36 www.stauff.com/9/en/#36 C Description STAUFF Pressure Filters were designed for in-line mounting in hydraulic and lubrication systems. They are placed behind the pump and clean the hydraulic oil before it flows through down-stream components like valves, cylinders and so on. The main reason for pressure filtration is the protection of downstream, sensitive components. Eroded particles from the pump are immediately filtered out of the hydraulic oil. Besides working as a protection filter, Pressure Filters also help to maintain the required purity class. Because it is placed right behind the pump, a Pressure Filter has to withstand the maximum system pressure. The filter element in the Pressure Filter also has to withstand the loads and is more intricately constructed, for example as a Return-Line filters element. STAUFF Pressure Filters are available in many different sizes, connections and configurations. Media Compatibility Mineral oils, other fluids on request Options and Accessories Valve Also available with bypass, reverse flow, non-return or multi-function valve Clogging Indicator On request with visual, electrical or visual-electrical differential pressure indicator Type SF High Pressure Filter designed for in-line assembly Threaded mounting holes on top and fluid ports on side of head Also available as toploader, with bowl in two-part style Operating pressure: max. 420 bar / 6000 PSI Nominal flow rate: max. 1135 l/min / 300 US GPM Materials: Filter head: Spheroidal Graphite Cast Iron, Filter bowl: Cold Drawn Steel Connections: option of BSP, NPT, SAE thread or SAE flange (ISO 6162-1/2) Type SF-TM High Pressure Filter designed for manifold mounting Mounting holes and fluid ports on top of head Also available as toploader, with bowl in two-part style Operating pressure: max. 315 bar / 4560 PSI Nominal flow rate: max. 1135 l/min / 300 US GPM Materials: Filter head: Spheroidal Graphite Cast Iron or rather Free Cutting Steel, Filter bowl: Cold Drawn Steel Type SFZ High Pressure Filter designed for sandwich plate mounting Available as right or left version Operating pressure: max. 315 bar / 4560 PSI Nominal flow rate: max. 30 l/min / 8 US GPM Materials: Filter head: Free Cutting Steel, Filter bowl: Cold Drawn Steel Type SFA Medium Pressure Filter designed for in-line assembly Threaded mounting holes on top and fluid ports on side of head Low weight and compact design Operating pressure: max. 160 bar / 2320 PSI Nominal flow rate: max. 240 l/min / 70 US GPM Materials: Filter head: Cast Aluminium, Filter bowl: Aluminium Connections: option of BSP, NPT, SAE-thread or SAE flange (ISO 6162-1) Type SMPF Medium Pressure Filter designed for in-line assembly Operating pressure: max. 110 bar / 1600 PSI Nominal flow rate: max. 90 l/min / 25 US GPM Materials: Filter head and bowl: Aluminium Connections: BSP, SAE-thread Catalogue 9 § Edition 06/2024 Pressure Filters
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