Delkor Rail

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Delkor ALT.1Rail fastening systems for Slab TracksSimple, reliable and highly robust rail fastener formaintenance-free operation.The Delkor ALT.1 is a one-piece, highly robust rail fastener consisting of a top plate and base frame, which are durablyVulcanised together by means of a natural rubber boot. The underside of this rubber component is specially profiledand designed to allow movement of the top plate holding the rail. The outer frame of the ALT.1 rail fastener totallyencompasses the top plate, making the unit totally fail-safe. The ALT.1 rail fastener ensures the necessary resilience in allsix degrees of movement. This feature also reduces the dynamic stress on the anchoring elements and the base structure.The profiled rubber on the bottom side of the ALT.1 is only exposed to compression loads, with its spring characteristicbecoming more progressive as the load increases. This avoids excessive deflections in the event of overloading thefastener. Another feature of the ALT.1 is that the rubber boot is not subjected to any preload, which ensures resistance toaging and provides long maintenance-free performance across a wide variety of applications.Design features• Vibration and noise attenuation• Bonded one-piece unit: no wearing parts• Single rubber dampening element• Proven fatigue life• High electrical insulation• Fail-safe design• Maintenance-free long life performancein excess of 30 years.Technical DataStatic Stiffness (Cstat): 12 – 30 kN/mmMaterial:Metal Parts, SG Iron,Elastomer, Natural RubberLateral Adjustment: Up to +/– 15 mmVertical Adjustment: Up to 25mm (by packers)Rail Clips:Pandrol/Vossloh and othersElectrical Insulation: > 1 MOhmVertical Deflection: Up to 3.5 mmRatio Cdyn, Cstat: < 1.4
Delkor EggRail fastening systems for Slab TracksHighly resilient rail fastener for high vibration and noiseattenuation. Simple, reliable and maintenance-free.The Delkor Egg is a highly resilient rail fastener consisting of a top plate and base frame, which are durably Vulcanisedtogether by means of a natural rubber collar. This achieves a low static stiffness while ensuring a high degree of railstability. The Egg rail fastener ensures optimum vibration and structure-borne noise reduction in six degrees of movement.Due to the very low dynamic to static stiffness ratio, the Egg achieves a high degree of vibration and secondary noiseattenuation.Design features• High vibration and noise attenuation• Very low static and dynamic stiffness• Dual stiffness capability• Bonded one-piece unit: no wearing parts• Single rubber dampening element• Proven fatigue life• High electrical insulation• Fail-safe design• Maintenance-free long-life performancein excess of 30 years• Low profile design availableTechnical DataStatic Stiffness (Cstat):Material:Lateral Adjustment:Vertical Adjustment:Rail Clips:Electrical Insulation:Vertical Deflection:Ratio Cdyn, Cstat: < 1.4Vibration levels before and afterinstallation of Delkor Eggs on railsystem under ANA Hotel, Sydney.6 – 15 kN/mmMetal Parts, SG Iron,Elastomer, Natural RubberUp to +/– 15 mmUp to 25 mm (by packers)Pandrol/Vossloh and others> 1 MOhmUp to 4.5 mmVibration measurement within hotel ballroom located next to rail tunnel.
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Delkor Rail

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