SAB Drum Brake
SDB Front View

These Safety Drum Brake are Spring-Applied, Electrohydraulic Thrustor released. Equipped with an automatic wear compensation to ensure constant torque whatever the wear of the lining pads but can also integrate many other options.

Design of the SAB is according with AISE US standard.


  • Steel Industry
  • Offshore
  • Nuclear Power Plant
  • Hydropower Plant
  • General Machinery
  • Bridge and Dam
  • Mining and Conveyors
  • Crane and Hoist


  • According with US standard AISE n°11
  • Spring application braking
  • Thrustor release
  • Standard voltage 230/460 VAC 60Hz
  • Paint color RAL7021
  • Protection level C4M
  • Automatic lining wear compensation
  • Brake shoe auto-aligning device
  • Scale for torque adjustment
  • Brake lever synchronization
  • Aluminium shoes with non abestos organic linings
  • Self lubricated bushings at main hinge points
  • Galvanized steel spindles and hinge
  • Ambient temperature: -20°C to 50°C
  • IP rating: IP65


  • AV - DV Thrustor delay: Ascent Valve or Descent Valve
  • BELS Brake Engaging Limit Switch
  • BRLS Brake Release Limit Switch
  • HRL Hand release lever with or without stop
  • HRLM Switch for hand release monitoring
  • LWI Full lining wear indicators
  • SPA Paint according to Customer Specification
  • SV Special Voltage

Technical Specifications

  • Braking Torque: 55 - 8800 lb.ft
  • Max Speed: 50 m/s
  • Diameter: 6'' - 30''
  • Standard: AISE
  • Stromag France - Industrial Caliper & Drum Brakes (SIME Brakes)
    Avenue de l’Europe
    F-18150 La Guerche sur l’Aubois
We are now a part of Regal Rexnord.