Castair R15312VG11 — 15HP Three-Phase Rotary Screw Air Compressor
The Castair R15312VG11 is a 15-horsepower, three-phase rotary screw compressor delivering 52 CFM at 100 PSI. With a 120-gallon vertical tank and 100% duty cycle, this unit is sized for medium to large shops running multiple air tools, paint booths, or pneumatic lifts simultaneously. Also available in 230V or 460V configurations — call for the voltage that matches your shop electrical service.
Specifications
| Horsepower | 15 HP |
| Phase | Three-phase (3-phase) |
| Tank | 120 gallon, vertical |
| CFM at 100 PSI | 52 CFM |
| Standard Pressure | 135 PSI (up to 175 PSI available on request) |
| Dimensions (LxWxH) | 44 x 32 x 73 inches |
| Weight | 765 lbs |
| Model | R15312VG11 |
| Duty Cycle | 100% |
| Voltage Options | 230V or 460V (call for configuration) |
Operation
Simple, reliable operation with no computer controls:
- One solenoid operates the air end — no computers
- Easy-to-read pressure and temperature gauges (standard)
- High pressure and dual high temperature shutdown (standard)
- Factory filled with 4,000-hour or one-year synthetic lubricant
- Pressure ranges up to 175 PSI available on request (135 PSI standard)
- 10-minute auto-shutdown timer saves electricity when air is not being used
Maintenance
All serviceable components use off-the-shelf, readily available parts:
- Built-in air/oil separator with spin-on filter
- Hour meter standard for tracking service intervals
- Off-the-shelf V-belts with adjustable belt tightener
- Spin-on oil filter, automotive-type paper element air filter
- Air/oil lines are standard copper piping
- Air-cooled aftercooler/oil cooler — easily removable for cleaning
- Heavy-duty industrial 1725 RPM motor with full 15% service factor
About Castair
Family owned and operated since 1991. Cast iron pumps — not aluminum. Oil-lubricated, not oil-less. Slow RPM operation for quiet running and long service life. Castair builds compressors the way they used to be built.
Warranty
2-year warranty on air end, electric motor, and tank.
Shipping
Ships within four weeks of order placement. All orders receive a courtesy call to confirm conditions and application.
Call 866-217-0063 for quick answers and help!
