www.jbj.co.uk/couplings.html#flender 12 #DriveLineHarmony ELPEX-S Series Design & Configurations Highly Flexible Couplings Materials Type EST Types ESN and ESD Hubs, part 1, part 2 Steel Steel Sizes 680 and 770 of spheroidal graphite cast iron Sizes 680 and 770 of spheroidal graphite cast iron Rubber disk element EN-GJL-250 grey cast iron / elastomer EN-GJL-400 spheroidal graphite cast iron / elastomer EN-GJS-500 EN-GJS-500 Outer flange Cast aluminum Zn10Si8Mg Cast aluminum Zn10Si8Mg Elastomer Materials of the Rubber Disc Element Material / Description Hardness ShoreA Marking Ambient Temperature Silicone rubber 55 ° … 65 ° NX -40 °C … +120 °C 60 ° … 65 ° NN -40 °C … +80 °C 70 ° … 75 ° SN -40 °C … +80 °C Natural-synthetic rubber mixture 50 ° … 55 ° WN -40 °C … +80 °C ELPEX-S Coupling Types ESNW Coupling designed as a shaft-shaft connection with a rubber disk element; rubber disk element radially dismountable ESDW Coupling designed as a shaft-shaft connection with two rubber disk elements; rubber disk element radially dismountable The following versions have already been implemented a number of times: Type Description ESD Coupling with hub, with two rubber disk elements ESNR Coupling with hub, rubber disk element radially dismountable ESDR Coupling with hub with two rubber disk elements; rubber disk elements radially dismountable EST Coupling suitable for mounting a Taper clamping bush » ELPEX-S coupling with axial backlash limiter » ELPEX-S coupling with brake drum, brake disk or flywheel mass » ELPEX-S coupling with fail-safe device » ELPEX-S coupling with bearing for mounting a cardan shaft » ELPEX-S coupling as part of a coupling combination Further application-related coupling types are available. Dimension sheets for and information on these are available on request. » ELPEX-S coupling with adapter » ELPEX-S coupling for engaging/disengaging during standstill
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