| Model | Power | Pressure Range | Minimum CFM | Maximum CFM | Cooling | Sound Level | Dimensions | Weight |
| kW / HP | psi | psi | psi | dB(A) | L x W x H in. | lbs. | ||
| ER15 | 15 / 20 | 100-175 | 58 | 77 | air-cooled | 72 | 75×43×69 | 2138 |
| ER22 | 22 / 30 | 100-175 | 92 | 120 | air-cooled | 72 | 75×43×69 | 2204 |
| ER30 | 30 / 40 | 100-175 | 114 | 165 | air-cooled | 72 | 83×47×73 | 2954 |
| ER30W | 30 / 40 | 100-175 | 114 | 165 | water-cooled | 72 | 83×47×55 | 2579 |
| ER37 | 37 / 50 | 100-175 | 144 | 204 | air-cooled | 72 | 83×47×73 | 3086 |
| ER37W | 37 / 50 | 100-175 | 144 | 204 | water-cooled | 72 | 83×47×55 | 2645 |
| ER55 | 55 / 75 | 100-175 | 218 | 335 | air-cooled | 78 | 98×59×83 | 6062 |
| ER55W | 55 / 75 | 100-175 | 218 | 335 | water-cooled | 75 | 98×55×59 | 3747 |
| ER75 | 75 / 100 | 100-175 | 295 | 434 | air-cooled | 78 | 98×59×83 | 6172 |
| ER75W | 75 / 100 | 100-175 | 295 | 434 | water-cooled | 75 | 98×55×59 | 4078 |
| ER110 | 110 / 150 | 100-175 | 530 | 658 | water-cooled | 78 | 146×59×67 | 7054 |
Rotary Screw Compressors
RS Series 15-300 HP
The rigid base includes built-in forklift slots to reduce the risk of damage. Add in the meticulous selection of components, such as premium efficiency motors (up to 200 HP), generously sized coolers and airends, and it’s easy to see why RS Series compressors have earned a reputation for durability and performance.
Features & Benefits
- Superior Durability – Handles demanding industrial applications for reliable, long-term performance.
- High-Efficiency Separation & Filtration – Promotes longer component life and improved system reliability.
- Open-Design Construction – Provides easy access to key components, simplifying maintenance and service.
- Easy-Service Design – Reduces maintenance time, downtime, and overall ownership costs.
- Exclusive Slow-Speed Airend Technology – Increases air delivery while lowering energy consumption.
- Advanced Control Technology – Delivers stable pressure and optimized power savings across varying demand loads.
- NEMA Premium Efficiency Motors – Improve energy efficiency and help reduce operating expenses.
NX Series 4-260 kW
The award-winning FS-Curtis NX Series delivers reliable, energy-efficient performance for demanding industrial applications. Available in fixed-speed (5–20 HP) and variable-speed (10–20 HP) models, the NX Series is designed to match air demand while reducing operating costs. With the advanced iCommand-Touch+ controller, users can monitor performance, track system trends, and maximize uptime.
Product Specifications
NxHE Series Two – Stage
The FS-Curtis NXHE Series two-stage rotary screw air compressors are designed for reliable, energy-efficient performance in demanding industrial applications. By splitting compression into two stages and removing heat between them, the NXHE reduces horsepower requirements, delivering the same airflow as single-stage units with lower energy use. This design improves efficiency, lowers compression ratios, and reduces bearing loads, helping extend airend life. With higher ACFM per horsepower, interstage cooling, and an independent bearing lubrication system, the NXHE Series offers improved durability, efficiency, and long-term reliability for high-flow, base-load operations.
Features & Benefits
- Centrifugal cooling fan & compartmentalized airflow design – Ensures smooth, quiet operation and efficient system cooling.
- Extra-thick laminated oil-proof sound insulation – Significantly reduces noise levels for quieter performance.
- Advanced thermal protection design – Shields critical components from compressor-generated heat for improved reliability.
- Intelligent component layout – Optimizes cooling airflow, improving efficiency, reliability, and overall performance.
- Extended component life design – Reduces wear, downtime, and maintenance requirements.
- Exclusive FS-Curtis airend with precision-cut rotors – Maximizes efficiency and delivers consistent compressed air output.
- Premium-efficiency TEFC (IP55, Class F) motor – Protects against dust and heat for longer motor life and dependable operation.
