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- Ingersoll Rand
- 47588564001 23392368
- Minimum Pressure Valve Service Kit
- USA
- 180 × 60 × 60 mm
- 0.70 kg
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Product Overview
The Ingersoll Rand 47588564001 23392368 Minimum Pressure Valve Service Kit is a maintenance kit for the minimum pressure valve used in applicable Ingersoll Rand rotary screw compressor systems. The 23392368 part number identifies the Minimum Pressure Valve Service Kit, while 47588564001 is associated with the compressor maintenance-kit reference.
The minimum pressure valve is located in the compressed-air and separator section of an oil-flooded screw compressor. Its job is not simply to act as an ordinary check valve. It helps maintain the required internal pressure within the separator system, particularly during compressor start-up and low-pressure operating conditions.
This pressure relationship matters because the compressor’s oil circulation depends on maintaining suitable internal conditions. If the minimum pressure valve begins to leak, sticks, or fails to regulate correctly, symptoms may appear in several areas of compressor operation rather than only at the valve itself.
For example, during maintenance of a compressor that has difficulty building separator pressure after start-up, the minimum pressure valve is one of the components worth inspecting. Similarly, abnormal pressure behavior, poor valve sealing, or deterioration of associated service components can justify replacing the applicable service parts rather than waiting for a complete valve assembly failure.
The 47588564001 reference is associated with the broader maintenance context, while 23392368 identifies the minimum pressure valve service kit. Before ordering, maintenance personnel should compare the compressor model, installed valve arrangement, and existing part number.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Ingersoll Rand |
| Part Number | 23392368 |
| Associated Maintenance Reference | 47588564001 |
| Product Type | Minimum Pressure Valve Service Kit |
| Component Category | Compressor Pressure-Control Service Part |
| Primary Function | Minimum Pressure Valve Maintenance |
| System Position | Separator / Compressed-Air Pressure Circuit |
| Application | Industrial Rotary Screw Compressor |
| Maintenance Use | Valve Inspection and Service |
| Dimensions | 180 × 60 × 60 mm |
| Weight | 0.70 kg |
Product Features
The 23392368 service kit is focused on maintenance of the minimum pressure valve rather than general compressor servicing.
- Ingersoll Rand Minimum Pressure Valve Service Kit
- Part number 23392368
- Associated with maintenance reference 47588564001
- Intended for service of the compressor minimum pressure valve
- Used within the separator pressure circuit
- Relevant to compressor start-up pressure behavior
- Supports inspection and servicing of valve-related components
- Suitable for scheduled compressor maintenance
- Useful when valve sealing or pressure-control performance requires attention
- Suitable for industrial compressor spare-parts management
The correct application should be confirmed against the compressor’s specific configuration. Minimum pressure valve arrangements can vary between compressor models, so the part number should not be selected solely by physical dimensions.
Working Principle
The minimum pressure valve works at the boundary between the compressor’s internal separator system and the downstream compressed-air outlet.
A simplified pressure path is:
Air End → Separator Vessel → Minimum Pressure Valve → Aftercooling / Air Outlet → Plant Air System
During compressor start-up, the valve remains sufficiently closed to allow pressure to build inside the separator system. This internal pressure supports the compressor’s oil-management system and establishes the operating conditions required by the air end.
Once the internal pressure reaches the appropriate operating range, the valve opens and allows compressed air to move toward the plant air system.
During normal operation, the valve therefore has two practical functions:
- Maintain internal compressor pressure when required
- Allow compressed air to pass downstream once operating pressure is established
A valve that does not seal properly can allow pressure to escape too early. Conversely, excessive resistance or incorrect valve movement can restrict downstream air flow.
This is why minimum pressure valve maintenance can affect more than discharge pressure. Engineers may also need to consider separator pressure, oil circulation, start-up behavior, and the compressor’s overall operating sequence.
Role in the Compressor Pressure and Oil Circuit
The minimum pressure valve sits downstream of the air/oil separation process and upstream of the plant compressed-air network.
A simplified system arrangement is:
Air Intake → Intake Valve → Screw Air End → Separator Vessel → Minimum Pressure Valve → Cooler → Plant Air Network
| System Component | Function |
|---|---|
| Air Intake Filter | Removes airborne contaminants from incoming air |
| Intake Valve | Controls air entering the air end |
| Screw Air End | Compresses the incoming air |
| Separator Vessel | Provides air/oil separation and internal pressure volume |
| Minimum Pressure Valve | Maintains minimum internal pressure and controls downstream flow |
| Air/Oil Separator Element | Removes residual oil from compressed air |
| Oil Return System | Returns separated oil to the compressor circuit |
| Aftercooler | Reduces compressed-air temperature where applicable |
| Oil Cooler | Removes heat from compressor oil |
| Compressor Controller | Coordinates operating conditions |
The minimum pressure valve therefore connects the internal compressor pressure environment with the downstream compressed-air system.
