FS-Curtis NXB37 – 50 HP Fixed Speed Rotary Screw Air Compressor
Base Mounted | 230V or 460V Three-Phase | Configurable Pressure & Optional Controls
The FS-Curtis NXB37 is a high-capacity, industrial-duty 50 horsepower fixed-speed rotary screw air compressor engineered for facilities that demand maximum airflow, continuous-duty performance, and long-term reliability. As the largest fixed-speed model in the FS-Curtis NX Series, the NXB37 is built to support plant-wide compressed air systems, high-demand production environments, and heavy industrial applications.
The NXB37 is available in 230V or 460V three-phase electrical configurations, allowing seamless integration into commercial and industrial power systems. Multiple pressure options are available, and customers may optionally upgrade to the iCommand Touch+ controller for advanced system monitoring, diagnostics, and control.
High-Capacity Performance for Demanding Applications
Designed for 100% continuous duty, the NXB37 delivers powerful, consistent airflow with minimal oil carryover compared to reciprocating compressors. Its precision-engineered FS-Curtis rotary screw airend and premium-duty motor are designed for extended run times and demanding production schedules while maintaining efficiency and durability.
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50 HP Fixed Speed Rotary Screw Compressor
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Air Delivery Performance:
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233.6 CFM @ 100 PSI
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203.4 CFM @ 125 PSI
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193 CFM @ 150 PSI
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179.8 CFM @ 175 PSI
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Sound Level: Approximately 76 dBA
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Pulsation-Free Air for Stable Tool and Process Performance
Electrical & Pressure Configuration Options
To simplify installation and ensure proper system matching, the FS-Curtis NXB37 is offered with:
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230V / 3-Phase or 460V / 3-Phase power
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Pressure options ranging from 100 to 175 PSI
This flexibility allows facilities to avoid oversizing while ensuring sufficient airflow for air-intensive tools, automated equipment, and continuous production processes.
Optional iCommand Touch+ Controller
For customers seeking enhanced visibility and control over their compressed air system, the optional iCommand Touch+ controller adds advanced intelligence:
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7-inch full-color touchscreen interface
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Advanced diagnostics and fault history
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Performance trending and operating data
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Enhanced compressor protection and precise control logic
NXGEN Extended Warranty Program
The FS-Curtis NXB37 is backed by the NXGEN Extended Warranty Program, providing industry-leading protection and long-term peace of mind. When properly registered and maintained using genuine FS-Curtis parts and lubricants, coverage includes:
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Five-year warranty on major components
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Ten-year warranty on the rotary screw airend
This extended warranty reflects FS-Curtis’ commitment to durability, reliability, and reduced total cost of ownership.
Built for Long-Term Ownership
The NXB37 is engineered to minimize downtime and operating costs throughout its service life:
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Heavy-duty belt and pulley drive system
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Advanced eCOOL® cooling design to reduce thermal stress
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Premium components sized to minimize pressure drop
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Easy service access for simplified maintenance
Why Buy from Compressed Air Advisors Online?
Compressed Air Advisors Online is America’s choice for compressed air solutions, offering nationwide expertise to help customers properly size and configure their equipment. Our team ensures the correct voltage, pressure, and control options are selected so your compressor delivers reliable performance from day one.
If you have questions about configuration, optional upgrades, or application fit, our compressed air specialists are ready to help.