Duplex - Static Filters

Duplex Filters consist of two separate simplex filter housings connected by two 3-way change-over valves, allowing in-service cleaning of one filtering element without interrupting the process flow.
Operation of the FILTREX valve is safe and easy, no special tooling is required, and it allows, if required, the simultaneous operation of the two simplex filters.
The Filter media can be provided with a wide range of filtration degrees
o Basket material: Stainless Steel AISI 316L
o Cartridges material: Polypropylene, Polyethylene, Fiberglass, Cotton, etc.

Duplex filters are used where it is not advisable to shutdown the process and continuous filtration is absolutely necessary.

Duplex filters provide a reliable filtration of Fluids in the following applications:

  • Diesel Engines
  • Power Generation
  • Industry
  • Oil&Gas
  • Environment Protection
  • Desalination
  • Chemical & Petrochemical


  • Low investment cost
  • Well-known Technology
  • Continuous operation
  • High dirt holding capacity
  • Wide range of MOC – (Carbon Steel, Stainless steel, Duplex, Super-Duplex on request)