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- Ingersoll Rand
- 47545145001 99289894
- Minimum Pressure Check Valve Repair Kit
- USA
- 84 × 84 × 202 mm
- 1.41 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Ingersoll Rand 99289894 is a minimum pressure check valve repair kit used for servicing the pressure control assembly in compatible rotary screw compressor systems. It is associated with the 47545145001 service part family and is intended for maintenance work rather than replacement of the complete compressor valve assembly.
The minimum pressure check valve helps maintain the required pressure within the compressor’s air/oil separation system while controlling the flow of compressed air toward the discharge side. The valve also supports the compressor’s internal oil circulation and separation process during operation.
Using a repair kit allows worn or serviceable valve components to be renewed during maintenance without replacing the complete valve assembly, depending on the condition of the existing valve body and related components.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Minimum Pressure Check Valve Repair Kit |
| Brand | Ingersoll Rand |
| Part Number | 99289894 |
| Service Part Family | 47545145001 |
| Application | Rotary screw compressor systems |
| Function | Minimum pressure valve maintenance |
| Component Type | Repair kit |
| Installation Position | Compressor air/oil separation and pressure control circuit |
| Service Application | Valve inspection and component replacement |
| Compatible System | Ingersoll Rand compressor systems using the corresponding valve assembly |
| Dimensions | 84 × 84 × 202 mm |
| Weight | 1.41 kg |
Product Features
- Repair kit for a minimum pressure check valve
- Intended for compressor maintenance and valve servicing
- Supports restoration of pressure control functions
- Used within the compressor air/oil separation circuit
- Allows serviceable valve components to be renewed
- Suitable for maintenance of compatible Ingersoll Rand compressor systems
- Part of the 47545145001 service component family
Working Principle
The minimum pressure check valve operates within the compressor discharge and air/oil separation circuit. During startup, the valve helps maintain pressure within the separator system so that the compressor can establish the required internal operating pressure.
Once the compressor reaches the appropriate operating condition, the valve allows compressed air to move toward the downstream discharge system. Its pressure-control function also supports proper oil circulation and separation inside the compressor.
During maintenance, the 99289894 repair kit is used to replace serviceable internal valve components. After the worn components are renewed and the valve is correctly reassembled, the valve can resume its pressure-control and check-valve functions within the compressor system.
Role in a Rotary Screw Compressor Control Architecture
| System Element | Role |
|---|---|
| 99289894 Repair Kit | Renews serviceable components of the minimum pressure check valve |
| Minimum Pressure Check Valve | Controls minimum internal pressure and compressed-air discharge |
| Air/Oil Separator | Separates oil from compressed air |
| Oil Circuit | Returns separated oil to the compressor lubrication circuit |
| Screw Compressor Element | Compresses air and circulates compressor oil |
| Oil Filter | Removes contaminants from circulating compressor oil |
| Compressor Controller | Monitors compressor operating conditions |
| Discharge System | Receives compressed air from the compressor |
Industrial Applications
| Application | Repair Kit Usage |
|---|---|
| Rotary Screw Compressors | Maintenance of the minimum pressure valve assembly |
| Industrial Air Systems | Supports compressor pressure-control maintenance |
| Manufacturing Plants | Used during scheduled compressor service |
| Pneumatic Production Systems | Helps restore the valve function supporting compressed-air delivery |
| Compressor Service Workshops | Used for repair and overhaul work |
| Process Air Systems | Supports maintenance of compressor air/oil separation components |
| Plant Utility Systems | Used when servicing compatible compressor pressure-control assemblies |
Installation and Maintenance
- Confirm the 99289894 part number and compressor compatibility before beginning service.
- Shut down the compressor and isolate the electrical power supply.
- Allow the compressor to depressurize completely before opening the valve assembly.
- Follow the compressor manufacturer’s safety procedure for servicing the pressure circuit.
- Remove the minimum pressure check valve assembly according to the applicable service procedure.
- Inspect the valve body for damage before installing repair-kit components.
- Replace the applicable worn or damaged internal components included in the repair kit.
- Clean mating surfaces and internal valve areas before reassembly.
- Reassemble the valve carefully and ensure all components are correctly positioned.
- Reinstall the valve assembly and check all associated connections.
- Restart the compressor and monitor pressure behavior and leakage during commissioning.
- Confirm normal compressor operation before returning the equipment to continuous service.
Related Components
| Component | Function in the Compressor System |
|---|---|
| Minimum Pressure Check Valve | Maintains minimum internal pressure and controls discharge flow |
| Air/Oil Separator | Separates compressor oil from compressed air |
| Oil Filter | Filters contaminants from circulating compressor oil |
| Air Filter | Removes contaminants from intake air |
| Temperature Control Valve | Helps regulate compressor oil temperature |
| Oil Return Line | Returns separated oil to the compressor oil circuit |
| Compressor Controller | Monitors and manages compressor operation |
Recommended Related Models
| Model | Product Category | Typical Use |
|---|---|---|
| 99289894 | Minimum Pressure Check Valve Repair Kit | Minimum pressure valve maintenance |
| 54509427 | Air/Oil Separator | Compressor air/oil separation |
| 24172215 | Air Filter | Compressor intake air filtration |
| 39911631 | Oil Filter | Compressor oil filtration |
| 47545136001 | Temperature Control Valve Maintenance Kit | Compressor temperature control maintenance |
Key Advantages
- Supports minimum pressure valve maintenance
- Allows renewal of serviceable valve components
- Suitable for compressor repair and overhaul work
- Supports proper pressure control within the compressor system
- Helps extend the serviceability of the existing valve assembly
Technical FAQs
What is the Ingersoll Rand 99289894 used for?
The 99289894 is a minimum pressure check valve repair kit used to service the corresponding valve assembly in compatible rotary screw compressor systems.
Does the 99289894 replace the complete minimum pressure valve?
No. It is a repair kit intended to renew serviceable components within the existing valve assembly. The condition of the valve body should be checked before deciding whether a repair kit or complete valve replacement is appropriate.
Why is the minimum pressure check valve important in a screw compressor?
The valve helps maintain the required internal pressure during compressor operation and controls compressed-air flow toward the discharge system. Its operation also supports the compressor’s oil separation and circulation process.
What should be checked when installing the 99289894 repair kit?
The valve body, sealing surfaces, internal components, connections, and associated air/oil circuit should be inspected during service. After reassembly, the compressor should be checked for leakage and normal pressure behavior.