Optifil is a fully automatic, continuous system that works according to the principle of depth, surface or cake filtration. A metal fiber fabric or fleece is used as filter material, which retains particles of different sizes either inside or on its surface. After the pre-determined degree of contamination has been reached, the filter material is cleaned by backwashing a small quantity of filtered medium, while filtration continues during the backwash.

Features and Benefits
  • High solid content compared to other common automatic filtration systems.
  • High flow rates and outstanding filtration efficiency.
  • Partial backwash during filtration.
  • Minimum losses due to patented regeneration system.
  • Filters designed for operation pressure of 10 bar, higher pressures are possible upon request.
  • Low operation and maintenance costs.
  • Sizes for virtually all flow rates available.
  • Completely closed system.
Applications
  • Pulp and Paper
  • Fibre Industry
  • Chemical Industry
  • Electronic and Photovoltaic
  • Paint and Coat
  • Oil and Gas
  • Steel
  • Galvanic and Surface Treatment
  • Power
  • Water Treatment
  • Sugar Industry

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Talk to our Experts

FAQs

What are filter bags for?
Filter bags are an integral part of bag filter systems, used to capture and remove solid particles from liquids or gases. They help reduce downstream contamination and improve process efficiency across industries like chemicals, food & beverage, pharmaceuticals, and water treatment.
Gopani filter bags are available in materials such as polyester, polypropylene and nylon, plus specially treated media for high temperature or chemical resistance depending on your application.
Common collar options include steel ring collars, plastic collars and specialized welded collars to suit different housings and sealing methods.
Filtration ranges typically span from 1 micron to 500 microns depending on media and construction.
Flow rates depend on bag size, media and system design; we can help select the correct bag based on your LPM/GPM requirements.
Some filter bags can be cleaned and reused depending on the solids and application; however, single-use bags are common for contamination control.
Replace when you observe a significant pressure drop, physical damage to the bag, or when the recommended service life has been reached for your application.