Rolair H5312K28 Air Compressor – 5HP 120Gal
Extreme Flow Output: Supplies 18.0 CFM @175PSI.
Large Horizontal Reservoir: Provides massive air storage.
Heavy Cast Iron: Promotes superior heat dissipation.
Three Phase Power: Supports reliable 200V.
Large Scale Production: Supports continuous industrial demand.
Description
Rolair H5312K28 5HP 120 Gallon Three Phase
The Rolair H5312K28 is a professional-grade two-stage industrial compressor designed for consistent high-pressure air delivery in three-phase electrical environments. Featuring a 5HP motor and a horizontal 120-gallon ASME tank, this unit delivers 15.1 CFM at 175 PSI, providing a stable air reservoir for industrial maintenance. Utilizing air tools and compressors from Rolair’s K-series ensures maximum mechanical efficiency and rapid pressure recovery during heavy-duty manufacturing tasks.
Rugged Three Phase Efficiency
The unit features a precision-machined cast-iron pump with a cooling flywheel to facilitate efficient thermal transfer during continuous operation. It includes a totally enclosed steel belt guard and a large canister intake filter to protect internal components from airborne debris. This horizontal configuration offers a stable center of gravity for stationary shop placement and vibration-resistant performance for sensitive pneumatic control systems.
Rolair H5312K28 Key Features
- Tank Size: 120 Gallon Horizontal
- Lubrication: Splash Lubrication System
- Starting System: Loadless Auto-Start
- Fuel System: 208/230/460V Three Phase
- Max Pressure: 175 PSI Rating
- Air Displacement: 15.1 CFM Delivery
- Warranty: 1 Year Unit
Rolair H5312K28 Air Compressor Specs
| Brand | Rolair |
| Full Model Code | H5312K28 |
| 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 (Horizontal) |
| Dimension (LxWxH) | 1727 x 660 x 1168 mm |
| Net Weight | 240 kg |
| Control Panel Type | Pressure Switch Controlled |
| Voltage/Phase/Frequency | 230-460V / 3 Phase / 60 Hz |
| Standard Warranty | 1 Year Limited |
| Maintenance Interval | 500 Hours |
| Application | Stationary industrial maintenance facilities requiring high-volume 3-phase horizontal air storage. |







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