Rolair V5112K28 Air Compressor – 5HP 120Gal
Maximum Air Output: Supplies 18.0 CFM @175PSI.
Space Saving Vertical: Offers massive air reservoir.
Heavy Duty Construction: Guarantees long-term durability.
Single Phase Power: Supports standard 200V.
Automotive Service Use: Powers professional pneumatic equipment.
Description
Rolair V5112K28 Air Compressor – Two-Stage Power
The Rolair V5112K28 Air Compressor – 5HP 120Gal provides a heavy-duty solution for industrial facilities requiring high-volume compressed air and maximum reliability. This 120-gallon horizontal system is engineered for continuous operation, delivering consistent pressure for large-scale pneumatic tool applications. Focusing on volumetric efficiency ensures this unit excels as one of the heavy duty shop compressors preferred by professional North American operators.
Rolair V5112K28 Technical Specs
- Tank Capacity: 120 Gallon ASME
- Lubrication Type: Splash Lubricated Pump
- Motor Rating: 5HP NEMA ODP
- Power Specs: 230V Single Phase
- Pressure Max: 175 PSI Limit
- Air Delivery: 18.8 CFM @ 90 PSI
- Warranty: 1-Year Factory Terms
Durable Cast Iron Construction
This 5HP system features a 100% cast iron pump and cylinders to ensure superior heat dissipation during heavy duty cycles. The internal assembly utilizes Swedish Steel valves and a finned intercooler to maintain thermal stability. An oversized crankshaft and balanced flywheel minimize vibration, protecting the internal bearings and extending the service life of the pump components.
Professional Maintenance Access Points
Engineered for professional uptime, this system provides DIY-friendly access for routine lubricant changes and valve inspections. The external oil sight glass facilitates rapid level checks while the accessible tank drain ensures efficient moisture management. These design features allow shop managers to maintain peak performance without requiring specialized mechanical tools.
Optimized Operational Cost Efficiency
The high volumetric efficiency of this pump translates into a superior ROI by reducing electrical consumption per CFM delivered. By optimizing pressure retention and cooling, the system effectively reduces motor cycling frequency and unnecessary component wear. This results in measurable long-term savings on utility expenses.
Versatile Industrial Shop Applications
Designed for professional collision repair and manufacturing plants, this 120-gallon horizontal unit supports multiple pneumatic impact wrenches simultaneously. The system integrates perfectly into fixed CNC air supply lines or high-volume paint booths. A centrifugal unloader ensures reliable cold-weather startups for units located in service trucks or detached industrial bays.
The Rolair V5112K28 Air Compressor – 5HP 120Gal delivers the consistent pressure and durability required for demanding high-output environments. Request Technical Quote or Check Availability at Muldepot.com.
Rolair V5112K28 Air Compressor Specs
| Brand | Rolair |
| Full Model Code | V5112K28 |
| Country of Origin | USA |
| Compressor Type | Reciprocating Piston (Two-Stage) |
| Lubrication Style | Splash Lubricated |
| Cooling System | Air Cooled |
| Motor Power | 5 HP |
| Max Working Pressure | 175 Psi |
| Free Air Delivery / Capacity | 15.5 CFM @ 175 Psi |
| Drive Type | Belt Drive (Electric) |
| Noise Level | 80-84 dB(A) |
| Outlet Connection Size | 1/2 Inch NPT |
| Tank Volume | 120 Gallons (Vertical) |
| Dimension (LxWxH) | 965 x 762 x 1981 mm |
| Net Weight | 255 kg |
| Control Panel Type | Pressure Switch Controlled |
| Voltage/Phase/Frequency | 230V / 1 Phase / 60 Hz |
| Standard Warranty | 1 Year Limited |
| Maintenance Interval | 500 Hours |
| Application | Industrial facilities needing maximum vertical air storage capacity for sustained pneumatic tool operation. |







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