- Oversized system components – Reduce pressure drop throughout the package, increasing overall energy efficiency.
Product Specifications
ECO-Rotary 20-150HP
The FS-Curtis ECO-Rotary oil-free air compressors are ISO 8573-1 CLASS 0 certified, delivering 100% oil-free air for the most critical applications. Designed for energy efficiency, low maintenance, quiet operation, and easy use, these compact yet powerful compressors provide reliable performance where air purity is essential. Ideal for industries such as electronics, pharmaceuticals, healthcare, printing, automotive, education, dentistry, water aeration, and food & beverage, the ECO-Rotary Series ensures clean, dependable air for sensitive and demanding environments.
Features & Benefits
- ISO 8573-1 Class 0 oil-free air system – Delivers 100% clean air for critical applications requiring maximum air purity.
- Low-temperature water-injected twin-screw airend (<140°F/60°C) – Improves efficiency and extends compressor life through cooler operation.
- Integrated dryer system – Produces dry compressed air while enhancing airend performance and often eliminating downstream treatment.
- Variable speed drive technology – Maintains consistent pressure while optimizing energy use and efficiency.
- Direct drive slow-speed operation – Increases durability, reduces wear, and supports long-term reliable performance.
- Long-life, low-maintenance design – Fewer moving parts and reduced heat generation lower maintenance costs and downtime.
- iCOMMAND TOUCH+ controller (7” touchscreen) – Provides intuitive control, real-time monitoring, trending, and system integration for maximum uptime.
ECO-Pure 110-250 kW
The FS-Curtis ECO-Pure oil-free air compressors are ISO 8573-1 Class 0 certified, delivering 100% oil-free air for the most demanding and critical applications. Engineered for energy efficiency, low maintenance, ease of operation, and quiet performance, the ECO-Pure Series provides reliable compressed air where purity is essential. Ideal for industries such as electronics, pharmaceuticals, healthcare, printing, automotive, education, dentistry, water aeration, and food & beverage, the ECO-Pure Series ensures clean, dependable air for sensitive applications where air quality cannot be compromised.
Features & Benefits
- IE4 efficiency-class electric motors – Deliver high energy efficiency and reduced operating costs.
- Quiet enclosure with corrosion-resistant electrostatic coating – Ensures low-noise operation and long-lasting durability in harsh environments.
- Variable speed drive technology with direct-coupled drive system – Provides precise pressure control, improved efficiency, and energy savings.
- Two-stage dry screw compression technology – Maintains high efficiency and reliable performance during extended operation.
- Advanced bearing system with ECO-Shield protection – Reduces wear, minimizes vibration, and extends service life under high-temperature conditions.
- Eco-friendly ISO 8573-1 Class 0 oil-free air design – Prevents contamination while reducing environmental impact and supporting clean production.
- iCOMMAND-EP touchscreen controller – Enables intuitive operation, multi-compressor management, system integration, and optimized performance control.
Oil- Free Compressors
Eco Turbo
The ECO-Turbo Series delivers reliable, ISO 8573 Class 0 oil-free air for industries where air purity is critical. Built on FS-Elliott’s centrifugal engineering expertise and FS-Curtis’s global service reputation, it provides high efficiency and dependable performance in a compact, enclosed design. Featuring advanced titanium impellers, optimized intercooling, and air-cooled or water-cooled options, ECO-Turbo is engineered for maximum reliability in demanding operating environments. Its simplified design reduces installation and maintenance costs, while its high energy efficiency helps lower long-term operating expenses.
Features & Benefits
- Removable enclosure panels – Provide easy access to all maintenance components for faster servicing and reduced downtime.
- Horizontally split gearbox airend design – Allows quick inspection of impellers and gears, simplifying maintenance and improving serviceability.
- 100% oil-free, ISO 8573 Class 0 air – Ensures ultra-clean compressed air for the most demanding and contamination-sensitive applications.
- Two-stage compression system – Delivers improved energy efficiency and reduced operating costs.
- Wear-free titanium impellers – Provide high durability, long service life, and optimized aerodynamic efficiency.
- Premium-efficiency TEFC (IP55) motor – Enhances protection against dust and moisture while improving reliability and performance.
- Sound-attenuated protective enclosure – Shields the compressor from harsh environments while reducing operating noise levels.
