Introduction
The Ingersoll Rand 47550996001 99289894 Minimum Pressure Valve Service Kit is a maintenance-focused combination for compatible M90–160 compressor applications. The 47550996001 reference identifies an 8,000-hour preventive maintenance package, while 99289894 identifies the associated minimum pressure valve service kit. A published M90–160 VSD maintenance-parts list specifically places 99289894 under the 47550996001 package with a quantity of one.
The minimum pressure valve plays an important role in an oil-injected rotary screw compressor. It helps establish and maintain the internal pressure required for proper compressor operation, particularly in relation to oil circulation and the air/oil separation system. Reliable pressure control contributes to stable lubrication and consistent compressor performance.
For the M90–160 platform, 99289894 is a particularly useful maintenance reference because it identifies the service solution at the component level. Ingersoll Rand catalogue information describes the part as a minimum pressure valve reference for M90–160 applications and associates the service kit with minimum pressure valve 23521297.
The service-kit approach is valuable during major preventive maintenance because minimum pressure valve components can experience contamination, wear, or deterioration over extended operating periods. Renewing the applicable service components can help restore valve operation while avoiding unnecessary replacement of a larger assembly when the service procedure calls for a kit.
The 47550996001 maintenance package provides a broader service context. The same published parts listing associates the package with other major maintenance components, including 24172215 air filtration, 39911631 coolant filtration, 54509427 air/oil separation, and 39218193 motor grease. This makes the 8,000-hour service package useful as a coordinated maintenance reference for the compressor.
Correct application remains essential. Although 99289894 is associated with M90–160 equipment, minimum pressure valve designs can vary between compressor families and configurations. Other references such as 99289886 and 99289878 are identified for different compressor sizes, demonstrating why part-number matching should take priority over physical similarity.
For maintenance and procurement teams, using the complete 47550996001 and 99289894 references improves traceability and reduces the risk of selecting a service kit intended for another valve configuration. Before installation, the compressor model, serial number, valve reference, and current parts documentation should be checked.
When correctly matched to the machine, 99289894 provides a practical service solution for maintaining minimum pressure valve performance during a major preventive-maintenance event. Its inclusion within the documented 47550996001 package further supports coordinated 8,000-hour maintenance planning.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Ingersoll Rand |
| Maintenance Kit Number | 47550996001 |
| Maintenance Kit Type | 8,000-Hour Preventive Maintenance Package |
| Maintenance Kit Application | New Cobra M90–160 / M90–160 VSD |
| Component Number | 99289894 |
| Product Type | Minimum Pressure Valve Service / Repair Kit |
| Primary Function | Minimum pressure valve maintenance |
| Associated Valve Reference | 23521297 |
| Application Range | M90–160 |
| Kit Quantity in 47550996001 | 1, published maintenance-list reference |
| Valve Function | Maintain required compressor internal pressure |
| Installation Location | Minimum pressure valve assembly |
| Service Application | Preventive maintenance / valve overhaul |
| Dimensions | Application-specific; verify applicable parts documentation |
| Weight | Application-specific; verify supplied kit |
| Material | Application-specific; verify current parts documentation |
| Operating Pressure | Compressor-configuration specific |
| Operating Temperature | Compressor-configuration specific |
| Service Interval | Associated with 8,000-hour preventive maintenance program |
| Installation | Follow the applicable Ingersoll Rand service procedure |
| Compatibility | Verify compressor model, serial number, and valve configuration |
| Package Contents | Verify current 47550996001 bill of materials |
The association of 99289894 with the 47550996001 package and the quantity of one are supported by published M90–160 VSD maintenance-parts information.
Recommended Companion Models
| Model | Product Name |
| 39911631 | Coolant / Oil Filter Element |
| 54509427 | Air/Oil Separator Element |
| 24172215 | Air Filter Element |
| 39218193 | Motor Grease SHC 220 |
