CASTAIR C518VC1 – 5 HP Two-Stage Commercial Air Compressor
The CASTAIR C518VC1 is a heavy-duty commercial air compressor designed for demanding workshop, automotive, and industrial compressed-air applications. It combines a 5 HP electric motor with a slow-speed, two-stage cast-iron pump and an 80-gallon vertical ASME tank.
Operating on single-phase 230V power, this model delivers 18.1 CFM at 100 PSI. Its vertical tank design provides substantial air storage while helping conserve floor space.
Key Features
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5 HP electric motor: Single-phase 230V operation.
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Two-stage compression: Designed for demanding commercial applications.
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80-gallon vertical tank: Powder-coated ASME tank with four feet.
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Cast-iron pump: Oil-lubricated construction designed for long service life.
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Slow-speed operation: Pump speed of 715 RPM.
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Air delivery: 18.1 CFM at 100 PSI and 21.7 CFM at 0 PSI.
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Reduced operating noise: Intake filter/silencer with paper element.
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Loadless startup: Centrifugal unloader assists unloaded starting.
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Durable construction: Enclosed metal belt guard and copper or stainless-steel braided discharge/bleeder tubing, depending on configuration.
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Motor protection: Baldor motor with a full 15% service factor and overload protection.
Specifications
| Brand |
CASTAIR |
| Model |
C518VC1 |
| Product Type |
Commercial Air Compressor |
| Motor Power |
5 HP |
| Compression Stage |
Two-stage |
| Power Supply |
208/230V, single-phase (listed operating specification: 230V) |
| Rated Amperage |
22 A |
| Required Breaker |
30 A, per manufacturer specification |
| Tank Capacity |
80 gallons |
| Tank Orientation |
Vertical, ASME |
| Pump Speed |
715 RPM |
| Air Delivery at 0 PSI |
21.7 CFM |
| Air Delivery at 100 PSI |
18.1 CFM |
| Dimensions (L × W × H) |
32 × 24 × 74 inches |
| Shipping Weight |
560 lb |
| Magnetic Starter |
Not required for the specified standard configuration |
Performance and Installation Notes
Actual air delivery and performance depend on operating pressure and application conditions. Confirm electrical circuit, wiring, and breaker requirements with a qualified electrician before installation. Verify the available installation space and shipping access before ordering.
Optional Factory-Installed Accessories
- Air-operated automatic drain – ADVSM
- Electronic automatic drain – SDV03M
- 1-inch intake noise silencer – SA100M
- Right From the Start Kit – RFS001
- Dual control – DC1
- Beltguard aftercooler – BGAC1M
Optional accessories are sold or configured separately unless explicitly included in the order.