【Security Filter】Stainless Steel Precision Filter

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Shanghai Kuosi Electronic Co., Ltd.

Shanghai, China

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Most of the precision filtration devices (also known as security filters) are made of stainless steel with a filter element (such as PP cotton) inside, which are mainly used after multi-media pretreatment filtration and before reverse osmosis, ultrafiltration, and other membrane filtration equipment.

It is used to filter out fine substances (such as tiny quartz sand, activated carbon particles, etc.) after multi-media filtration to ensure the accuracy of water filtration and to protect the membrane filter elements from being damaged by large particles.

The precision grades of the filter cartridges installed in the precision filtration device can be divided into 0.5μs, 1μs, 5μs, 10μs, etc., and different filtration precisions are selected according to different application occasions to ensure the accuracy of the rear effluent and the safety of the membrane elements of the latter stage.
PP cotton, nylon, meltblown, and other different materials are used as filter elements to remove microscopic suspended solids, bacteria, and other impurities in the water so that the quality of the raw water meets the influent requirements of the reverse osmosis membrane.
【Security filter】Stainless steel precision filter has the following characteristics:

Can effectively remove suspended solids, rust, etc. in the liquid.
Can withstand higher filtration pressure.
The unique deep mesh structure enables the filter element to have a higher slag-holding load capacity.
The filter element can be made of various materials to meet the needs of various fluid filtration.
Small volume, large filter area, small resistance, and long service life

                                                            Design pressure
                                                            0.75—1.6Mpa
                                                        
                                                            Seal type
                                                            O-ring and flat gasket
                                                        
                                                            Design temperature
                                                            20℃~120℃
                                                        
                                                            Sealing material
                                                            nitrile rubber, silicone, fluorine rubber, PTFE, etc., the standard configuration is a silicone seal
                                                        
                                                            Interface form
                                                            tooth mouth, clamp, GB, HG, DIN, ANSI, JIS standard flange
                                                        
                                                            Applicable filter elements
                                                            Flat and 222 and 226 socket filter elements
                                                        
                                                            Filtration precision
                                                            0.5μm--100μm
                                                        
                                                            Material
                                                            SUS304 316L
                                                        
                                                            Surface treatment
                                                            matt spraying, mirror polishing, electrolytic polishing

1. Nanofiltration (NF), ultrafiltration (UF), reverse osmosis (RO), electrodialysis (EDI), and other system security filtration and terminal filtration;
2. Filtration of pharmaceutical injections, large infusions, eye drops, Chinese herbal medicines, etc., extraction, purification, and concentration of biological preparations
3. Pre-filtration and terminal filtration of high-purity water for electronics, microelectronics, and semiconductor industries
4. Filtration of oil field reinjection water, boiler feed water, chemical reagents, liquid organic products, high-purity chemicals, concentrated drugs, etc
5. Filtering of drinking pure water, mineral water, fruit juice, tea drinks, and health drinks
6. Filtration of liquor, wine, beer, rice wine, and other fruit wines, sterilization, and filtration of pure draft beer (instead of pasteurization)
7. Pretreatment filtration or security filtration in the process of production, domestic wastewater treatment, and reclaimed water recycling
8. Others such as biological engineering, oil refining, printing and dyeing, water supply and wastewater treatment in the textile industry, scientific research and experimental filtration, etc.