{"id":10082,"date":"2025-12-03T10:43:04","date_gmt":"2025-12-03T09:43:04","guid":{"rendered":"https:\/\/lubeteam.it\/prodotto\/fra-ufi-return-line-filters\/"},"modified":"2025-12-19T16:12:28","modified_gmt":"2025-12-19T15:12:28","slug":"fra-ufi-return-line-filters","status":"publish","type":"product","link":"https:\/\/lubeteam.it\/en\/product\/fra-ufi-return-line-filters\/","title":{"rendered":"FRA UFI Return Line Filters"},"content":{"rendered":"

FRA UFI Series Return Line Filters: Efficiency and Versatility for Return Lines<\/strong><\/h3>\n

The FRA series by UFI Filters represents an advanced solution for return line filtration in hydraulic systems. These filters are specifically designed for installation on the top of the tank (\u201ctank top return line filter\u201d), preventing contaminants from entering the reservoir and protecting system components from wear.<\/p>\n

Design Features and Materials<\/strong><\/h3>\n

The construction of FRA filters combines lightweight and durable materials to ensure long service life and reliability:<\/p>\n

    \n
  • Head and Cover:<\/strong> Made of aluminum alloy.<\/li>\n
  • Housing (Bowl):<\/strong> The material varies depending on size to optimize performance. It is made of polyamide<\/strong> for models FRA 21, 31, 32, 33, and 41, and zinc-plated steel<\/strong> for models FRA 11, 42, 51, 52, 53, and 5D.<\/li>\n
  • Bypass Valve:<\/strong> Integrated into the system, made of polyamide, set at 170 kPa (1.7 bar) \u00b110% to ensure fluid flow in case of clogging or low temperatures.<\/li>\n
  • Seals:<\/strong> Standard NBR nitrile, with optional FKM fluoroelastomer upon request.<\/li>\n<\/ul>\n

    Filter Elements and Media<\/strong><\/h3>\n

    The FRA series supports a wide range of FormulaUFI filter media to meet different cleanliness requirements:<\/p>\n

      \n
    • FormulaUFI.MICRON (FA, FB, FC, FD):<\/strong> Glass microfiber with filtration from 5 to 21 \u00b5m (\u00df > 1,000).<\/li>\n
    • FormulaUFI.CELL (CC, CD):<\/strong> Impregnated cellulose at 10 \u00b5m and 25 \u00b5m (\u00df > 2).<\/li>\n
    • FormulaUFI.WEB (ME):<\/strong> Metal mesh at 60 \u00b5m.<\/li>\n<\/ul>\n

      The filter element is designed to withstand a collapse differential pressure of 300 kPa (3 bar).<\/p>\n

      Performance and Operating Conditions<\/strong><\/h3>\n

      FRA UFI Return Line Filters<\/strong> deliver high performance in a compact design:<\/p>\n

        \n
      • Maximum Flow Rate (Qmax):<\/strong> Up to 700 l\/min.<\/li>\n
      • Operating Pressure:<\/strong> Max 300 kPa (3 bar).<\/li>\n
      • Operating Temperature:<\/strong> From -25\u00b0C to +110\u00b0C.<\/li>\n<\/ul>\n

        Accessories and Options<\/strong><\/p>\n

        The series offers flexibility through various options and accessories:<\/p>\n

          \n
        • Ports:<\/strong> Available with BSP, NPT, SAE threads, and SAE 3000 psi flanges.<\/li>\n
        • Clogging Indicators:<\/strong> Provision for rear or bottom-mounted pressure gauges and pressure switches.<\/li>\n
        • Additional Accessories:<\/strong> Option to integrate a magnetic core (M) or a filler cap (P).<\/li>\n<\/ul>\n

          Technical Summary Table of the Main Characteristics of FRA UFI Return Line Filters<\/h3>\n

           <\/p>\n

          \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
          Feature<\/th>\nValue<\/th>\n<\/tr>\n<\/thead>\n
          Type<\/td>\nTank-mounted return line filter<\/td>\n<\/tr>\n
          Maximum Flow Rate (Qmax)<\/td>\n700 l\/min<\/td>\n<\/tr>\n
          Maximum Operating Pressure<\/td>\n300 kPa (3 bar)<\/td>\n<\/tr>\n
          Element Collapse Pressure<\/td>\n300 kPa (3 bar)<\/td>\n<\/tr>\n
          Bypass Setting<\/td>\n170 kPa (1.7 bar) \u00b110%<\/td>\n<\/tr>\n
          Head\/Cover Material<\/td>\nAluminum alloy<\/td>\n<\/tr>\n
          Housing Material (FRA 21-31-32-33-41)<\/td>\nPolyamide<\/td>\n<\/tr>\n
          Housing Material (FRA 11-42-51-52-53-5D)<\/td>\nZinc-plated steel<\/td>\n<\/tr>\n
          Operating Temperature<\/td>\nFrom -25\u00b0C to +110\u00b0C<\/td>\n<\/tr>\n
          Fluid Compatibility<\/td>\nHH-HL-HM-HV-HTG (ISO 6743\/4)<\/td>\n<\/tr>\n
          Available Connections<\/td>\nBSP, NPT, SAE, SAE 3000 psi flanges<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

          FRA UFI Return Line Filters<\/strong> are designed for installation on the top of the tank, ensuring effective filtration of the return fluid. Featuring an aluminum alloy head, they use polyamide or zinc-plated steel housings depending on the model. They offer a maximum flow rate of 700 l\/min and an operating pressure of 300 kPa (3 bar). Equipped with a bypass valve set at 170 kPa (1.7 bar), they are compatible with ISO 6743\/4 fluids and operate within a temperature range of -25\u00b0C to +110\u00b0C.<\/p>\n","protected":false},"featured_media":9879,"template":"","meta":{"_joinchat":[]},"product_brand":[],"product_cat":[103,105,404],"product_tag":[288],"class_list":{"0":"post-10082","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-filters","7":"product_cat-hydraulic-filters","8":"product_cat-ufi-return-line-filters","9":"product_tag-ufi-filters","11":"first","12":"instock","13":"shipping-taxable","14":"product-type-simple"},"yoast_head":"\nFRA UFI Return Line Filters, Tank-Mounted \u2013 LubeTeam Hydraulic<\/title>\n<meta name=\"description\" content=\"FRA UFI Return Line Filters for hydraulic systems. 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