Torsion Spring-Balance Units 790 EZ-Adjust Series

The OPW 790 Series EZ Adjust Loading Arm Spring-Balance permits any one of a full range of spring balance adjustments with a simple turn of the wrench. The 790 is the ultimate user-friendly solution to spring adjustment.



  • EZ, safe adjustment
  • Wide range of motion
  • Fully adjustable upward/downward travel stops
  • Integral spring containment safety feature
  • No special tools required
  • Available in right-hand and left-hand configurations
  • Available with optional automatic engaging lockdown


  • Affords users easy, precise spring balance adjustments
  • Guaranteed spring-balance performance
  • Safe performance
  • Eliminates labor-intensive steps

Order Guide

All OPW Counterbalances are color-coded for easy identification. The following chart can be used to properly identify your spring balance unit.


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