Industrial Applications
The 23392368 service kit is primarily relevant to maintenance of industrial rotary screw compressors using the applicable minimum pressure valve arrangement.
| Application | Typical Use |
|---|---|
| Manufacturing Plants | Maintaining centralized compressed-air systems |
| Automotive Production | Compressor maintenance for pneumatic production equipment |
| Metal Processing | Supporting continuous plant-air availability |
| Chemical Processing | Maintaining compressor pressure-control components |
| Packaging Lines | Supporting compressed-air utilities |
| General Process Plants | Scheduled servicing of compressor pressure circuits |
| Industrial Workshops | Maintenance of rotary screw compressors |
| Utility Air Systems | Corrective maintenance of minimum pressure valves |
For facilities where compressed air is a continuous utility, minimum pressure valve condition is particularly relevant during planned compressor shutdowns and major service intervals.
Installation and Maintenance
Servicing the minimum pressure valve should be approached as a pressure-system maintenance task. The compressor must be isolated and depressurized before the valve or its service components are removed.
A practical maintenance procedure should include:
- Confirm the 23392368 part number.
- Verify the compressor model and valve configuration.
- Isolate electrical power.
- Fully release stored compressed-air pressure.
- Allow the compressor to reach a safe maintenance condition.
- Inspect the minimum pressure valve assembly.
- Check for contamination around the valve.
- Inspect serviceable sealing components.
- Check valve movement.
- Look for signs of abnormal wear.
- Inspect related fittings and connections.
- Check the separator-side connection.
- Replace applicable service components.
- Reassemble the valve correctly.
- Verify that the valve moves without abnormal resistance.
- Restart the compressor under controlled conditions.
- Observe separator pressure during start-up.
- Check downstream pressure behavior.
- Confirm normal loading and unloading operation.
- Monitor for abnormal pressure leakage or operating noise.
If the compressor does not build pressure correctly after servicing, technicians should not immediately assume the replacement kit is defective. Intake conditions, separator components, control signals, leakage, pressure sensors, and other parts of the pressure circuit can produce similar symptoms.
Related Components
The minimum pressure valve interacts with several components in both the compressor pressure circuit and oil-management system.
| Component | Function / Relationship |
|---|---|
| 23392368 | Minimum Pressure Valve Service Kit |
| 47588564001 | Associated Maintenance Reference |
| Air/Oil Separator | Separates oil from compressed air |
| Separator Vessel | Maintains internal pressure and supports separation |
| Oil Return Line | Returns separated oil to the air end |
| Intake Valve | Controls compressor air intake |
| Air Filter | Filters incoming atmospheric air |
| Oil Filter | Removes contaminants from compressor oil |
| Oil Cooler | Controls compressor oil temperature |
| Aftercooler | Reduces compressed-air temperature |
| Pressure Sensor | Monitors compressor pressure conditions |
| Compressor Controller | Coordinates compressor operating states |
The minimum pressure valve should be assessed as part of this larger pressure and oil-management system when troubleshooting.
Recommended Related Models
For SEO and spare-parts cataloging, related products are selected around compressor pressure control, separator maintenance, and the associated service system rather than simply listing unrelated Ingersoll Rand components.
| Model / Part Number | Product Type | Typical Application |
|---|---|---|
| Ingersoll Rand 23392368 | Minimum Pressure Valve Service Kit | Minimum pressure valve maintenance |
| Ingersoll Rand 47588564001 | Compressor Maintenance Reference | Scheduled compressor service |
| Ingersoll Rand 47553880001 | Intake Valve Service Kit | Intake valve maintenance |
| Ingersoll Rand 23561319 | Air/Oil Separator | Oil separation in applicable compressors |
| Ingersoll Rand 47552954001 | Thermostatic Valve Service Kit | Compressor oil-temperature control |
| Ingersoll Rand 47553882001 | Gearbox Maintenance Kit | Compressor gearbox service |
| Ingersoll Rand 47553886001 | Air-Cooled Hose Maintenance Kit | Compressor hose maintenance |
| Ingersoll Rand 47553890001 | Water-Cooled Hose Maintenance Kit | Water-cooled compressor maintenance |
Key Advantages
- Ingersoll Rand Minimum Pressure Valve Service Kit.
- Part number 23392368.
- Associated with maintenance reference 47588564001.
- Focused on minimum pressure valve servicing.
- Relevant to separator pressure management.
- Supports scheduled compressor maintenance.
- Useful for valve sealing and pressure-control service.
- Suitable for industrial rotary screw compressor maintenance.
- Can be included in planned pressure-system overhaul work.
Technical FAQs
What does the minimum pressure valve control in an oil-flooded screw compressor?
It maintains the required internal pressure within the compressor’s separator system and allows compressed air to pass downstream once the operating conditions are established. This pressure relationship also supports the compressor’s oil-management process.
What symptoms can indicate a minimum pressure valve problem?
Possible symptoms include abnormal separator pressure behavior, difficulty establishing pressure during start-up, unusual downstream pressure response, or excessive pressure leakage. These symptoms can also originate from other components, so the valve should be inspected as part of the complete pressure circuit.
Why is the minimum pressure valve important during compressor start-up?
The compressor needs to establish suitable internal pressure before operating normally. If the valve opens too early or fails to maintain the required pressure, the compressor may have difficulty establishing the intended internal operating conditions.
What should be checked before installing the 23392368 service kit?
The compressor model, existing minimum pressure valve, part number, separator configuration, and related connections should be checked first. The compressor must also be fully isolated and depressurized before valve servicing begins.