Customizable Filter Bag for Your Needs

some description about product

Filter bag is a versatile and essential filtration device used in numerous industries and applications to remove solid particles from gas or liquid streams. It is designed to effectively capture and separate particles of various sizes, providing cleaner and purer fluids.

Filter bags are made from a variety of materials, including synthetic fibers, woven fabrics, and non-woven fabrics. These materials are selected based on the specific requirements of the filtration process, such as the particle size, temperature, chemical compatibility, and operating conditions.

The construction of a filter bag typically consists of a cylindrical shape with an open end for inlet and a sealed end for outlet. The open end is attached to a support structure, such as a filter housing or a filter bag cage, which holds the bag in place and provides support during the filtration process.

The filtration mechanism of a filter bag relies on a combination of mechanisms, including inertial impaction, interception, diffusion, and sieving. As the fluid flows through the filter bag, solid particles are captured by these mechanisms, allowing only the clean fluid to pass through.

Filter bags are available in various sizes and configurations to accommodate different flow rates, pressures, and particle loading capacities. The selection of the appropriate filter bag depends on factors such as the application, particle size distribution, desired filtration efficiency, and operating conditions.

Filter Bag


Stainless steel filter bags

Stainless steel filter bags

Stainless steel filter bags are a specialized type of filter bag designed for demanding industrial applications that require high durability,

resistance to corrosion, and efficient filtration. These bags are constructed using woven stainless steel wire mesh, which offers excellent mechanical strength and chemical resistance.

The construction of stainless steel filter bags involves weaving stainless steel wires into a mesh pattern. The wire mesh is available in different mesh sizes, ranging from coarse to fine, allowing for precise particle retention and efficient filtration. The high strength of the stainless steel wire mesh ensures that the bags can retain their shape and structural integrity even under high-pressure differentials.

Stainless steel filter bags offer excellent chemical compatibility, making them suitable for filtration in corrosive environments. They can withstand exposure to a wide range of chemicals, acids, solvents, and alkalis without degradation or contamination. This makes them highly effective in applications such as chemical processing, pharmaceuticals, petrochemicals, and wastewater treatment.

In addition to their durability and resistance to corrosion, stainless steel filter bags offer excellent filtration efficiency. The woven wire mesh effectively captures solid particles while allowing the filtered fluid to pass through. The precise mesh openings ensure accurate particle retention and high filtration performance, even for fine particles.

Wire mesh filter bags

Wire mesh filter bags are a type of filter bag that utilize a woven wire mesh material for filtration purposes.

These bags are designed to effectively capture and retain solid particles in gas or liquid streams while allowing the fluid to pass through. Its offer several advantages and find applications in various industries.

Wire mesh used in these bags is typically made of stainless steel, although other materials such as copper or brass may be used for specific applications. Stainless steel wire mesh is preferred due to its durability, corrosion resistance, and high-temperature tolerance. The woven construction of the wire mesh creates a series of small openings or pores that allow for efficient particle retention while maintaining good flow rates.

Wire mesh filter bags offer excellent filtration efficiency due to the precise and uniform pore sizes of the wire mesh. The mesh openings can be customized to achieve the desired filtration level, from coarse to fine filtration. This enables effective removal of particles of various sizes, ensuring clean and purified fluids.


Our company provides a kind of metal alloy to solve the problem of providing products with excellent

performance in high temperature and high corrosive environment. Our products are very strong

and welded or sintered. Length, diameter, thickness, alloy, medium grade and other specifications

can be adjusted during the production process, so that the product is suitable for a variety of

filtration, flow and chemical compatibility in different customer processes.


Custom filter bags

Custom filter bags

Custom filter bags are tailored filtration solutions designed to meet specific requirements and applications. These bags are customized in terms of size, shape, material, and filtration characteristics to effectively capture and remove solid particles from gas or liquid streams.

Custom filter bags are commonly used in industries where standard off-the-shelf filter bags may not meet the exact filtration needs. They can be designed to handle specific particle sizes, temperature ranges, chemical compatibility, flow rates, and operating conditions. By customizing the filter bags, optimal filtration performance and efficiency can be achieved, ensuring clean and purified fluids in various industrial processes.

Custom filter bags are typically made by filtration experts who work closely with clients to understand their unique filtration requirements and provide tailored solutions that address specific challenges and deliver superior filtration performance.

Filter bag production process

Filter bag production process

Production process of filter bags typically involves several steps.

First, the desired material for the bag, such as woven or non-woven fabric, is selected based on the specific filtration requirements. The material is then cut into the appropriate size and shape for the filter bag.

Next, the cut pieces of material are sewn or welded together to form the bag’s body, ensuring strong and secure seams. The type of sewing or welding method used may vary depending on the material and intended application of the filter bag.

