



Introduction
Ingersoll Rand 47555212001 is an 8,000-hour preventive maintenance package associated with applicable R90–R110i air-cooled rotary screw compressors equipped with modulation control. Within this package, 23531577 provides dedicated service coverage for the minimum pressure check valve.
The combination is particularly relevant to maintenance programs that prioritize planned servicing rather than reactive component replacement. The minimum pressure valve is an important part of compressor pressure management, and maintaining its service components helps preserve the operating conditions required by the compressor's internal oil and air systems.
For industrial facilities, a correctly matched maintenance kit can make scheduled service more efficient. Instead of treating individual components as isolated replacements, maintenance personnel can prepare the required service items around the compressor's established maintenance interval. This approach supports more consistent maintenance planning and helps keep compressed-air equipment ready for demanding production environments.
Technical Specifications
| Specification | Details |
|---|
| Brand | Ingersoll Rand |
| Maintenance Kit Part Number | 47555212001 |
| Associated Service Kit | 23531577 |
| Product Type | Preventive Maintenance Kit |
| Service Component Type | Minimum Pressure Check Valve Service Kit |
| Associated Compressor Family | R90–R110i |
| Compressor Type | Rotary Screw Compressor |
| Cooling Configuration | Air-Cooled |
| Control Configuration | Modulation Control |
| Maintenance Interval | 8,000 Hours |
| 23531577 Valve Configuration | DN64 OUT / DN76 IN |
| Primary Function | Preventive Compressor Maintenance and Minimum Pressure Valve Service |
| Application | Industrial Compressed-Air Systems |
| Dimensions | Not specified in the available product data |
| Weight | Not specified in the available product data |
Recommended Companion Models
| Model | Product Name |
| 23429822 | Replacement Air Cleaner Element |
| 23424922 | Coolant Filter Element |
| 23545841 | Element, Separator Tank |
| 47552954001 | Temperature-Sensing Valve Service Kit |
Frequently Selected Alternatives
| Model | Product Name |
| 47553881001 | Inlet Valve Service Kit with Modulation Control |
| 47555464001 | Water Cooler Seal Kit |
| 39218193 | SHC220 Motor Grease |
| 23497001 | Pre-Filter |
Technical FAQs
1. What is Ingersoll Rand 47555212001?
47555212001 is an 8,000-hour preventive maintenance kit associated with applicable Ingersoll Rand R90–R110i air-cooled rotary screw compressors using modulation control.
2. What is the function of 23531577 within the 47555212001 package?
23531577 is the service kit for the minimum pressure check valve and is included as a dedicated pressure-control service component within the applicable maintenance package.
3. What does the minimum pressure valve do in a rotary screw compressor?
The minimum pressure valve helps maintain sufficient internal system pressure and supports proper oil circulation, separation, and stable compressor operation.
4. Which compressor family is associated with 47555212001?
The 47555212001 maintenance package is associated with Ingersoll Rand R90–R110i rotary screw compressor applications with the specified air-cooled and modulation-control configuration.
5. Is 23531577 a complete compressor maintenance kit by itself?
No. 23531577 is a dedicated minimum pressure valve service kit, while 47555212001 is the broader preventive maintenance package for the applicable compressor service interval.
6. Why is configuration verification important before installing 23531577?
Minimum pressure valve assemblies can vary according to compressor design and configuration, so confirming the machine model and applicable valve arrangement helps prevent installation of an unsuitable service component.
7. What does DN64 OUT DN76 IN indicate for 23531577?
The DN64 OUT and DN76 IN designation identifies the nominal connection sizes associated with the minimum pressure valve service configuration, which is important when matching the kit to the installed compressor assembly.
8. Can the 47555212001 kit be used on every R90–R110i compressor?
Not necessarily. The applicable cooling arrangement, control configuration, machine version, and maintenance specification should be checked before selecting the kit.
9. How does scheduled minimum pressure valve maintenance benefit compressor operation?
Properly maintained pressure-control components can help maintain stable internal pressure conditions, support efficient compressor operation, and reduce the likelihood of performance issues caused by worn valve components.
10. What should be checked before replacing the 23531577 service kit?
The technician should verify the compressor identification, valve configuration, connection arrangement, service procedure, and replacement-part number before beginning the maintenance work.