sintered cartridge

Sintered Cartridge

Sintered cartridge is a type of filter element used in various industries to remove impurities and particulate matter from fluids or gases. It is made from a sintered material, which is created by compacting powdered particles and heating them to a temperature just below their melting point.

The sintering process fuses the particles together, creating a porous structure with interconnected channels and voids. This porous structure allows fluids or gases to pass through while trapping and filtering out contaminants. The size of the particles and the sintering process parameters determine the filtration efficiency and pore size of the cartridge.


These cartridges are available in various shapes, sizes, and materials to suit different filtration requirements. Some common materials used for sintered cartridges include stainless steel, bronze, polyethylene, and porous ceramics. The choice of material depends on factors such as the compatibility with the fluid or gas being filtered, the desired filtration efficiency, and the operating conditions. Sintered cartridges are commonly used in applications where a high level of filtration is required, such as in water treatment, chemical processing, pharmaceutical production, food and beverage processing, and air filtration systems. They can effectively remove particles, dirt, rust, sediment, and other impurities from the fluid or gas stream, improving the quality of the end product and protecting downstream equipment.


What is the micron size of the sintered cartridge?

Sintered cartridge

Sintered cartridges are available in a range of micron ratings, typically starting from as low as 1 micron and going up to higher values such as 5 microns, 10 microns, 20 microns, 50 microns, and even 100 microns or more. The micron size chosen for a sintered cartridge depends on the filtration requirements of the specific application and the particle size distribution in the fluid or gas being filtered.

How does the metal sintered filter cartridge perform in terms of chemical compatibility with different fluids or gases?

Sintered cartridge

Metal sintered filter cartridges generally exhibit excellent chemical compatibility with a wide range of fluids and gases. The material used in manufacturing the sintered filter cartridge, such as stainless steel, bronze, or other high-quality metal alloys, provides inherent resistance to many chemicals, making them suitable for diverse industrial applications. Here’s how metal sintered filter cartridges perform in terms of chemical compatibility:

Corrosion Resistance: Metal sintered filter cartridges are often highly resistant to corrosion, allowing them to withstand exposure to various acidic or alkaline fluids without degradation.

High Temperature Compatibility: Many metal sintered filter cartridges can handle high temperatures, maintaining their structural integrity and filtration performance when filtering hot fluids or gases.

Solvent Compatibility: Sintered filter cartridges can be compatible with various organic solvents, making them suitable for applications involving paints, inks, and chemicals.

Resistance to Harsh Chemicals: The chemical resistance of metal sintered filter cartridges allows them to be used in applications where aggressive chemicals, such as acids, alkalis, or oxidizing agents, are present.

Stability in Reactive Environments: Metal sintered filter cartridges are stable in reactive environments, making them suitable for applications in the pharmaceutical and petrochemical industries.

How about the level of mechanical strength and pressure resistance of the sintered metal cartridge?

Types of sintered cartridges

Mechanical Strength: Sintered metal cartridges are made from high-quality metals or metal alloys, such as stainless steel, bronze, or nickel, which provide excellent mechanical strength and durability. The sintering process used during manufacturing creates a cohesive and robust structure, enhancing the cartridge’s mechanical integrity.

Pressure Resistance: The pressure resistance of a sintered metal cartridge is determined by its design and the material properties. Sintered metal cartridges are designed to withstand high pressures during filtration processes. They are commonly used in applications where the filtration system operates at elevated pressures, such as in high-pressure liquid or gas filtration.

How does the sintered cartridge perform in terms of flow capacity versus pressure drop?

Sintered cartridges

The performance of a sintered cartridge concerning flow capacity versus pressure drop depends on its design, material properties, and the fluid or gas being filtered. Flow capacity refers to the maximum volume of fluid or gas the cartridge can handle per unit of time. It is influenced by the cartridge’s dimensions, porosity, and pore size within the sintered material. Cartridges with larger surface areas and higher porosity generally have higher flow capacities.

Pressure drop, on the other hand, is the decrease in pressure as fluid or gas passes through the cartridge. It is influenced by the resistance the fluid encounters within the porous structure. As flow rate increases, pressure drop tends to rise.

