Ingersoll rand r5.5i-145 200/3 rotary screw air compressor 3 phase, 200 volts, 7.5hp, 120 gal the durable ingersoll rand r-series 4-11 kw compressor extends the r-series family into the smallest rotary screw off ering with benefits like innovative features and a compact design that fits virtually any application environment. The r-series 4-11 kw family of compressors delivers optimum performance and easier maintenance, all in a robust, innovative package.
What Our Experts Think
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The Ingersoll Rand R5.5i-145 Rotary Screw Air Compressor delivers 7.5 HP of reliable, continuous-duty performance with a 120-gallon horizontal tank, producing 24.3 CFM at 145 PSI.
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Part of the R-Series 4–11 kW family, it combines a compact, durable design with innovative features suitable for industrial and workshop environments.
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Engineered for efficient operation, quieter performance, and simplified maintenance, making it ideal for medium-demand applications.
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Compact footprint allows easy installation in space-constrained facilities without sacrificing performance.
Q&A
Q: What is the air output of this compressor?
A: 24.3 CFM at 145 PSI.
Q: What is the tank size and configuration?
A: 120-gallon horizontal tank.
Q: What power supply does it require?
A: 3-phase, 200V, 7.5 HP.
Q: Why choose this R-Series model?
A: Provides compact design, high reliability, optimized performance, and easier maintenance compared to standard compressors.
Maintenance Tips
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Replace synthetic oil according to the service schedule.
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Inspect and clean air filters regularly to maintain airflow.
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Drain the air tank to remove moisture and prevent corrosion.
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Check belts, fittings, and connections for wear or leaks.
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Perform professional maintenance periodically to ensure long-term efficiency and reliability.
