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Page 62Hydrastart Selection Chart1000800600400200725 9600 1440 17502950 3600HS13HS12HS11HS10100806040HS8HS620HS4kW10864HS221.00.80.60.40.2500 600 700 800 900 1000 1200 1400 1600 1800 2000 2400 2800 3200 3500t/mnLarger coupling sizes are available up to 2000kW at 1400 RPMThis chart may be used for the selection of coupling size. If yourselection falls on a dividing line, always select the next largestsize and use reduced oil fill.Hydrastart couplings can be used for up to five equi-spacedstarts per hour.Applications requiring more than five starts an hour shouldalways be referred to Renold.NOTE: Hydraulic couplings will not compensate for an undersizedelectric motor.!WARNINGRotating equipment must be provided witha suitable guard before operating or injurymay result.!WARNINGIt is the responsibility of the system designerto ensure that the application of the couplingdoes not endanger the other constituentcomponents in the system. Service factorsgiven are an initial selection guide.Resilient and Soft Start Couplings