The relationship between flow capacity and pressure drop is generally inversely proportional. Higher flow rates often lead to higher pressure drops. Thus, finding the right balance between flow capacity and pressure drop is crucial to optimize the cartridge’s performance for a specific application.

Sintered cartridge maintenance

Sintered cartridge maintenance

Regular Inspection: Conduct visual inspections of the sintered cartridges at regular intervals to check for signs of damage, clogging, or excessive buildup of contaminants.

Cleaning: Clean the sintered cartridges when they show signs of reduced flow rate or pressure drop. Follow the manufacturer’s guidelines for cleaning procedures, using compatible solvents or cleaning agents.

Backwashing: For sintered cartridges with larger pores, consider periodic backwashing to remove accumulated particles and debris from the cartridge’s interior.

Replacement: Replace sintered cartridges when they are significantly worn, damaged, or have reached their recommended service life. Regularly inspect the cartridge’s integrity to determine if replacement is necessary.

Avoid Abrasive Cleaning: Avoid using abrasive cleaning methods or tools that could damage the sintered cartridge’s surface and compromise its filtration efficiency.


Most frequent questions and answers

Cleaning a sintered metal cartridge involves several steps to maintain its filtration efficiency:


  1. Remove the cartridge from the filtration system and inspect it for visible debris or particles.


  1. Gently tap or shake the cartridge to dislodge loose contaminants.


  1. Backwash the cartridge by reversing the flow of clean water or a suitable cleaning solution through it. Ensure the flow is strong enough to remove trapped contaminants without damaging the cartridge.


  1. If necessary, use an ultrasonic cleaning bath to immerse the cartridge in a suitable cleaning solution. The ultrasonic waves will dislodge contaminants from the porous structure.


  1. Rinse the cartridge thoroughly with clean water to remove any remaining cleaning solution or loosened contaminants.


  1. Allow the cartridge to air-dry completely or use compressed air to blow out excess water.


  1. Reinstall the clean, dry cartridge back into the filtration system.

Component Preparation: The components to be welded, such as the sintered filter cartridge and the additional elements, are prepared for the welding process. This includes cleaning the surfaces to be welded to ensure proper adhesion and removing any contaminants that could affect the quality of the weld.


Welding Method Selection: The appropriate welding method is chosen based on factors such as the material of the cartridge and the additional components, the desired strength of the weld, and the production requirements. Common welding methods used for sintered filter cartridges include laser welding, TIG (Tungsten Inert Gas) welding, and resistance welding.


Welding Process: The selected welding method is applied to join the components. The welding process involves carefully positioning the components and applying heat or pressure, depending on the welding method used, to create a strong bond between the sintered filter cartridge and the additional elements. The parameters of the welding process, such as heat intensity, welding speed, and applied pressure, are controlled to ensure a high-quality weld.

Sintered powder cartridge refers to a type of cartridge that is produced using powder metallurgy techniques. In this manufacturing process, metal powders are compacted and then sintered to create a solid and porous structure. The sintered powder cartridge is typically made by mixing metal powders with various additives and binders to create a homogeneous powder mixture. The mixture is then compacted under high pressure into the desired shape and dimensions. The compacted shape is then subjected to a sintering process, where it is heated in a controlled environment to a temperature below the melting point of the metal. During sintering, the metal particles fuse together, resulting in a solid structure with interconnected pores.


The porous structure of the sintered powder cartridge provides several benefits, including high filtration efficiency and the ability to handle high flow rates. The size and distribution of the pores can be tailored to meet specific filtration requirements. The choice of metal powders used in the manufacturing process depends on factors such as the desired strength, corrosion resistance, and compatibility with the fluid or gas being filtered. Sintered powder cartridges find applications in various industries, including automotive, aerospace, electronics, and filtration. They are commonly used as filters, bushings, bearings, and other components where a combination of strength, porosity, and precise shape is required.

When a stainless steel sintered filter cartridge becomes clogged, it means that contaminants have accumulated and obstructed the pores of the cartridge, impeding the flow of fluid or gas. To address this issue, several steps can be taken.


One common method is backwashing, where the flow of clean water or a suitable cleaning solution is reversed through the cartridge. This process helps dislodge and flush out the trapped contaminants from the pores, restoring the filtration efficiency. Chemical cleaning may also be employed if backwashing alone is insufficient. This involves using a compatible cleaning solution to dissolve or loosen stubborn contaminants.


