Tips:Let's learn together how Ingersoll Rand R75i-A125 screw air compressor empowers industrial manufacturing
Product Introduction
The Ingersoll Rand R75i-A125 is an industrial-grade, fixed-speed rotary screw air compressor with a core performance of 100 HP, delivering a standard exhaust flow rate of 499 CFM at 115 PSI. It features an air-cooled system, a 460V TEFC high-efficiency motor, a star-delta starter, and an Xe-90M intelligent controller. This model supports remote monitoring, fault alarms, and multi-unit linkage control (up to four units). It integrates V-Shield leak prevention technology (PTFE tubing and O-ring seals) to significantly reduce the risk of oil leaks. It is pedestal-mounted (no air receiver required) and accepts 230V/460V three-phase voltage, meeting continuous operation requirements. It is suitable for high-load applications such as large-scale manufacturing, balancing high reliability and optimized energy efficiency.

Product Specifications
|
Parameter category |
Technical Specifications |
Test Standards |
|
Rated Power |
100 HP (75 kW) |
ISO 1217:2016 |
|
Air Volume |
455 CFM (480V) / 499 CFM (575V) |
ASME PTC-9 |
|
Working Pressure |
115 PSIG (7.9 Bar) |
EN 1012:2010 |
|
Speed |
1800 RPM |
ISO 5389 |
|
Cooling |
Air (Standard) / Water (Optional) |
ISO 10439 |
|
Noise Level |
≤72 dB(A) |
ISO 2151:2004 |
|
Enclosure |
UL Type 1 Dust proof Enclosure |
UL 1450 |
|
Port Size |
1.5" NPT Inlet/Outlet |
ANSI B1.20.1 |

Product features
1.Sequential Cooling: Independently control the cooling circuit, reduce energy consumption by 10%, and reduce operating noise to below 72 dBA.
2.Xe-90M intelligent controller: 7-inch color touch screen monitors pressure, temperature, and energy consumption in real time, supports Web remote control and fault diagnosis, and prevents unexpected downtime.
3.V-Shield sealing technology: Fully enclosed leak-free oil circuit design, combined with a two-stage filtration system, extends the life of the main engine to more than 200,000 hours.
4.PAC adaptive protection (Progressive Adaptive Control): Dynamically adjust operating parameters, automatically reduce load in voltage fluctuations or high temperature environments, and protect the core components of the motor.

Product application areas
1.Automobile manufacturing: Provide stable oil-free air for spray robots and pneumatic wrenches on assembly lines (with post-processing equipment).
2.Food packaging: Water-cooled models meet hygiene standards and drive filling machines, labeling machines and other equipment.
3.Metal processing: Support high-frequency start and stop requirements of laser cutting machines and CNC pneumatic clamps.
4.Injection molding: 115 PSIG constant pressure ensures mold opening and closing accuracy, suitable for injection molding machines above 500 tons.
Product Detail Design
1.Mainframe structure: cast iron body + carburized alloy screw, passed 20,000 hours of accelerated wear test to ensure low vibration operation.
2.Energy efficiency optimization: i-series standard energy efficiency ratio reaches 5.2 CFM/HP, which is 8% higher than similar products.
3.Convenient maintenance: The side-opening design enables one person to complete air filter replacement within 10 minutes, and the oil separator replacement cycle is extended to 8000 hours.
4.Safety certification: UL and CE dual certification, in line with ISO 9001 manufacturing system, the protective cover can block 95% of mechanical damage risks.
Product Proof
1.Global Installation Verification: Model put into production in 2017, with cumulative running time exceeding 19,000 hours.
2.Original documentation support: 276-page manual provides full process guidance for installation/operation/fault tree.
3.Third-party test report: CompressorWorld tested 575V model and found it to run continuously for 72 hours at 40°C ambient temperature without attenuation.
Intimate service
1.Customized delivery plan: Supports 11 trade terms such as EXW/FOB/DDP, and the fastest delivery time from China warehouse is 7 days.
2.Warranty upgrade option: Basic 2-year whole machine warranty, which can be extended to 5 years.
3.Localized technical support: 2,300 service outlets around the world provide 4-hour emergency response, and the spare parts supply guarantee rate is 98.6%.
FAQ
Q1: Does the r75i a125 support variable frequency modification?
No. This model is a fixed speed model and needs to be equipped with a V series variable frequency model to achieve energy-saving adjustment.
Q2: What is the actual exhaust volume at 480V voltage?
The actual measurement is 455 CFM@115 PSIG (ambient temperature 25℃).
Q3: Is it necessary to configure a separate dryer?
An integrated drying module (TAS system) can be selected to save 40% of the installation space.
Q4: What is the oil change cycle of Ingersoll Rand r75i a125?
When using Ultra Coolant original cooling oil, the standard cycle is 8,000 hours or 12 months.
Note:By integrating Industry 4.0 intelligent control and heavy-duty mechanical design, Ingersoll Rand r75i a125 has become the "gas supply center" for medium-sized manufacturing industries. Its value lies not only in the numbers on the parameter table, but also in the invisible blessing of the production process for every 1°C temperature control accuracy and every 1 PSI pressure stability - this is the ultimate interpretation of "reliable productivity" by the century-old power brand.
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