Once the bag body is formed, additional features such as handles, closures, or attachment mechanisms may be added as required. These features enhance the usability and functionality of the filter bag during installation and maintenance.

After the bag is fully constructed, it undergoes quality control checks to ensure its integrity and compliance with specifications. This may include testing for dimensions, strength, and any specialized characteristics such as chemical resistance or temperature tolerance.

Finally, the completed filter bags are packaged and prepared for distribution or shipment to customers or end-users.

Material of filter bag

Material of filter bag

Filter bags can be made from a variety of materials, each chosen based on the specific filtration requirements and the characteristics of the process fluid. Some common materials used for filter bags include:

1.Polyester: Polyester filter bags are versatile and widely used. They offer good chemical resistance, high strength, and excellent dust cake release properties.

2.Polypropylene: Polypropylene filter bags are known for their high chemical resistance, making them suitable for applications involving aggressive chemicals. They also offer good strength and durability.

3.Nylon: Nylon filter bags are known for their excellent abrasion resistance and high tensile strength. They are often used in applications where there are abrasive particles or where high temperature resistance is required.

4.PTFE (Polytetrafluoroethylene): PTFE filter bags are highly resistant to chemicals, heat, and moisture. They are commonly used in applications involving corrosive gases and liquids or where high-temperature resistance is crucial.

5.Nomex: Nomex filter bags are made from flame-resistant aramid fibers and are used in high-temperature applications such as asphalt production and metal smelting.

Filter bag working principle

The working principle of a filter bag involves the filtration of fluids by capturing and retaining solid particles while allowing the fluid to pass through. As the fluid flows through it, the particles larger than the pore size of the it’s material are trapped on or within the filter media.

The filter bag acts as a barrier, preventing the particles from passing through and ensuring cleaner fluid downstream. The filtration efficiency and performance of the filter bag depend on factors such as the material, pore size, surface area, and flow rate. Regular cleaning or replacement of the filter bag is necessary to maintain optimal filtration performance.


Most frequent questions and answers

Metal bag filters differ from other types of filters in several ways:


1.Material: Metal bag filters are typically made of stainless steel or other metal alloys. This makes them highly durable, corrosion-resistant, and capable of withstanding high temperatures and harsh environments, unlike filters made of fabric or paper materials.


2.Filtration mechanism: Metal bag filters rely on a sieving mechanism for filtration. The woven wire mesh creates small openings or pores that allow fluid to pass through while capturing and retaining solid particles. This mechanism is different from other filters that may use mechanisms like adsorption, absorption, or electrostatic attraction.


3.Reusability: Metal bag filters can be cleaned and reused, unlike disposable filters made of fabric or paper. They can withstand cleaning methods such as backwashing, ultrasonic cleaning, or mechanical shaking, making them a cost-effective option over time.


4.High flow rates: Metal bag filters typically offer high flow rates due to their larger surface area and minimal pressure drop. This makes them suitable for applications where a high flow of fluid needs to be filtered efficiently.

Stainless steel filter bags find applications in various industries where demanding filtration requirements exist. Some common applications of its include:


1.Chemical processing: Stainless steel filter bags are used in chemical processing plants to remove contaminants and solid particles from various chemical solutions and liquids.


2.Petrochemicals and refineries: These filters are employed in petrochemical and refinery processes to filter crude oil, lubricants, solvents, and other fluids, ensuring the purity and quality of the end products.


3.Food and beverage: Stainless steel filter bags are utilized in the food and beverage industry to filter ingredients, liquids, and beverages, removing impurities and ensuring product safety.


4.Pharmaceuticals: These filters are used in pharmaceutical manufacturing processes to remove particles, contaminants, and impurities from pharmaceutical solutions and suspensions.


5.Water treatment: Stainless steel filter bags play a crucial role in water treatment systems, helping to remove sediment, particles, and impurities from water sources, ensuring clean and safe drinking water.


6.Electronics and semiconductor industry: Stainless steel filter bags are employed in electronic and semiconductor manufacturing to filter and remove contaminants, dust, and particles that could impact the quality and performance of electronic components.


7.Automotive manufacturing: These filters are used in automotive manufacturing processes to filter various fluids, such as oils, coolants, and solvents, ensuring clean and uncontaminated fluids for the production of high-quality automotive components.

Stainless steel mesh filter bags work by utilizing the principle of sieving to effectively capture and remove solid particles from gas or liquid streams. Here’s how the system typically operates:


1.Filtration medium: Stainless steel mesh filter bags are made of woven wire mesh with precise openings or pores. The size of the mesh openings can be customized based on the desired filtration requirements.


