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Introduction to Precision Filter Functions and Applications

Cartridge Filter

Precision filters, also known as security filters, are generally installed before the pressure vessel to remove fine particles with a turbidity above 1 degree. Sometimes also installed at the end of the entire water treatment system to prevent small particles ( such as broken resin). 

Precision Filter
Precision Filter

Precision filter (also called security filter) mostly use stainless steel as the housing, with filter elements inside, using PP cotton, nylon and other different materials as filter elements to remove tiny suspended solids, bacteria and other impurities in the water. It will improve the quality of the raw water meets the inlet water requirements of the reverse osmosis membrane.

Technical parameter

  • Design pressure: 0.75-1.6Mpa
  • Design temperature: 20℃~120℃
  • Sealing type: O-ring and flat washer
  • Sealing material: nitrile rubber, silica gel, fluorine rubber and PTFE, etc. The standard configuration is silica gel seal
  • Interface form: tooth mouth, clamp, GB, HG, DIN, ANSI, JIS standard flange
  • Applicable filter element: flat and 222 and 226 socket filter elements
  • Surface treatment: matte spraying, mirror polishing, electrolytic polishing
  • Filtration precision: 0.5μm--100μm
  • Material: SUS304 316L
Precision Filter

Application:

  • Security filtration and terminal filtration of NF, UF, RO, EDI and other systems.
  • Filtration of medical injections, extraction, purification, and concentration of biological preparations
  • High-purity water pre-filtration and terminal filtration for electronics, microelectronics, and semiconductor industries.
  • Filtration of oilfield reinjection water, boiler make-up water, chemical reagents, liquid organic products, high-purity chemicals, pesticides, etc.
  • Filtration of purified drinking water, mineral water, fruit juice, tea drinks, and health drinks.
  • Filtration of liquor, wine, beer, rice wine and other fruit wine, sterilization filtration of pure draft beer (instead of pasteurization).
  • Pretreatment filtration or security filtration in the process of production and domestic wastewater treatment and reclaimed water recycling. 
  • Others such as biological engineering, oil refining, printing and dyeing, water supply and wastewater treatment in the textile industry, scientific research experiment filtration, etc.

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