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CA Series 5-15HP
5-15HP RECIPROCATING AIR COMPRESSOR
DURABLE. RELIABLE. PROVEN.
As the industry workhorse, CA Series components are selected based on durability and performance, ensuring that your compressor delivers reliable performance in demanding applications.
Description
The CA Series (formerly the Challenge Air Series) delivers the same trusted reliability that customers have counted on for decades—now backed by the legendary FS-Curtis name. Designed for tough industrial applications, these two-stage reciprocating compressors provide long-lasting performance, efficient operation, and easy maintenance.
With cast-iron construction, heavy-duty components, and low operating speeds, the CA Series is built to perform day after day, keeping your operation running smoothly and efficiently.
Built to Last
- All cast-iron construction for superior strength and long service life.
- Precision-machined components hold tight tolerances, ensuring reliability in real-world working conditions.
Efficient Performance
- High-flow, stainless-steel channel valve design delivers more CFM per horsepower—more air, less energy.
- Two-stage compression with intercooling improves efficiency and reduces operating temperatures.
Dependable Operation
- Simple, splash-lubrication system for reliable, low-maintenance operation.
- Auto start/stop control standard, with optional dual control on 10 HP and above for better flexibility.
Flexible Options
- Available in Simplex, Duplex, and UltraPack configurations to fit your space and demand.
- Wide range of factory options and accessories to meet your application needs.
THE MOST DURABLE PUMP CONSTRUCTION AVAILABLE
Meticulous material selection ensures long-term reliability
- 100% cast-iron cylinders and cylinder heads
- Long-lasting, corrosion-resistant crankshaft
- Reduces thermal stress for increased reliability
- Deep-finned cast-iron cylinders and cylinder head for cool operation
- Slow-turning pump increases pump life
INDUSTRIAL DESIGN
The most robust reciprocating air compressor in its class
- Provides higher pressures, better efficiency and longer life
- Ready to handle rugged, heavy-duty applications
QUALITY COMPONENTS
For extended product life and continuous performance
- Industrial-grade main roller bearings are precision fit for support of all rotating parts
- High-flow, heavy-duty stainless-steel valve system delivers more cfm per horsepower
- Robust intercooler increases compressor efficiency
- Metal intake filter/silencer is superior to plastic
- Heavy-duty stamped-steel belt guard
- Suction valve head unloaders for continuous running air compressors
SUPERIOR PACKAGE DESIGN
Designed for low cost of ownership and sustainable reliability
- Robust gear drive arrangement
- Pulsation-free compressed air
- 100% continuous duty
- Easy to maintain
- Controls
- Load/Unload
- Modulation
- Variable Speed
SIMPLEX FEATURES
Properly sized simplex compressors are well suited for industrial applications with variable demand
- Magnetic motor starter
- Manual tank drain
- Oil sight glass
- Horizontal or vertical tank configurations available
- Factory oil filled
DUPLEX FEATURES
Duplex compressors are ideal for redundancy, alternating two pumps during constant demand periods, and providing “trim” capacity
- Alternator control panel comes mounted with magnetic motor starters and thermal overload protection
- Compressors alternate during normal operation
- Both compressors run when system demands
- Duplex design reduces electrical cost and eliminates downtime
- Factory oil filled
GAS DRIVEN FEATURES
Gas-driven models are ideal for applications that require air when electricity isn’t readily available. FS-Curtis gas-driven models are perfect for fleet and service applications
- Choose between Kohler or Honda engines
