Standard Star Couplings, Spider Couplings,
Up to size ROTEX® 90 inclusive single spiders are used. For ROTEX® couplings from size 100 to 180 the spider consists of DZ tooth segments as a standard. The single spider will still be available in these sizes as an option. General description. ROTEX® couplings are torsionally flexible and designed for positive torque transmission.
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