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Framed Knitted Mesh Filters

Grease Filters | Framed Filters | Framed Knitted Mesh Filters

Framed Knitted Mesh Filters are engineered filtration components designed for high-efficiency separation in demanding industrial and commercial applications. They consist of a three-dimensional knitted metal wire mesh securely housed within a robust, rigid frame. This structure allows for effective multi-phase filtration, including the interception of solid particulates and the coalescence of liquid aerosols like oil mist and grease. The rigid frame provides critical dimensional stability, ensures a proper seal within the filtration system, and facilitates easy handling and installation.

Advantages of Framed Knitted Mesh Filters

  • High Dirt-Holding Capacity & Low Pressure Drop: The unique 3D looped structure of the knitted mesh creates a deep-bed filtering effect. It provides a large surface area for contaminant capture while maintaining high permeability, resulting in a low initial pressure drop and extended service life.
  • Mechanical Robustness & Reusability: The solid metal frame protects the mesh media from damage during handling and installation. The entire assembly is durable, easily cleanable, and designed for repeated use, significantly reducing long-term operating costs compared to disposable filters.
  • Versatile Performance: The filtration characteristics can be precisely engineered by adjusting wire diameter, mesh density (number of loops per unit area), and compression level. This allows for customization based on the required particle retention size and flow rate.
  • Tinkle-Free Construction (Critical for Sensitive Applications): Advanced manufacturing methods exist to produce filters completely free of “tinkles”—loose metal fragments that can be generated when cutting knitted mesh. This is essential for applications like fuel or hydraulic filtration where contaminant release is unacceptable.

Specification of Framed Knitted Mesh Filters

FeatureSpecification
Filter MediaKnitted Wire Mesh
Mesh MaterialsStainless Steel, Galvanized Steel, Aluminum, Copper, Nickel Alloys
Frame MaterialsStainless Steel, Galvanized Steel, Aluminum
Key Physical PropertiesCustomizable Thickness, Porosity, and Air Permeability
Filtration EfficiencyDependent on Design Parameters
Operating EnvironmentHigh-Temperature & Corrosive Service
DimensionsStandard & Custom
Quality AssuranceCompliant with Industry Standards

Applications of Framed Knitted Mesh Filters

  • HVAC and Ventilation Systems
    Used as pre-filters or main filters in air handling units to remove dust, oil mist, and larger particulates, protecting downstream components and improving overall system efficiency.
  • Commercial Kitchen Exhaust Systems
    Effectively capture grease and oil aerosols from cooking fumes, reducing fire risk, minimizing duct contamination, and supporting compliance with fire and hygiene regulations.
  • Industrial Oil Mist Filtration
    Applied in CNC machines, lathes, and other metalworking equipment to separate oil mist and coolant aerosols from exhaust air, enabling air recirculation and cleaner working environments.
  • Machinery Air Intake Protection
    Installed at air inlets of compressors, blowers, engines, and industrial equipment to prevent dust, fibers, and contaminants from entering sensitive components.
  • Gas and Liquid Pre-Filtration
    Used as coarse or pre-filters in chemical processing, petrochemical, and power generation systems to remove solid impurities and coalesce liquids, extending the service life of fine filters.
  • Environmental and Process Venting
    Suitable for exhaust and vent systems where durability, washability, and stable performance under continuous operation are required, especially in high-temperature or corrosive conditions.

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