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Drag Brakes

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Spring Wrapped Drag Brake

Spring Wrapped Drag Brake – CO-B Series


  • Long life under continuous slip conditions
  • Unidirectional or bidirectional operation
  • Same or different CW and CCW torques
  • Precise and stable limit torque calibration
  • Range: 1.0 to 600 oz·in
  • Same torque at breakaway as at high slip velocities
  • Slot for pin coupling
  • Corrosion resistant materials

  • Drag torques for supply reels
  • Safe holding of backdriving loads
  • Friction loading of mechanism
  • Friction loads for testing components

    Federal supply code - 15531

    Search  Spring Wrapped Drag Brake – CO-B Series - 24 Items

  • Tension Control System

    Tension Control System


    For constant tension in web spooling applications.

  • Self regulating. Constant tension from full to empty supply spool
  • Purely mechanical tension control, requires no electrical input
  • Long life under continuous slip conditions
  • Low drag torque during acceleration
  • High brake torque during deceleration
  • Smooth operation, free from jitter
  • Tension unaffected by slip speed
  • Minimizes material spillage
  • Torque ranges from 1 to 50 in·lb
  • Can be supplied as a complete system

    Federal supply code - 15531
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