- Tank mount or base mount configurations
- OSHA-approved totally enclosed metal belt guard
- ASME-approved air receiver
- 12V DC starter with alternator
- Engine idle control
ULTRAPACK FEATURES
An UltraPack includes a CA Series compressor fully packaged with the most common options and accessories. You’ll save money and time by getting it all in one package, and you’ll be assured of increasing air quality while reducing maintenance needs. Industry-leading five-year UltraShield warranty available
- Air-cooled aftercooler
- Magnetic motor starter (Simplex)
- Alternator panel (Duplex)
- Dual control (10-15HP Simplex)
- Low oil level shutdown
- Automatic tank drain
- Tank isolator pads
- Factory oil filled
CA Series Standard
| Model | Power | Pump | Configuration | Capacity FAD | Tank Size | Dimensions | Weight |
| HP | CFM @ 175 psi | gal. | L x W x H in. | lbs. | |||
| CA5+ | 5 | E57 | Vertical | 18.5 | 80 | 39 x 37 x 77 | 575 |
| CA5+ | 5 | E57 | Horizontal | 18.5 | 80 | 69 x 32 x 51 | 575 |
| CA5+ | 5 (x2) | E57 | Duplex | 18.5 (x2) | 120 | 78 x 31 x 53 | 975 |
| CA7.5 | 7.5 | E57 | Vertical | 23.2 | 80 | 39 x 37 x 77 | 580 |
| CA7.5 | 7.5 | E57 | Horizontal | 23.2 | 80 | 69 x 32 x 51 | 580 |
| CA7.5 | 7.5 (x2) | E57 | Duplex | 23.2 (x2) | 120 | 78 x 31 x 53 | 995 |
| CA10 | 10 | E71 | Vertical | 34.2 | 120 | 45 x 34 x 80 | 1026 |
| CA10 | 10 | E71 | Horizontal | 34.2 | 120 | 74 x 37 x 54 | 1026 |
| CA10 | 10 (x2) | E71 | Duplex | 34.2 (x2) | 120 | 90 x 32 x 53 | 1311 |
| CA15 | 15 | E15 | Horizontal | 42.6 | 120 | 74 x 37 x 59 | 1250 |
CA Series UltraPack
| Model | Power | Pump | Configuration | Capacity FAD | Tank Size | Dimensions | Weight |
| HP | CFM @ 175 psi | gal. | L x W x H in. | lbs. | |||
| CA5+ | 5 | E57 | Vertical | 18.5 | 80 | 39 x 37 x 77 | 575 |
| CA5+ | 5 | E57 | Horizontal | 18.5 | 80 | 69 x 32 x 51 | 575 |
| CA5+ | 5 (x2) | E57 | Duplex | 18.5 (x2) | 120 | 78 x 31 x 53 | 975 |
| CA7.5 | 7.5 | E57 | Vertical | 23.2 | 80 | 39 x 37 x 77 | 580 |
| CA7.5 | 7.5 | E57 | Horizontal | 23.2 | 80 | 69 x 32 x 51 | 580 |
| CA7.5 | 7.5 (x2) | E57 | Duplex | 23.2 (x2) | 120 | 78 x 31 x 53 | 995 |
| CA10 | 10 | E71 | Vertical | 34.2 | 120 | 45 x 34 x 80 | 1026 |
| CA10 | 10 | E71 | Horizontal | 34.2 | 120 | 74 x 37 x 54 | 1026 |
| CA10 | 10 (x2) | E71 | Duplex | 34.2 (x2) | 120 | 90 x 32 x 53 | 1311 |
| CA15 | 15 | E15 | Horizontal | 42.6 | 120 | 74 x 37 x 59 | 1250 |
CA Series Gas Drive
| Model | Power | Pump | Engine | Configuration | Capacity FAD | Tank Size | Dimensions | Weight |
| HP | CFM @ 175 psi | gal. | L x W x H in. | lbs. | ||||
| CA13-H | 13 | E57 | Honda | Horizontal | 22 | 30 | 50 x 24 x 50 | 460 |
| CA14-K | 14 | E57 | Kohler | Horizontal | 22.5 | 30 | 50 x 24 x 43 | 486 |
Download the CA Series brochure to learn more about our reliable reciprocating product line.
Financing Options – Flexible Solutions for Every Operation
Investing in reliable compressed air shouldn’t slow down your business. That’s why FS-Curtis offers flexible financing options designed to make owning an NX Series compressor easier and more affordable.
Why Choose FS-Curtis Financing?
- Conserve Capital – Keep cash flow available for other business needs while still getting the equipment you trust.
- Flexible Terms – Choose from a variety of payment plans that fit your budget and operational needs.
- Fast & Simple Approval – Streamlined application process gets you approved quickly so you can get your system running sooner.
- Upgrade with Confidence – Financing makes it easier to invest in the latest technology, like SmartConnect® 2.0 or UltraPack options, without large upfront costs.
- Protect Your Investment – Pair financing with our warranty for maximum peace of mind.
With FS-Curtis financing, you get the performance and reliability you need today while paying in a way that works best for your business.
