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Double Coiled Spring Washers for Railway Track with Dörken® Coating System Approved by DB
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2020-10-14
     Another positive result out of the great cooperation between Growermetal and Dörken®:
 
     DB (Deutsche Bahn) has recently approved the Delta-Protekt® KL100 coating on Growermetal’s patented Double coiled spring washers, produced according to UIC 864-3.
 
     These washers are widely used for railway applications, to fix the rail to the railroad ties. The partial serrations on the bearing surfaces of the washer prevent the loosening of the bolt and the risk of breakage. Railway washers are frequently exposed to challenging weather conditions.
 
     For this reason Growermetal supplies its Double Coiled Spring Washers coated with the high-performing Dörken® coating system Delta-Protekt® KL100 able to reach outstanding anticorrosion performances with over 720 hours in neutral salt spray test according to ISO 9227, without adhesion issues during operational stress or reduction in anti-loosening performance.
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