Shipping
- In-stock items are processed within 1 to 2 business days and typically delivered within 5 to 7 business days in the U.S.
- Factory-direct items ship on the manufacturer lead time shown on the product page.
- Tracking information is provided for every order.
- Shipping options and costs are calculated at checkout. See our Shipping Policy for details.
Returns and Exchanges
- Return eligibility, timeframes and any restocking fees are listed in our Returns, Exchange and Refund Policy.
- Questions about a return? Call 1-877-388-4111.
Questions?
Call 1-877-388-4111 or email [email protected].
Availability/Lead Time
If an item is out of stock, we provide an estimated arrival time at Penry Air. This estimate is based on information from the manufacturer and our experience with ordering the item. Please note that the actual lead time may vary. The estimate does not include shipping time to your location.
If you have any questions about availability, please call 1-877-388-4111 or email [email protected].
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"Over 50 Years of Experience"

The Castair 10 HP Duplex Air Compressor is designed to deliver robust and reliable performance in demanding industrial environments. This high-efficiency compressor combines two 5 HP motors with a large 120-gallon tank, ensuring continuous operation and stable air pressure for a wide range of applications.
Key Features:
- Dual Motor Design (2x5 HP): Provides redundancy and increases reliability, ensuring operations continue smoothly even if one motor is offline.
- High Output: Delivers 35 CFM at 175 psi, ideal for powering heavy-duty tools and machinery without lag.
- Optimized Pump Speed: With a pump RPM of 445, this compressor balances efficiency and durability, reducing wear while maintaining high performance.
- Large Capacity Tank: The 120-gallon tank offers extensive air storage, minimizing the compressor cycle and extending the life of the motor.
- Mounted Starter: Facilitates easy and safe start-up, reducing the risk of voltage drops and electrical hazards.
- Model D5112HC2-S: Ensures compatibility with various industrial setups and requirements, providing flexibility and ease of integration.
Benefits:
- Enhanced Productivity: Continuous and reliable air delivery maximizes operational uptime, boosting productivity.
- Energy Efficiency: The duplex design allows for staged usage, running only one compressor when less air is needed, thus saving on energy costs.
- Durability: Engineered for industrial applications, it withstands rigorous use and offers longevity, even in tough environments.
- Easy Maintenance: Accessible design elements enable straightforward maintenance, reducing downtime and maintenance costs.
- Safety Features: Equipped with multiple safety features, including pressure gauges, safety valves, and a mounted starter, ensuring a safe working environment.
This compressor is perfect for manufacturing facilities, automotive shops, and any setting that requires reliable and high-volume air pressure. Whether you're powering pneumatic tools, conveyors, or applying finishes, the Castair 10 HP Duplex Air Compressor meets a variety of industrial needs with unmatched performance and reliability.