2.Fluid flow: The fluid containing solid particles flows through the stainless steel mesh filter bag system. The mesh acts as a barrier, allowing the fluid to pass through while trapping and retaining the particles that are larger than the mesh openings.


3.Particle capture: As the fluid flows through the filter bag, particles larger than the mesh openings are captured and held on the surface or within the mesh structure. The smaller particles that can pass through the mesh are effectively removed from the fluid, resulting in cleaner and purified fluid downstream.


4.Efficiency and capacity: The filtration efficiency and capacity of the stainless steel mesh filter bag system depend on factors such as the size of the mesh openings, the flow rate of the fluid, and the nature of the particles being filtered. The precise and uniform mesh structure ensures consistent and efficient particle capture.


5.Maintenance and cleaning: Stainless steel mesh filter bags can be cleaned by backwashing, ultrasonic cleaning, or mechanical shaking to remove the accumulated particles. Regular maintenance ensures optimal filtration performance and extends the lifespan of the filter bags.

there are different sizes and configurations available for wire mesh bags to accommodate various filtration requirements. The sizes and configurations of its can be customized based on specific application needs. Here are some variations:


1.Size: Wire mesh bags can be produced in different dimensions to fit specific filtration systems or equipment. The dimensions may include variations in length, width, and diameter to suit different filter housings or vessels.


2.Shape: Wire mesh bags can be manufactured in different shapes to adapt to the specific filtration setup. Common shapes include cylindrical bags, basket-style bags, and cone-shaped bags. The choice of shape depends on the filtration system design and the flow characteristics of the fluid being filtered.


3.Mesh size: The mesh openings or pore size of the wire mesh can be customized to meet the desired filtration level. The mesh size can vary from coarse to fine, allowing for effective retention of particles of different sizes.


4.Material: While stainless steel is a commonly used material for wire mesh bags, there are other metal alloys available for specific applications. Copper, brass, and other alloys can be utilized to provide specific chemical resistance or temperature tolerance.

Choosing the right metal mesh filter bag for your specific needs involves considering several factors. Here are some key considerations to help you make an informed decision:


1.Filtration requirements: Determine the particle size and type that needs to be filtered. This will guide you in selecting the appropriate mesh size and material compatibility.


2.Operating conditions: Consider the temperature, pressure, and chemical compatibility of the process fluid. Ensure that the selected metal mesh filter bag can withstand the specific operating conditions without degradation or failure.


3.Flow rate: Determine the desired flow rate or throughput required for your application. This will help you select a metal mesh filter bag with an appropriate surface area and flow capacity.


4.Bag Size and configuration: Evaluate the available space and the dimensions of the filter housing or equipment. Choose a metal mesh filter bag size and configuration that fits well within the system.


5.Maintenance and cleaning: Consider the ease of maintenance and cleaning. Some applications may require frequent cleaning or replacement, while others may benefit from reusable filter bags that can be easily cleaned.


6.Cost-effectiveness: Assess the overall cost of the metal mesh filter bag, including the initial investment, maintenance, and potential replacements. Consider the expected lifespan and compare it with other filtration options to determine the long-term cost-effectiveness.

Filter bag and filter disc are two different types of filtration solutions that have distinct characteristics and applications:


Filter Bag:


1.Filter bags are typically larger and can hold a higher volume of particulate matter compared to filter discs.


2.They are commonly used in applications where a high flow rate and larger solids removal capacity are required.


3.Filter bags are available in various sizes and configurations to fit different filter housings or vessels.


4.They are often used in industries such as wastewater treatment, chemical processing, and oil and gas.


5.Filter bags are generally easier to replace or clean, as they can be easily removed from the housing or vessel.


Filter Disc:


1.Filter discs are smaller in size and have a flat disc-like shape with a filtration medium attached to it.


2.They are commonly used in applications where fine filtration and precise particle retention are required.


3.Filter discs are often used in industries such as pharmaceuticals, food and beverage, and laboratory settings.


4.They are available in different materials and pore sizes to suit specific filtration needs.


5.Filter discs are typically used in filtration systems where space is limited or when a higher degree of filtration precision is necessary.

316 stainless steel mesh filter bags are available in various filtration ratings, which refer to the size of particles that the mesh can effectively capture. The filtration rating is typically expressed in terms of microns (µm) and represents the diameter of the particles that the mesh can retain. The available filtration ratings for it can vary depending on the manufacturer and specific application requirements. Common filtration ratings for filter bags range from around 1 µm to 1000 µm.


However, it’s important to note that the exact filtration ratings can be customized based on the specific needs of the filtration application. By selecting the appropriate filtration rating, you can achieve the desired level of particle retention and filtration efficiency for your particular process or industry. Consulting with filtration experts or manufacturers can provide more precise information on the available filtration ratings for 316 stainless steel mesh filter bags.

