Cartridge filter 1

Cartridge Filter


Cartridge Filter


Cartridge filters are tubular filtration equipment that can be used across a variety of industries to meet various filtration requirements. A cartridge is encased within a housing or a casing and used to remove unwanted particles, pollutants, and chemicals from liquids. The cartridge filters liquids, liquids or solvents as they flow inside the housing and pass through the filter element. Cartridge filters can also remove submicron particulates.

There are two categories of cartridge filter

Surface filter –   A surface filter restricts particle entry to the media by restricting fluid flow through a layer of material at the surface. The size of the particles that pass through the surface filter is greater than the mean pore size of the medium. As time passes, the filter surfaces become caked with particles, reducing the flow beyond acceptable limits. At this point, the filter surface must be cleaned and re-used. Surface filters have a shorter shelf life and are cheaper. The mechanical strength of the filter medium is less (with the exception of stainless steel).

Depth filter – A depth filter traps all contaminants, pollutants, and solids within the media. With depth filtration, particles are forced to follow a tortuous path through thicker media/or multiple layers of media, which makes passing through them impossible. The size of particles is much smaller than the mean pore size of the medium. Contaminants are drawn through the depth filter, where they get trapped, gradually blocking the pores. The pores then have to be cleaned with a reverse flow of fluid or replaced. Compared to the surface filter, a depth filter is expensive but it has a longer shelf life. Mechanical strength of filter medium is high

Filter cartridges are used in many industrial applications to trap contaminants and solid waste. These liquid filter cartridges must be replaced when they reach their pre-set differential pressure.

Features & Benefits

  • Easy to install
  • Lower maintenance
  • Relatively inexpensive
  • Backwashing is easy
  • They generally take up less room
  • Cartridge filters are generally regarded as filtering down to 30 microns. However, over a short period of time they can be filtering down to 5-10 micron


  • Drinking water treatment
  • Food & Beverage
  • Industrial water treatment
  • Chemicals & solvents
  • Acid filtration
  • Animal & vegetable oil
  • Paints & coatings
  • High Temperature application fluids
  • Photoelectron Chemical Filtration

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