Mechanical agitation can be applied to the cartridge by tapping, shaking, or using a soft brush to help dislodge clogged particles. Ultrasonic cleaning, which involves immersing the cartridge in an ultrasonic cleaning bath filled with a suitable solution, generates microscopic bubbles that collapse and provide a scrubbing action to dislodge contaminants from the pores.


Regular maintenance is crucial to prevent severe clogging. This includes monitoring the cartridge’s performance, adhering to recommended cleaning schedules, and replacing the cartridge when it reaches the end of its service life. Following these steps ensures that the stainless steel sintered filter cartridge continues to provide effective filtration and extends its overall lifespan.

Stainless Steel Mesh: The main component of the cartridge is the stainless steel wire mesh. It is woven or knitted into a mesh pattern, providing the filtration medium of the cartridge. The mesh is designed to have precise openings and uniform pore size to effectively capture and retain particles while allowing fluid or gas to pass through.


Support Structure: The mesh is often supported by a stainless steel frame or housing, which provides structural integrity and ensures proper alignment of the cartridge within the filtration system. The support structure is designed to securely hold the mesh and maintain its shape under operating conditions.


End Caps: Steel mesh cartridges may have end caps made of stainless steel or other compatible materials. These end caps provide sealing and connection points for the cartridge within the filtration system.

Industrial Filtration: Sintered mesh filter cartridges are widely used in industrial processes, including oil and gas, chemical processing, pharmaceuticals, food and beverage, and water treatment. They can effectively filter out contaminants such as particles, sediments, rust, and debris from fluids, ensuring product quality, process efficiency, and equipment protection.


High-Temperature Filtration: Sintered mesh filter cartridges are suitable for applications involving high-temperature fluids or gases. The sintering process enhances the structural integrity and temperature resistance of the mesh, allowing it to withstand elevated temperatures without deformation or degradation. These cartridges are commonly used in hot gas filtration, steam filtration, and high-temperature liquid filtration.


Corrosive and Aggressive Environments: Stainless steel sintered mesh filter cartridges exhibit excellent corrosion resistance, making them ideal for filtration in corrosive and aggressive environments. They can withstand exposure to various chemicals, acids, solvents, and saltwater without degradation, ensuring long-lasting performance and durability.


Fine Particle Filtration: Sintered mesh filter cartridges with fine mesh sizes are capable of filtering out very small particles with high efficiency. They are used in applications where fine particle removal is critical, such as precision manufacturing, electronics, pharmaceutical processing, and semiconductor industries.

Sintered metal filter cartridges are indeed known for their strength and durability. The sintering process creates a solid and cohesive structure that can withstand challenging operating conditions. The materials used in sintered metal filter cartridges, such as stainless steel or high-strength alloys, possess excellent mechanical properties, including high tensile strength and hardness.


The controlled porosity of sintered metal filter cartridges ensures a balance between filtration efficiency and mechanical strength. The interconnected pores are carefully designed to allow for fluid or gas flow while retaining solid particles. This structural design enables the cartridges to maintain their integrity and performance under high pressures, temperature fluctuations, and mechanical stresses.


Sintered metal filter cartridges exhibit exceptional resistance to corrosion, chemicals, and high temperatures, further enhancing their strength and suitability for use in demanding environments. Their ability to withstand harsh conditions without deformation or failure ensures reliable and long-lasting filtration performance.

Sintered metal cartridge manufacturers and suppliers provide a comprehensive range of products and services to meet filtration needs. DEZE Filtration offer sintered metal cartridges in various sizes, materials, and configurations to cater to different applications. These cartridges are designed to deliver high-performance filtration and durability.Customization services are available, allowing customers to obtain tailored solutions based on their unique filtration needs.


Quality assurance is a priority for manufacturers, ensuring that sintered metal cartridges meet rigorous standards. We implement quality control measures during manufacturing to maintain consistent product quality and reliability. Technical support is provided to assist customers in selecting the appropriate cartridge, offering guidance on installation, maintenance, and troubleshooting. Additionally, we offer complementary filtration products and solutions to provide a comprehensive filtration system.

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