The frequency of replacing metal mesh bag filters depends on several factors, including the specific application, operating conditions, and the accumulated level of contaminants. Unlike disposable filter bags, its can be cleaned and reused, which extends their lifespan. Here are some considerations for determining when to replace it:


1.Pressure drop: Monitor the pressure drop across the filter system. As the filter accumulates particles, the pressure drop increases. When the pressure drop reaches a certain threshold that affects the desired flow rate or system efficiency, it may be an indication that the filter needs to be replaced or cleaned.


2.Filtration efficiency: If the filter is no longer effectively capturing and retaining particles to meet the required filtration efficiency, it may be time for replacement. This can be evaluated through periodic filter performance testing or visual inspection of the filtered fluid.


3.Maintenance and cleaning: If the filter becomes damaged or experiences excessive wear during the cleaning process, it may need to be replaced.


4.Manufacturer’s recommendations: Follow the manufacturer’s guidelines and recommendations for the specific metal mesh bag filter. They may provide specific information on expected lifespan or replacement intervals based on the filter’s design and materials.

To clean 304 stainless steel filter bags, follow these steps:


1.Remove the filter bags from the filter housing or vessel.


2.Rinse the filter bags with water or a mild cleaning solution to remove loose particles and debris.


3.Soak the filter bags in a cleaning solution appropriate for stainless steel, such as a mixture of warm water and detergent.


4.Use a soft brush or sponge to gently scrub the surface of the filter bags, paying attention to any areas with stubborn contaminants.


5.Rinse the filter bags thoroughly with clean water to remove any remaining cleaning solution.


6.Allow the filter bags to dry completely before reinstalling them in the filter housing or vessel.

The advantages of steel mesh filter bags, also known as wire mesh filter bags, include:


1.Durability: Steel mesh filter bags are highly durable and can withstand harsh operating conditions, including high temperatures, pressures, and corrosive environments.


2.Efficient filtration: The precise and uniform mesh structure of steel mesh filter bags provides efficient filtration by effectively capturing and retaining particles of various sizes.


3.Reusability: Steel mesh filter bags can be cleaned and reused multiple times, making them a cost-effective filtration solution in the long run.


4.High flow rates: The larger surface area and minimal pressure drop of steel mesh filter bags allow for high flow rates, ensuring efficient filtration without compromising system performance.


5.Chemical resistance: Steel mesh filter bags are resistant to many chemicals, making them suitable for applications involving aggressive or corrosive fluids.


6.Versatility: Steel mesh filter bags can be customized in terms of mesh size, dimensions, and configuration to meet specific filtration requirements across various industries.

While stainless steel bag filters offer many advantages, there are some limitations and potential disadvantages to consider:


1.Cost: Stainless steel bag filters tend to have a higher upfront cost compared to disposable filter bags made of fabric or paper materials.


2.Limited filtration ratings: Stainless steel mesh filters may not be suitable for applications requiring very fine filtration, as the mesh openings have practical limitations on the smallest particle sizes that can be effectively captured.


3.Cleaning and maintenance: While stainless steel bag filters can be cleaned and reused, the cleaning process can be time-consuming and may require specialized equipment or cleaning agents.


4.Flow restriction: The presence of the mesh structure can cause some flow restriction or pressure drop, depending on the mesh size and filter design.


5.Limited flexibility: Stainless steel bag filters may not be as flexible or easily replaceable as disposable filter bags, particularly in applications with frequent filter changes.

Considerations for installing and maintaining a bag filter stainless steel system include:


1.Proper installation: Ensure the filter system is installed correctly, following manufacturer guidelines and specifications.


2.Regular inspection: Periodically inspect the system for any signs of damage, leaks, or improper functioning.


3.Filter replacement: Replace worn-out or damaged filter bags in a timely manner to maintain filtration efficiency.


4.Cleaning and maintenance: Clean the stainless steel filter bags as recommended by the manufacturer to remove accumulated particles and ensure optimal performance.


5.Pressure drop monitoring: Monitor the pressure drop across the system to detect any clogging or filter saturation that may require maintenance or replacement.


6.Documentation and record-keeping: Maintain records of maintenance activities, replacement dates, and any issues encountered for reference and future maintenance planning.

Many metal filter bag manufacturers offer technical support and assistance to help customers select the right filter bags for their specific applications.


They have experienced engineers and filtration experts who can provide guidance and recommendations based on the filtration requirements, operating conditions, and industry standards. They can assist in determining the appropriate material, filtration rating, size, and configuration of the metal filter bags to optimize filtration performance and efficiency.


Manufacturers often have customer support teams or dedicated technical support channels to address inquiries, provide product information, and offer technical assistance throughout the selection and purchasing process.

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