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
| Specifications | ||
|---|---|---|
| Model: | QBA15 | QBA60 |
| 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. |
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Wabtec Bus Solutions
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