluorine-Lined Precision FilterFluorine-Lined Precision FilterFluorine-Lined Precision FilterFluorine-Lined Precision Filter

Fluorine-Lined Precision Filter

Applicable Media: Acids, bases, organic solvents, and various corrosive substances; pH 1-14.
Working Pressure: -0.098MPa to +2.5MPa.
Working Temperature: -100°C to +180°C.
Manufacturing Standards: GB150-2011, HG/T21637-1991, ASME, HG/T 4088-2009.

Introduction to Fluorine-Lined Precision Filters

Fluorine-Lined Precision Filters play a pivotal role in the chemical processing industry by effectively removing large solid impurities from highly corrosive fluids. This capability is crucial for the normal operation and longevity of key machinery and instruments, such as compressors and pumps, which are essential to a wide array of production processes. By ensuring the removal of particulate matter and protecting sensitive components from damage, these filters contribute significantly to maintaining process stability, enhancing productivity, and safeguarding against production stoppages. Moreover, their use is integral to ensuring the safety of production environments, where the handling of corrosive substances is routine.

Detailed Description

The operational principle of Fluorine-Lined Precision Filters is straightforward yet highly effective. As liquid enters the filter through the inlet, it passes into the filter basket, which is specifically designed to capture and retain solid impurities. The cleaned fluid then exits through the filter’s outlet, ready for further processing or safe discharge. One of the key advantages of these filters is their ease of maintenance and cleaning. When the filter requires cleaning, the process is simple: the drain plug at the bottom of the main pipe is opened to release the fluid, the flange cover is removed, and the filter basket is taken out for cleaning. Once cleaned, the basket is reinstalled, ensuring the filter is ready for operation again. This user-friendly design not only minimizes downtime but also reduces the workload on maintenance staff, further enhancing the operational efficiency of the filtration process.

Key Features

Corrosion Resistance: Fluorine-Lined Precision Filters are engineered with a focus on durability, offering exceptional resistance to a wide spectrum of chemical substances. This makes them highly reliable in environments where corrosive fluids are processed, safeguarding system integrity.

Permeation Resistance: A standout feature of these filters is their effective barrier against small molecule gases, such as oxygen and chlorine. This characteristic is crucial in processes where the purity of the medium must be maintained without risk of contamination through permeation.

Smooth Surface: The interior surface of the filter, lined with high-grade fluoropolymers, exhibits a low friction coefficient. This smoothness significantly reduces the likelihood of fouling, ensuring that cleaning is straightforward and less frequent, thereby enhancing operational efficiency.

Longevity: Designed with longevity in mind, these filters are built to provide over a decade of reliable service. This extended lifespan reduces the need for frequent replacements, offering better long-term value and operational stability.


High Purity: By meeting stringent purity standards, Fluorine-Lined Precision Filters are ideal for industries such as photovoltaics, where any contamination can significantly impact product quality and yield.

Large Filtering Capacity: Capable of accommodating high flow rates, these filters are designed to minimize pressure drop across the system. This ensures efficient processing without sacrificing performance, even under heavy load conditions.

Wide Application Range: The versatility of these filters makes them suitable for a variety of chemical production processes. Whether dealing with aggressive chemicals or delicate solutions, these filters maintain process integrity and safety.

Ease of Maintenance: Simplified disassembly for cleaning and maintenance underscores the user-friendly design of these filters. Routine maintenance tasks can be performed quickly and efficiently, minimizing downtime and labor costs.


Shell Materials: The choice of shell materials includes carbon steel for durability, stainless steel 304/316L for corrosion resistance, titanium alloy for superior strength and chemical resistance, and duplex stainless steel 2205 for a balance of strength and corrosion resistance.

Lining Materials: Lining options such as PO, PTFE, ETFE, and PFA are selected for their exceptional chemical resistance properties. Each material is tailored to the specific chemical compatibility requirements of the process, ensuring optimal performance.

Sealing Gaskets: To ensure leak-proof operation, gaskets made from PTFE, rubber-coated PTFE, and fluoro rubber are used. These materials provide a reliable seal that maintains integrity even in the presence of aggressive chemicals.

Fasteners: Fasteners are available in galvanized steel for standard applications, stainless steel for environments requiring corrosion resistance, and fluorine-lined bolts for the highest level of chemical compatibility and durability.

Accessories for Fluorine-Lined Precision Filters

The Fluorine-Lined Precision Filters are equipped with a variety of accessories designed to enhance their performance and adaptability across different applications:

Filter Types: To cater to diverse filtration requirements, these precision filters come with options for bag and cartridge filters. This allows users to select the appropriate filter type based on the specific needs of their process, whether for coarse or fine filtration.

Filter Accuracy: Offering a broad range of filtration accuracies from 0.1um to 50um (corresponding to 12500 mesh to 300 mesh), these filters are capable of removing particulate matter of varying sizes. This precision ensures the cleanliness and quality of the processed fluid, making it suitable for high-purity applications.

Motor and Reducer Options: The filters are compatible with various motors and reducers, including explosion-proof motors for hazardous environments and variable frequency motors for precise speed control. Cycloidal and secondary wheel reducers are available for applications requiring specific torque and speed adjustments, ensuring optimal performance of pumps and agitators.


Fluorine-Lined Precision Filters find extensive applications across several key industries, where they serve a vital role in maintaining system integrity and product quality:

Chemical Industry: These filters are indispensable in chemical processing, where they remove solid impurities from corrosive fluids, protecting downstream equipment and ensuring the purity of chemical products.

Pulp and Paper Production: In pulp and paper manufacturing, the filters are used to purify chemicals involved in the production process, contributing to the efficiency and safety of operations.

Food Industry: Ensuring the removal of contaminants from ingredients and processing aids, these filters help maintain the stringent hygiene standards required in food production.

Semiconductor Manufacturing: The high purity requirements of the semiconductor industry make these filters crucial for filtering process chemicals and gases, thereby protecting sensitive manufacturing processes and improving yield.

FAQ (Frequently Asked Questions)

Frequently Asked Questions.png

1.How should I perform maintenance on my Fluorine-Lined Precision Filter?

Answer: Routine maintenance involves regular inspection for any signs of wear or damage, especially to the fluorine lining and filter elements. Cleaning or replacing filter elements as per the manufacturer's recommendations and ensuring the integrity of seals and gaskets are also essential.

2.Can I use the filter for any chemical process?

Answer: While these filters are designed to handle a wide range of chemicals, it's important to consult the chemical compatibility chart provided by the manufacturer. This ensures that the materials of construction and filter media are suitable for the specific chemicals in your process.

3.Are customization options available for specific processing needs?

Answer: Yes, customization options are available to accommodate unique processing requirements. This includes selecting specific materials of construction, filter types, and accuracies, as well as motor and reducer configurations. Discussing your process requirements with the manufacturer is advised to determine the most suitable configuration.

4.What should I do if the filter performance decreases?

Answer: If you notice a drop in performance, check for clogged filter elements, inspect seals and gaskets for leaks, and ensure that the motor and reducer are functioning correctly. For persistent issues, consulting the manufacturer for troubleshooting guidance or considering an inspection or service may be necessary.

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