Catalogue 9 - STAUFF Filtration Technology D 119 Product Description STAUFF RTF-N Return-Line Insert Filters allow for a choice of installation configurations which permits custom reservoir design with an in tank filtering system. The filters are installed semi-immersed or totally immersed into a reservoir. The filtration flow is from inside to the outside of the element which ensures that all the contaminant is collected inside the element itself avoiding contact with the reservoir fluid during element change. The combination of magnetic pre-filtration and high filtration efficiency results in a cost effective and versatile filtration system. Return-Line Filters § Type RTF-N Technical Data Construction ƒ Insert filter Materials ƒ Flange plate: Aluminium ƒ Magnet rod: Steel ƒ Bypass: Steel ƒ Diffuser: Steel ƒ Sealings: NBR (Buna-N®) FKM (Viton®) Other sealing materials on request Flow Rating ƒ Up to 500 l/min / 132 US GPM Operating Pressure ƒ Max. 10 bar / 145 PSI Temperature Range ƒ -29 °C ...+107 °C / -20 °F ... +225 °F Filter Elements ƒ Specifications see page 122 Media Compatibility ƒ Mineral oils, other fluids on request Options and Accessories Valve ƒ Bypass valve: Opening pressure 1,5 bar / 22 PSI (integrated in the Other settings available on request filter element) Catalogue 9 § Edition 04/2020 Return-Line Filters