FS-Curtis NXB04 – 5 HP Fixed Speed Rotary Screw Air Compressor – Base Mounted
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Description
FS-Curtis NXB04 – 5 HP Fixed Speed Rotary Screw Air Compressor – Base Mounted
The FS-Curtis NXB04 5 HP Fixed Speed Rotary Screw Air Compressor is a compact, quiet, continuous-duty compressor designed for automotive shops, fabrication facilities, maintenance departments, machine shops, and light industrial applications. The base-mounted design is an excellent choice when you already have an air receiver or want to build a compressed air system around a separate tank.
The NXB04 delivers up to 22.1 CFM at 100 PSI and is available in multiple operating-pressure configurations up to 175 PSI. FS-Curtis designed the NX Series for smooth, pulsation-free air delivery, reduced operating noise, easy maintenance, and reliable 100% continuous-duty operation.
Select Your NXB04 Configuration
Choose the voltage, operating pressure, and controller that best match your application.
Voltage Options
- 208-230V / 1 Phase
- Tri Voltage / 3 Phase
Pressure & Airflow Options
- 22 CFM @ 100 PSI
- 20 CFM @ 125 PSI
- 17 CFM @ 150 PSI
- 15 CFM @ 175 PSI
FS-Curtis published performance is 22.1 CFM at 100 PSI, 19.9 CFM at 125 PSI, 17.1 CFM at 150 PSI, and 14.5 CFM at 175 PSI.
Controller Options
- Basic – iCommand
- Advanced – iCommand Touch
The optional iCommand-Touch provides touchscreen control, intuitive navigation, real-time and historical data tracking, trending, graphing, pressure monitoring, temperature monitoring, usage tracking, and maintenance information.
Key Features & Benefits
- 5 HP fixed-speed rotary screw compressor
- Up to 22 CFM at 100 PSI
- Operating pressures available from 100 to 175 PSI
- 100% continuous-duty design
- Compact base-mounted configuration
- Quiet enclosed cabinet design
- ES14 FS-Curtis rotary screw airend
- Heavy-duty TEFC motor
- Belt-drive design
- Standard air-cooled aftercooler
- eCOOL® Technology for improved heat management and component protection
- Spin-on air/oil separator for easier maintenance
- Low oil carryover for improved compressed air quality
- Pulsation-free compressed air delivery
- 1/2" NPT air outlet
- Multiple voltage and controller configurations available
FS-Curtis eCOOL technology uses compartmentalized airflow and intelligent component placement to reduce thermal stress, improve cooling, and help extend component life.
NXB04 Specifications
| Specification | NXB04 |
|---|---|
| Motor | 5 HP / 4 kW |
| Compressor Type | Oil-Injected Rotary Screw |
| Drive | Fixed Speed / Belt Drive |
| Airend | ES14 |
| Airflow @ 100 PSI | 22.1 CFM |
| Airflow @ 125 PSI | 19.9 CFM |
| Airflow @ 150 PSI | 17.1 CFM |
| Airflow @ 175 PSI | 14.5 CFM |
| Maximum Available Pressure | 175 PSI |
| Air Outlet | 1/2" NPT |
| Oil Capacity | 1.1 Gallons |
| Ambient Operating Range | 37°F to 113°F |
| Base-Mount Dimensions | Approx. 30" L × 24" W × 38" H |
| Weight | Approx. 505 lbs. |
The NXB04 technical data confirms the 5 HP motor, ES14 airend, 1/2-inch discharge, 1.1-gallon oil capacity, and approximately 30" × 24" × 38" base-mounted footprint.
Quiet, Reliable Continuous-Duty Air
The NXB04 is designed for businesses that need dependable compressed air throughout the workday without relying on a reciprocating compressor constantly starting and stopping. Its rotary screw design provides smooth, steady airflow while the sound-insulated enclosure helps maintain a quieter working environment.
Depending on operating pressure, the NXB04 operates at approximately 61–64 dBA.
Ideal Applications
- Automotive repair shops
- Auto body and collision facilities
- Tire shops
- Machine shops
- CNC equipment
- Woodworking shops
- Fabrication facilities
- Maintenance departments
- Light manufacturing
- General industrial compressed air systems
FS-Curtis NXGEN Warranty
Eligible NX Series compressors are backed by the FS-Curtis NXGEN Extended Warranty Program, including:
- 5-Year Major Components Warranty
- 10-Year Airend Warranty
NXGEN coverage requires machine registration and use of FS-Curtis Genuine Parts and Lubricants according to the required maintenance schedule.
Need Help Choosing the Right Configuration?
Not sure whether you need 100, 125, 150, or 175 PSI, single-phase or three-phase power, or which controller is right for your application? Compressed Air Advisors can help. Give us a call and we'll help make sure your compressor is properly sized for your airflow, pressure, electrical service, and application.
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