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r5.5i-a125-80 Specifications, Features & Compatibility Guide
83 L horizontal tank to meet demanding workshop compressed air needs.78 m³/min), this model eliminates the downtime associated with intermittent duty cycles found in smaller piston units.
Quick Answer
Yes, invest in the Ingersoll Rand R5.5i-A125/80 if your industrial workshop or production facility demands continuous, high-volume compressed air without interruption. This 7.5 HP rotary screw compressor, with its 27.5 CFM output and 302L tank, is engineered for sustained performance, outperforming intermittent piston units. It’s ideal for operations requiring consistent pressure and flow, ensuring minimal downtime and reduced long-term operational costs due to its verified efficiency.
The Ingersoll Rand R5.5i-A125/80 is perfect for industrial settings needing continuous, efficient 27.5 CFM air delivery and long-term cost savings. Avoid if your application is residential or prioritizes minimal upfront capital over robust, sustained performance and verified efficiency.
✓ Who Should Buy
- • performance suitable for residential spaces.
- •Verified efficiency of standard rating for reduced long-term operational costs.
- •Structural stability for consistent cleaning under rigorous use cases.
- •Hardware durability via premium components and advanced technology.
- •Built-in grid protection with Standard power cycle voltage management.
✕ Who Should Avoid
- •Spaces or usage requirements exceeding residential rated capacity.
- •Installations prioritizing minimum capital expenditure over high-efficiency performance.
- •Unstable grid conditions exceeding the functional threshold of Standard power cycle.
- •Environments incompatible with compressors physical and thermal dissipation specs.
Product Overview
The Ingersoll Rand R5.5i-A125/80 integrates a 5.5 kW oil-injected rotary screw pump onto a 302.83 L horizontal tank to meet demanding workshop compressed air needs. Delivering a steady 27.5 cfm (0.78 m³/min), this model eliminates the downtime associated with intermittent duty cycles found in smaller piston units. Its 345 kg stationary frame utilizes anti-vibration mounts and noise insulation to achieve a 69 dB(A) sound level, which is significantly quieter than open-frame alternatives. The system is managed by a smart controller and digital display, ensuring the 7.5 HP motor operates within optimal thermal and pressure parameters. Designed for 208-575V 3-phase power, it provides the 8.6 bar pressure required for high-demand pneumatic equipment and spray guns. The powder-coated steel enclosure protects internal components like the moisture separator and thermal protection circuits, while the 3/4 inch NPT outlet ensures compatibility with standard industrial piping layouts.
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Engineering Analysis
The R5.5i-A125/80 utilizes an oil-injected rotary screw design where the 5.5 kW motor drives the pump at 3475 rpm to generate 780 LPM of airflow. This direct or belt-driven configuration is specifically optimized for 100% duty cycles, meaning the 7.5 HP motor does not require rest periods during a full 60 Hz operational shift. The 8.6 bar (125 psi) max pressure is regulated via an automatic cut-off and pressure switch, preventing overpressure while the 302.83 L tank acts as a buffer to stabilize air delivery for fluctuating demands. Heat management is handled by an air-cooled system and thermal protection, which is critical for maintaining the viscosity of the oil-injected lubrication. By housing these components in a noise-insulated body, Ingersoll Rand reduced the acoustic output to 69 dBA, which mitigates the need for a dedicated remote compressor room. The inclusion of a moisture separator directly after the pump ensures that the 27.5 cfm output is conditioned for pneumatic tools before it enters the horizontal receiver.
Technical Support & FAQs
Engineering Analysis
The R5.5i-A125/80 utilizes an oil-injected rotary screw design where the 5.5 kW motor drives the pump at 3475 rpm to generate 780 LPM of airflow. This direct or belt-driven configuration is specifically optimized for 100% duty cycles, meaning the 7.5 HP motor does not require rest periods during a full 60 Hz operational shift. The 8.6 bar (125 psi) max pressure is regulated via an automatic cut-off and pressure switch, preventing overpressure while the 302.83 L tank acts as a buffer to stabilize air delivery for fluctuating demands. Heat management is handled by an air-cooled system and thermal protection, which is critical for maintaining the viscosity of the oil-injected lubrication. By housing these components in a noise-insulated body, Ingersoll Rand reduced the acoustic output to 69 dBA, which mitigates the need for a dedicated remote compressor room. The inclusion of a moisture separator directly after the pump ensures that the 27.5 cfm output is conditioned for pneumatic tools before it enters the horizontal receiver.