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Railway track systems Variant ThyssenKrupp System W 97 / for 49E5 / 54E4 made of concrete sleepers Page: 119-10 System W 97 for concrete sleepers Characteristics: The rail fastening W 97 was developed as an adapter solution for using the rails with rail flange width of 125 mm (rails 49E5, 54E4) on concrete sleepers B 70 W-60 that requires the rail flange width of 150 mm. Here, specifically, the use of reclaimed sleepers B 70 W-60 is considered (from the year 1974), as standard equipment of DB. • • • Tracks with a permissible speed v < 160 km/h Tracks with a traffic density < 30,000 Lt/d Routing and marshalling attachments Authorisation under: • • • • DBS 918127 DIN EN 13481-2 Creep distance in Rail longitudinal direction Electrical resistance F = 10 kN R33 = 7,11 k Ω (according to 3.0 Mio. load changes) (average) Tightening torque 200 Nm installed pre-installed 7 6 5 4 3 2 1 Pos. 1 2 1 1 2 2 1 Number/Support point Intermediate level Plastic dowel Angular guide plate Special angular guide plate Rail clamps Sleeper screws with track Rail Designation Zw 686a Sdü 25 (alternatively Sdü 9) Wfp 3b - 22 Wfp 3b - 28 Skl 1 / 97 Ss 25 (alternatively Ss 35) with Uls 7 49E5 / 54E4 Brief description Without scale/schematic diagram Date of issue 08/10