Eco Scroll
The FS-Curtis ECO-Scroll Series delivers ISO 8573-1 Class 0 certified oil-free air for applications where air purity is essential. Designed to protect processes, products, and equipment from contamination, ECO-Scroll compressors provide reliable, clean compressed air for sensitive environments. With quiet operation, low maintenance requirements, and a compact footprint, the ECO-Scroll Series is ideal for laboratories, medical facilities, and point-of-use applications. Advanced scroll compression technology ensures smooth, efficient air delivery with low vibration, helping reduce energy costs while maintaining dependable performance.
Features & Benefits
- Low-noise operation (57–63 dBA) – Ideal for noise-sensitive environments such as laboratories, medical facilities, and point-of-use applications.
- Ultra-low vibration design (5 mm/s or less) – Provides smooth operation while reducing wear and improving reliability.
- No inlet valve knocking noise – Ensures quieter performance and a more comfortable work environment.
- High-efficiency TEFC IE3 motor – Reduces energy consumption while delivering dependable performance.
- Exclusive ECO-Series scroll airend – Precision-meshed fixed and orbital scrolls provide efficient, reliable oil-free air compression.
- Efficient centrifugal cooling system – Maintains optimal operating temperatures while keeping noise levels low.
- 100% continuous duty cycle with integrated safety protection – Delivers reliable around-the-clock operation with built-in check valves and relief valves to protect the airend.
PET Elite 50-300HP
The FS-Curtis PET Elite high-pressure oil-free reciprocating compressor is engineered specifically for the demanding requirements of the bottle-blowing industry. Delivering reliable high-pressure performance and ISO 8573-1 Class 0 oil-free air, it helps maintain product quality while supporting efficient, uninterrupted production. Its compact, space-saving modular design maximizes valuable floor space, while the easy-to-use electronic controller simplifies operation and system monitoring for greater productivity and control.
Features & Benefits
- 100% Oil-Free Operation – Delivers contaminant-free air to protect product quality and meet stringent food, beverage, and bottle-blowing requirements.
- High-Pressure Performance (up to 580 PSI) – Supports demanding manufacturing processes while maximizing production output.
- Heavy-Duty Industrial Construction – Built for continuous operation in harsh environments, ensuring long-term reliability.
- Advanced Cooling System – Maintains optimal performance during extended operating periods.
- Increased Productivity – High-pressure capacity enables faster bottle production and improved operational efficiency.
- Low Cost of Ownership – Minimal maintenance requirements and reduced downtime help lower operating costs.
- Sustainable Oil-Free Technology – Promotes environmentally conscious operations while eliminating the risk of oil contamination.
OL Series 5-15HP
The OL Series is engineered to deliver truly oil-free compressed air with a 100% dry crankcase design that eliminates oil carryover and the risk of contamination in critical applications. Its low-speed pump operation and rugged cast-iron construction—including the crankcase, cylinders, and heads—provide exceptional durability, long-term reliability, and consistent performance. By eliminating oil changes and disposal requirements, the OL Series also helps reduce maintenance costs and simplify ownership.
Reciprocating Compressors
CT Series 5-10 HP
The FS-Curtis CT Series is built to deliver rugged, dependable performance without compromise. Featuring industrial-grade components—including cast iron cylinders, heads, connecting rods, and pistons—the CT Series is engineered for long service life and reduced wear, even under demanding operating conditions. Precision manufacturing ensures reliable compressed air performance while helping lower the total cost of ownership. Ideal for light industrial shops, small manufacturing facilities, and automotive service applications, the CT Series provides the durability, reliability, and value businesses depend on every day.
Features & Benefits
- Cast-Iron Two-Stage Pump – Built to ISO 9001 standards for long-lasting durability and dependable performance.
- Slow-Speed V-Belt Drive Design – Reduces wear and extends compressor life while improving efficiency.
- Heavy-Duty NEMA Motor – UL-approved design delivers reliable operation in demanding industrial environments.
- ASME-Certified Air Tank & Safety Components – Provides safe, code-compliant operation and peace of mind.
- Automatic Start-Stop Controls – Optimizes performance and reduces unnecessary energy consumption.
- Loadless Starting System – Reduces motor strain during startup, improving reliability and component life.
- Factory-Filled & Ready to Operate – Includes pressure gauge, intake filter/silencer, and condensate drain valve for convenient installation and operation.
