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- Ingersoll Rand
- 47545139001 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 47545139001 99289894 Minimum Pressure Check Valve Repair Kit is a compressor service part used for maintenance of the minimum pressure check valve in compatible Ingersoll Rand rotary screw air compressors.
The minimum pressure check valve works in the separator and compressed-air discharge circuit. It helps maintain the required internal pressure during compressor operation and controls the movement of compressed air toward the downstream air system.
The 99289894 reference identifies the repair kit for the minimum pressure check valve assembly. It is used when the valve requires service because of wear, leakage, contamination, or abnormal pressure behavior.
The repair kit is intended for maintenance work on the existing valve assembly. Service technicians can inspect the valve, replace the applicable worn components, and return the assembly to operating condition without treating the complete compressor as a replacement item.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Ingersoll Rand |
| Model / Part Number | 99289894 |
| Additional Reference | 47545139001 |
| Product Type | Minimum Pressure Check Valve Repair Kit |
| Component | Minimum Pressure Check Valve |
| Component Function | Minimum pressure control in compressor discharge circuit |
| Equipment Type | Rotary screw air compressor |
| Application | Compressor maintenance and repair |
| Service Type | Minimum pressure valve repair |
| Valve Size Reference | 3.0 inch |
| Product Category | Compressor spare / repair part |
| Installation | Valve assembly service |
| Dimensions | 84 × 84 × 202 mm |
| Weight | 1.41 kg |
Product Features
- Ingersoll Rand Minimum Pressure Check Valve Repair Kit
- Part number 99289894
- Additional reference 47545139001
- Intended for minimum pressure check valve service
- Used with compatible rotary screw air compressors
- Suitable for planned maintenance and corrective repair
- Supports servicing of the existing valve assembly
- Used in the compressor air and oil separation circuit
- Suitable for industrial compressed-air equipment
- Intended for compressor maintenance and spare-parts inventories
- 3.0-inch valve repair configuration
Working Principle
The minimum pressure check valve operates between the compressor’s air/oil separator section and the compressed-air discharge circuit.
Air/Oil Separator → Minimum Pressure Check Valve → Aftercooler → Plant Air System
During compressor startup, the valve restricts the discharge path while pressure builds inside the separator system.
After the required internal pressure is established, the valve opens and allows compressed air to move toward the downstream system.
The valve also helps maintain pressure on the separator side during normal compressor operation. This pressure is associated with the compressor’s oil separation and lubrication system.
When valve components become worn or damaged, the valve may leak, fail to maintain the required pressure, or show abnormal operating behavior. The 99289894 repair kit is used during valve service to replace applicable repair components.
Role in an Ingersoll Rand Rotary Screw Compressor Control Architecture
The 99289894 Minimum Pressure Check Valve Repair Kit belongs to the mechanical air-management section of the compressor.
Airend → Air/Oil Separator → Minimum Pressure Check Valve → Aftercooler → Air Receiver / Plant Air Network
| System Element | Function |
|---|---|
| Compressor Airend | Compresses incoming air |
| Air/Oil Separator | Separates lubricant from compressed air |
| Minimum Pressure Check Valve | Maintains minimum internal pressure and controls air discharge |
| 99289894 Repair Kit | Services the compatible minimum pressure check valve |
| Oil Circuit | Returns separated lubricant to the compressor |
| Aftercooler | Reduces compressed-air temperature |
| Air Receiver | Stores compressed air and balances demand |
| Pressure Sensor | Monitors compressor pressure |
| Compressor Controller | Monitors and manages compressor operation |
| Plant Air Network | Distributes compressed air to downstream equipment |
Industrial Applications
| Application | Typical Use |
|---|---|
| Rotary Screw Compressors | Minimum pressure valve maintenance |
| Manufacturing Plants | Maintenance of plant compressed-air equipment |
| Automotive Production | Supporting pneumatic production systems |
| Metal Processing | Compressor service for industrial air systems |
| Packaging Equipment | Maintaining compressors supplying pneumatic machinery |
| Textile Manufacturing | Service of plant compressed-air systems |
| Process Industries | Maintaining compressor pressure-control components |
| Factory Utilities | Repair of compressor air-system components |
| Industrial Service Centers | Compressor valve inspection and repair |
| General Compressed-Air Systems | Scheduled maintenance of compatible compressors |
Installation and Maintenance
- Confirm the 99289894 part number against the compressor parts documentation before starting the repair.
- Verify the compressor model and installed minimum pressure valve configuration.
- Shut down the compressor and isolate the electrical supply before maintenance.
- Completely release residual compressed-air pressure from the compressor system.
- Allow hot compressor components and lubricant to cool before beginning work.
- Clean the area around the minimum pressure valve before removing the assembly.
- Inspect the valve body, piston, spring, sealing surfaces, and other accessible components.
- Compare the replacement components with the removed components before installation.
- Replace worn or damaged components according to the applicable compressor service procedure.
- Reassemble the minimum pressure valve and check all connections before returning the compressor to service.
- Start the compressor and monitor pressure development, discharge pressure, and valve operation.
- Record the part number and maintenance date for future compressor service.
Related Components
| Component | Function |
|---|---|
| Minimum Pressure Check Valve Assembly | Controls minimum internal compressor pressure |
| Air/Oil Separator | Separates lubricant from compressed air |
| Oil Filter | Removes contaminants from compressor oil |
| Air Filter | Filters incoming air |
| Blowdown Valve | Releases compressor pressure during unloading or shutdown |
| Pressure Sensor | Measures compressor pressure |
| Temperature Control Valve | Controls lubricant temperature |
| Aftercooler | Cools compressed air |
| Compressor Controller | Manages compressor operating functions |
| Compressor Oil | Provides lubrication and cooling |
Recommended Related Models
| Model / Product | Product Type | Typical Application |
|---|---|---|
| Ingersoll Rand 99289894 | Minimum Pressure Check Valve Repair Kit | Minimum pressure valve repair |
| Ingersoll Rand 99289860 | Minimum Pressure Valve | Complete minimum pressure valve replacement |
| Ingersoll Rand 99289852 | Minimum Pressure Valve | Minimum pressure control applications |
| Ingersoll Rand 99289845 | MPC Valve | Compressor minimum pressure control |
| Ingersoll Rand 22064695 | Minimum Pressure Valve Kit | Minimum pressure valve service |
| Ingersoll Rand 22067177 | Inlet Valve Repair Kit | Compressor inlet valve maintenance |
Key Advantages
- Dedicated repair kit for minimum pressure check valve service.
- Part number 99289894 for MPCV maintenance.
- Suitable for compatible Ingersoll Rand rotary screw compressors.
- Supports repair of the existing valve assembly.
- Suitable for scheduled compressor maintenance.
- Useful for corrective valve repair.
- Helps maintain the compressor’s minimum pressure function.
- Suitable for industrial compressed-air equipment.
Technical FAQs
What is the Ingersoll Rand 99289894?
The 99289894 is a Minimum Pressure Check Valve Repair Kit used for maintenance of the minimum pressure check valve in compatible Ingersoll Rand rotary screw compressors.
What does the minimum pressure check valve do?
The minimum pressure check valve helps establish and maintain pressure within the compressor separator system and controls compressed-air flow toward the downstream discharge circuit.
Is 99289894 a complete minimum pressure valve?
No. The 99289894 is a repair kit for the minimum pressure check valve assembly. A complete valve replacement uses a separate component reference.
What should be checked before installing the 99289894?
The compressor model, installed valve configuration, existing part number, valve size, and applicable service documentation should be checked before the repair kit is installed.