



Introduction
Ingersoll Rand 47572170001 is an 8000-hour preventive maintenance kit associated with applicable R132–R160I compressor systems, while 99289894 is a minimum pressure valve repair kit used within the compressor's pressure-control system. Parts listings identify 99289894 as an MPV repair kit, and applicable maintenance-package listings place it within the 8000-hour service configuration for the R132–R160I family.
The minimum pressure valve is an important component in an oil-injected rotary screw compressor. It helps establish and maintain the pressure required within the separator system, supporting effective oil separation and proper lubricant circulation. A valve that does not seal or respond correctly can affect compressor pressure behavior and overall operating stability.
For high-utilization industrial equipment, servicing the MPV during an established maintenance interval offers a proactive approach to reliability. Replacing worn repair components rather than waiting for noticeable pressure-control problems can help maintenance teams reduce unexpected downtime and keep the compressor operating within its intended performance range.
Technical Specifications
| Specification | Details |
|---|
| Brand | Ingersoll Rand |
| Preventive Maintenance Kit | 47572170001 |
| MPV Repair Kit | 99289894 |
| Product Type | 8000-Hour Preventive Maintenance Kit and Minimum Pressure Valve Repair Kit |
| Maintenance Interval | 8000 Hours |
| Associated Compressor Range | R132–R160I |
| Component Type | Minimum Pressure Valve Repair Kit |
| Valve Type | Minimum Pressure Valve |
| Primary Function | Internal Pressure Regulation |
| Secondary Function | Support of Oil Separation and Lubrication |
| Application | Industrial Rotary Screw Compressor |
| Repair Kit Dimensions | Not specified in the available product data |
| Weight | Not specified in the available product data |
Recommended Companion Models
| Model | Product Name |
|---|
| 23424922 | Coolant Oil Filter Element |
| 23487457 | Air Filter Element |
| 23523772 | Intake Pre-Filter Pad |
| 23545841 | Separator Tank Element |
Frequently Selected Alternatives
| Model | Product Name |
|---|
| 99289860 | Minimum Pressure Valve |
| 99290132 | Minimum Pressure Check Valve |
| 47552954001 | Temperature-Sensing Valve Maintenance Kit |
| 47553880001 | Inlet Valve Maintenance Kit |
Technical FAQs
1. What is Ingersoll Rand 47572170001 used for?
47572170001 is an 8000-hour preventive maintenance kit associated with applicable Ingersoll Rand R132–R160I compressor configurations.
2. What is Ingersoll Rand 99289894?
99289894 is a minimum pressure valve repair kit, also identified as an MPV repair kit, for applicable Ingersoll Rand compressor systems.
3. What is the function of a minimum pressure valve?
The minimum pressure valve helps maintain the required pressure within the compressor separator system before compressed air is delivered downstream.
4. Why does minimum pressure matter in an oil-injected screw compressor?
Maintaining appropriate internal pressure helps support oil circulation, separation performance, and the intended operating relationship between the separator and downstream air system.
5. What can cause a minimum pressure valve to malfunction?
Wear, contamination, damaged sealing components, weakened springs, deposits, and prolonged operating service can affect valve response and sealing performance.
6. What are possible signs of a minimum pressure valve problem?
Abnormal pressure behavior, slow pressure build-up, unstable operating pressure, excessive oil carryover, or unusual compressor loading characteristics can indicate a valve-system issue.
7. Can 99289894 be replaced by individual generic valve components?
Not without confirming compatibility. Valve geometry, spring characteristics, sealing components, pressure requirements, and the complete repair configuration must match the intended compressor application.
8. Why should the valve seat and sealing surfaces be inspected during repair?
Damage or contamination at the sealing interface can prevent the valve from closing or regulating correctly, potentially affecting pressure control and compressor performance.
9. What should be checked after servicing the minimum pressure valve?
The valve should be checked for correct assembly, sealing, movement, pressure response, and proper compressor operation according to the applicable service procedure.
10. How should 99289894 compatibility be verified?
Confirm the compressor model, serial number, minimum pressure valve configuration, existing part identification, and applicable Ingersoll Rand parts information before ordering or installation.