Double diaphragm Spring brake actuator

DDSB consists of service brake chamber and a spring brake chamber. The air pressure applied into the service chamber is converted into mechanical output force. The spring chamber provides the mechanical braking force to park the vehicle. In addition, a mechanical release arrangement is provided in the unit to release the parking brake after brake failure. ProVia offers a cost attractive, high performance spring brake actuators for commercial vehicles.

 
 

About

  • Designed, engineered and tested by aftermarket specialists, created for aftermarket needs; manufactured in Europe for the global market;
  • Two-function variants available: basic and height limitation with dual circuit design.
  • A competitively priced product that doesn’t compromise on safety. Compatible with a wide range of OE systems.

Key Features

  • 1 million lifecycles for service chamber, 200,000 cycles on park chamber.
  • 96 hours corrosion resistance
  • Working temperature: –40 °C to +80 °C
  • Maximum working pressure: 10 bar
  • Crimp design on spring brake chamber for customer safety
  • Delivered with yoke
  • Lower leakage

Standards & Quality

  • SAE standard
  • Stroke length 2.5" / 63.5 mm

Benefits

  • All fulfills the SAE standards
  • More operating cycles and universal application
  • The No compromise on safety choice

Benefits Comparison

Double diaphragm Spring brake actuator | Cross References

ProVia number Size Stroke A - Length B - Piggyback J - Push-rodlength(withoutfork) K -Push-rodlength +fork Weight Haldex
PRO 393 200 0 30/30 2.50"(63.5 mm) 9.1''±0.2 6.8" 1.00" 2.25" 20 lbs GC3030CW
PRO 393 201 0 30/30 2.50" (63.5 mm) 9.1''±0.2 6.8" 11.3" 12.5" 20 lbs GC3030CW(with longer push-rod)
PRO 393 100 0 30/30-L 3.00" (76.2 mm) 10.2"±0.2 7.8" 1.00" 2.25" 21 lbs GC3030LCW
PRO 393 103 0 30/30-L 3.00" (76.2 mm) 10.2"±0.2 7.8" 11.3" 12.5" 21 lbs GC3030LS4CW
PRO 393 101 0 30/30-L 3.00" (76.2 mm) 10.2"±0.2 7.8" 5.55" 6.80" 21 lbs GC3030LS5CW
PRO 393 102 0 30/30-L 3.00" (76.2 mm) 10.2"±0.2 7.8" 1.62" 2.87" 21 lbs GC3030LS6CW
PRO 393 202 0 30/30 2.50" (63.5 mm) 9.1''±0.2 6.8" 9.75" 11.00" 20 lbs GC3030S4CW
PRO 393 203 0 30/30 2.50" (63.5 mm) 9.1''±0.2 6.8" 5.50" 6.80" 20 lbs GC3030S5CW
PRO 393 204 0 30/30 2.50" (63.5 mm) 9.1''±0.2 6.8" 1.62" 2.87" 20 lbs GC3030S6CW

PROVIA DISCLAIMER

The data or information contained in this document are intended for authorized ProVia distributors only, and shall not be passed to any third party.The document is provided for informative purposes only, and the provision shall not be construed as a warranty or guarantee regarding the accuracy, adequacy, completeness, timeliness or usefulness of the data or information or the characteristics of a product.
ProVia shall not be held liable for errors or omissions in the data or information, or for any damage, including, without limitation, lost profits or consequential damages, relating in any way to the use of the data and information, except in case the respective damage is based on an event caused by willful intent or gross negligence.