Spring Engaged / Air Released Brakes


  • Spring set friction brake is engaged by spring pressure at a fixed torque and releases with the application of designated air pressure


  • Spring set brake flange bolts to machine frame or other fixture, shaft inserts into bore and is fixed with a customer supplied key
  • Can also be mounted mid-shaft
  • Spring set brakes are designed for horizontal mounting. If vertical mounting is required, consult engineering for options


  • Spring set brakes are designed for Holding applications
  • Maximum RPM varies by model. Please consult the detail sheets (below). Consult engineering if the intended application exceeds the listed maximum RPM.

Design Features:

  • Spring set brakes are bored to suit up to the maximum shown (US & Metric) for easy installation
  • Drilled & slotted flange for variable installation arrangements
  • Available with either high or low* coefficient friction linings for same price

MACH III Products