OL Series 5-15 HP
The FS-Curtis OL Series is engineered to deliver truly oil-free compressed air with a 100% dry crankcase design that eliminates oil carryover and protects critical processes from contamination. Its low-speed pump operation and rugged cast-iron construction—including the crankcase, cylinders, and heads—provide exceptional durability, continuous-duty performance, and long-term reliability. By eliminating oil changes and disposal requirements, the OL Series also helps reduce maintenance costs and simplify ownership.
Features & Benefits
- 100% Dry Crankcase Design – Delivers oil-free compressed air with zero carryover for critical, contamination-sensitive applications.
- Enhanced Cooling System – Oversized fan and inter-stage cooling pipes improve heat transfer and lower discharge temperatures for better efficiency.
- Eco-Friendly Oil-Free Operation – Eliminates oil vapor, oil changes, and disposal costs while supporting cleaner, more sustainable operation.
- Protects Downstream Equipment – Reduces contamination risk, lowering maintenance needs and extending system component life.
- Lower System Pressure Loss – Reduces reliance on filtration equipment, improving overall system efficiency and cost savings.
- Low-Speed Pump Design – Enhances long-term reliability, efficiency, and compressor lifespan under continuous use.
- 100% Continuous Duty Cycle – Built for nonstop operation in demanding industrial environments.
- Heavy-Duty Cast-Iron Construction – Cast iron crankcase, cylinders, and heads ensure maximum durability and long service life.
ML (Master Line) Series 5-30 HP
Since its inception in 1897, the Masterline ML Series has been recognized as one of the most robust heavy-duty reciprocating air compressor lines available. Combining high-quality components with an efficient, rugged design, the ML Series delivers dependable performance, long service life, and strong value for industrial users. Built to withstand demanding working conditions, it serves as a durable and cost-effective alternative to splash-lubricated reciprocating compressors and small rotary systems. The ML Series is engineered for those who need reliable, long-lasting compressed air performance.
Features & Benefits
- Centro-Ring Pressure Lubrication System (Patented FS-Curtis Design) – Delivers pressurized oil to all bearings and critical wear surfaces, maximizing uptime and extending service life.
- Rifle-Drilled Crankshaft & Connecting Rod Oil Delivery – Ensures consistent lubrication to internal components for improved reliability and reduced wear.
- 100% Cast-Iron Critical Components – Cast-iron cylinder heads, connecting rods, and crankshaft provide superior strength, corrosion resistance, and long-term durability.
- Slow-Turning Pump Design – Reduces internal stress and wear, extending overall compressor life and improving reliability.
- Stainless-Steel Valve Assemblies – Enhance airflow performance and provide long-lasting operational reliability.
- Oversized Tapered Roller Bearings – Support heavy-duty operation and contribute to extended service life.
- Premium Finned Intercooler & Heavy-Duty Components – Improve heat dissipation and durability for consistent industrial performance.
CA Series 5-15 HP
The FS-Curtis CA Series (formerly Challenge Air Series) delivers the trusted reliability customers have depended on for decades, now supported by the FS-Curtis name. Designed for demanding industrial applications, these two-stage reciprocating compressors offer long-lasting performance, efficient operation, and simple maintenance. Built with durable cast-iron construction, heavy-duty components, and low operating speeds, the CA Series is engineered for dependable, day-after-day performance to keep operations running smoothly and efficiently.
Features & Benefits
- Industrial-grade main roller bearings – Provide precision support for all rotating components, improving durability and reliability.
- High-flow stainless-steel valve system – Delivers more CFM per horsepower for improved efficiency and performance.
- Robust intercooler design – Enhances heat dissipation to improve overall compressor efficiency.
- Heavy-duty metal intake filter/silencer – Improves air intake quality and durability compared to plastic alternatives.
- OSHA-approved enclosed metal belt guard – Ensures safe operation and compliance with workplace safety standards.
- ASME-approved air receiver tank – Provides safe, code-compliant air storage for dependable operation.
- Engine-driven flexibility (Kohler or Honda options) – Offers reliable power choices for different application needs.
- Base or tank-mounted configurations with engine controls – Includes 12V DC starter, alternator, and idle control for efficient, user-friendly operation.
Because FS Curtis offers so many replacement parts we do not list them here on this site.
Call or email us with your PART NUMBER or for assistance finding it.
sales@centralaircomp.com
Call Us: (586) 558-9100
