onboard air systems
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heavy duty oba p/n 10005
VIAIR’s Medium Duty Onboard Air System is a pre-packaged compressed air solution that provides a 33% duty cycle 325C compressor, 2.5 gallon air tank, and all components needed to install basic vehicle-based pneumatics.
Included Parts
- 2.5 Gallon VIAIR Air Tank
- 325C VIAIR Compressor
- 1/4” NPT Quick Connect Coupler (M)
- Dash Panel Gauge with ON/OFF Switch
- Pressure Switch with Relay (110 PSI on, 150 PSI off)
- Reducer (1/8” NPT F to 1/4” NPT M)
- 1/4” NPT 175 PSI Safety Valve
- 1/4” NPT Drain Cock
- 4” Strip of Continuous Grommet Material
- 20ft. 12-Gauge Wire with Inline Fuse Holder
- Electrical Connections
Specifications
12-Volt
Permanent Magnetic Motor
Duty Cycle: 33% @ 100 PSI
Max. Working Pressure: 150 PSI
Max. Amp Draw: 21 Amps
Tech Links
Dimensional Drawings
Recommended Wiring Diagram
Recommended Plumbing Diagram
Performance Data
PSI CFM A BAR LPM A
0 1.38 14 0 39.0 14
10 1.29 16 1.0 36.0 16
20 1.24 16 2.0 34.0 18
30 1.20 18 3.0 32.5 19
40 1.17 18 4.0 30.0 20
50 1.13 19 5.0 27.0 21
60 1.04 20 6.0 25.5 21
70 0.97 21 7.0 24.0 21
80 0.92 21 8.0 22.5 21
90 0.88 21 9.0 20.5 21
100 0.85 21 10.0 19.0 21
110 0.81 21  
120 0.78 21
130 0.72 21  
140 0.69 21  
150 0.65 21 *Supply Voltage: 13.8 Volts
Fill Rates
2.5 Gallon Tank Fill Rate
0 to 145 PSI 4 Min. 15 Sec.
110 to 145 PSI 1 Min. 25 Sec.
31" x 10.5" Fill Rate
0 to 30 PSI 4 Min. 58 Sec.
15 to 30 PSI 2 Min. 45 Sec.
33" x 12.5" Fill Rate
0 to 30 PSI 7 Min. 15 Sec.
15 to 30 PSI 3 Min. 55 Sec.

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