SDB Drum Brake
SDB Front View

These Safety Drum Brake are Spring-Applied and released with Electrohydraulic Thrustor. 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 SDB is according with DIN standard 15435.


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


  • According with DIN standard15435
  • 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
  • SW Steel work
  • BRLS Brake Release Limit Switch
  • HRL Hand release lever with or without stop
  • LWI Full lining wear indicators
  • SPA Paint according to Customer Specification
  • SV Special Voltage

Technical Specifications

  • Braking Torque: 80 - 9600 Nm
  • Max Speed: 50 m/s
  • Diameter: 160 - 710 mm
  • Standard: DIN 15435
  • 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.