Porous Sintered Metal Filter Cartridge

A sintered metal filter cartridge is a self-contained, replaceable, usually cylindrical filter element containing one or more filter media enclosed in a housing or casing, designed to remove impurities, particles, pollutants or specific substance. It is made by sintering, a process that compacts and forms a solid material without melting it. This creates a porous structure that allows fluid to pass through while trapping and retaining unwanted particles. Filter cartridge are commonly used in various industries including water treatment, air purification, industrial process, pharmaceutical, food and beverage, automotive and more.

Types of Metal Porous Filter Cartridge

Sintered Metal Filter Cartridge can be classified into the following two types based on their construction and manufacturing process:

  • Sintered Metal Mesh Filter Cartridge: This type of filter cartridge is made by sintering multiple layers of metal mesh together. The metal mesh typically consists of woven wires or metal fibers, and the layers are carefully stacked and sintered at high temperatures. The sintering process fuses the individual layers, creating a porous structure with precise filtration properties.
  • Sintered Metal Powder Filter: This type of filter cartridge is made from metal powders, such as stainless steel, bronze, or titanium. The metal powders are compacted and sintered at high temperatures to form a solid structure with interconnected pores. The size and distribution of these pores are controlled during the manufacturing process to achieve the desired filtration characteristics.

Materials Used

The choice of materials depends on the specific application, and some common materials used for sintered filter cartridges are:

  • Stainless Steel: SS 316L, 316, 304, 904L, etc.
  • Bronze: SAE 841 bronze
  • Nickel
  • Titanium
  • Hastelloy
  • Monel: Copper-nickel alloy
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sintered mesh filter connector types

Features of Sintered Metal Mesh Filter Cartridge:

  • High mechanical strength and stability due to the layered construction.
  • Uniform pore size and distribution, providing consistent filtration efficiency.
  • Excellent resistance to high temperatures and pressure.
  • Easy to clean and maintain, often reusable.
  • Suitable for applications requiring fine filtration and high dirt-holding capacity.

Features of Sintered Metal Powder Filter Cartridge:

  • Wide range of available pore sizes, making it suitable for various filtration needs.
  • Excellent chemical and thermal resistance, depending on the material used.
  • High flow rates with low pressure drop.
  • Can be designed with specific filtration efficiency and dirt-holding capacity.
  • Often used in high-temperature and corrosive environments.

Uses:

Sintered filter cartridges find applications in various industries, including:

  • Petrochemicals and Refineries
  • Pharmaceuticals
  • Food and Beverage
  • Water Treatment
  • Aerospace and Aviation
  • Oil and Gas
  • Chemical Processing
  • Electronics and Semiconductors

They are used for filtration, separation, gas diffusion, and fluidization processes, where precise particle removal and a durable filtration medium are required.

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