Introduction
The Ingersoll Rand 47545141001 99289894 Minimum Pressure Valve Service Kit is a pressure-control maintenance component associated with the major service requirements of compatible New Cobra M90–160 water-cooled rotary screw compressors. The 47545141001 reference identifies the 16,000-hour preventive maintenance package, while 99289894 is specified as the minimum pressure valve service kit within the related maintenance structure.
The minimum pressure valve has an important role in an oil-injected rotary screw compressor. Maintaining suitable internal pressure supports the compressor's oil circulation and air/oil separation functions, particularly during operating conditions in which system pressure must remain within the intended range.
99289894 is specifically associated with M90–160 minimum pressure valve applications. Parts catalog information connects the reference with minimum pressure valve 23521297, providing useful identification information for maintenance and purchasing teams.
Rather than treating the component as a generic pressure valve, 99289894 should be selected according to the complete compressor application. The valve arrangement, pressure requirements, sealing configuration, and compressor generation can all influence correct parts selection.
During extended compressor operation, the minimum pressure valve can be exposed to oil, temperature cycling, pressure fluctuations, and contamination. Deposits or component wear may affect its ability to regulate pressure correctly. Including the service kit in a scheduled maintenance program allows the valve condition to be addressed before a minor deterioration becomes a larger operational issue.
The relationship with 47545141001 is especially useful for planned maintenance. The broader service package combines pressure-control work with other major maintenance tasks, including air filtration, coolant filtration, air/oil separation, motor lubrication, temperature-control service, inlet-valve service, and water-cooler maintenance.
A properly functioning minimum pressure valve contributes to stable compressor operation. If the valve does not maintain the required pressure conditions, the resulting symptoms may overlap with other compressor faults. For this reason, technicians should evaluate pressure readings, separator condition, lubricant condition, control signals, and related components before concluding that the valve itself is the sole cause.
The service-kit designation is also important for procurement. Catalog information identifies 99289894 as KIT, MPV REPAIR, while another parts reference describes it specifically for the M90–160 minimum pressure valve. This indicates that the part should be ordered according to the applicable service configuration rather than assumed to be a universal complete-valve replacement.
Other Ingersoll Rand MPV kit references exist in parts catalogs, including 93498749, 93608479, and 93686897. These references demonstrate that minimum pressure valve service components vary across compressor applications. They should therefore be regarded as related references rather than automatic replacements for 99289894.
For maintenance teams, replacing or servicing the minimum pressure valve during a planned major service can help maintain pressure-control performance and improve component traceability. It also provides an opportunity to inspect associated fittings, seals, passages, and control components for contamination or deterioration.
Exact internal kit contents, pressure-setting values, spring characteristics, valve dimensions, package dimensions, and weight for the current 99289894 configuration were not sufficiently verified from authoritative documentation. These specifications are therefore intentionally not estimated.
When correctly matched to the compressor, 99289894 provides a dedicated service reference for the minimum pressure valve system and complements the broader preventive-maintenance objectives of 47545141001.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Ingersoll Rand |
| Maintenance Kit Reference | 47545141001 |
| Maintenance Interval | 16,000 Hours |
| Maintenance Kit Type | Preventive Maintenance Kit |
| Compressor Family | New Cobra M90–160 |
| Cooling Configuration | Water-cooled |
| Component Part Number | 99289894 |
| Product Type | Minimum Pressure Valve Service / Repair Kit |
| Catalog Description | KIT, MPV REPAIR |
| Primary Function | Minimum pressure valve maintenance |
| Quantity in Maintenance Package | 1 |
| Associated Valve Reference | 23521297 |
| Application | Compatible M90–160 compressor configurations |
| Pressure Setting | Application-specific; verify applicable service documentation |
| Internal Kit Contents | Verify current bill of materials |
| Valve Dimensions | Application-specific; verify applicable parts documentation |
| Kit Dimensions | Application-specific; verify applicable parts documentation |
| Weight | Packaging-specific; verify supplied product |
| Installation | Follow applicable Ingersoll Rand service documentation |
| Compatibility | Confirm compressor model and serial number before ordering |
Current parts data identifies 99289894 for the M90–160 minimum pressure valve application and associates one kit with the applicable New Cobra maintenance package.
Recommended Companion Models
| Model | Product Name |
| 24172215 | Air Filter Element |
| 39911631 | Coolant Filter Element |
| 54509427 | Air/Oil Separator Element |
| 47545143001 | Water Cooler Seal Maintenance Kit |
These components address complementary intake filtration, coolant/lubricant filtration, air/oil separation, and water-cooling maintenance functions within the broader New Cobra M90–160 water-cooled service program.
Frequently Selected Alternatives
| Model | Product Name |
| 93498749 | MPV Service Kit |
| 93608479 | MPV Service Kit |
| 93686897 | MPV Service Kit |
| 99289886 | Minimum Pressure Valve Spare Parts Package |
