QBA Series Air Dryers
Wabtec Model QBA Series Air Dryers are designed for the critical demands of stop-and-go, high-air usage transit buses.
Patented multi-stage filtration components combined with twin-tower drying technology reliably filter heavy sludge, oil, carbon, water and dirt contamination. The QBA Series Air Dryers also eliminate troublesome winter air-line freezing. As the world leader in air-drying technology for severe duty, heavy rail, locomotive and rail transit industries, QBA Series Air Dryers deliver extraordinary performance, unequaled reliability, and lasting value.
Optimized, trouble-free performance in severe duty, transit bus environment
- Patented multi-stage, high-capacity filtration
- Advanced twin-tower design for continuous operation
- Self-cleaning stainless-steel scrubber pad
- Easy to install and replace
- Re-build kits available
- Available with compressor unload and turbo maintaining valves
- Heater/thermostat optional
- 2 models available
|Max Inlet Flow Rate:||21 SCFM / 600 Nl/min||60 SCFM / 1700 Nl/min|
|Max Working Pressure:||150 psi / 10.3 bar||50 psi / 10.3 bar|
|Operating Voltage:||12/24 (9-36) VDC||12/24 (9-36) VDC|
|Current Draw, Heaters Off||<1.0 A||<1.0 A|
|Current Draw, Heaters On:||<10.0 A, all voltages and wattages|
|Heater Power:||75 W @ 12 VDC||75 W @ 12 VDC|
|Regenerating Air Flow:||<20% of inlet air flow|
|Pressure Drop:||4.1 psi / .28 bar||5.1 psi / .35 bar|
|Drying Media:||Activated alumina|
|Package Configuration||Includes integrated filtratio and control unit|
|Height:||16.84” / 429 mm||18.02” / 458 mm|
|Width:||12.48” / 317 mm||13.68” / 347 mm|
|Depth:||8.74” / 222 mm||11.71”/ 297 mm|
|Weight (with and w/o Bracket):||43#/35# / 19.5 kg/15.9 kg||51#/45# / 23.1 kg/20.4 kg|
|Maintenance:||Annual filte element changes. Three (3) year desiccant change. Available with unloader valve.|
Wabtec Bus Solutions
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