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- Ingersoll Rand
- 47588445001 24509200
- Minimum Pressure Check Valve Kit
- USA
- 100 × 15 × 80 mm
- 0.1 kg
- Xiamen, China
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Product Overview
The Ingersoll Rand 47588445001 24509200 Minimum Pressure Check Valve Kit is a service kit for the minimum pressure check valve (MPCV) used in compatible industrial air compressor systems. The valve regulates the release of compressed air from the separator vessel while helping maintain the internal pressure required for normal compressor operation.
In an oil-injected rotary screw compressor, the minimum pressure check valve serves two related functions. It helps retain sufficient pressure within the oil separation system during startup and restricts reverse airflow from the downstream compressed-air network. These functions support the compressor’s oil circulation and separation process while controlling the direction of airflow during operation and shutdown.
Part number 24509200 is identified as a service kit for a minimum pressure check valve, with the associated service description specifying an MPCV DN 51 outlet. The kit is intended for maintenance of the applicable valve assembly rather than replacement of the entire compressor or separator vessel.
Wear of internal sealing components, deterioration of moving parts, or contamination within the valve can interfere with pressure regulation. Depending on the fault, the compressor may experience delayed pressure buildup, abnormal unloading behavior, pressure loss, or reverse leakage. Servicing the valve can restore its intended operation when the problem originates from repairable internal components.
The kit belongs to the mechanical pressure-control section of the compressor. It is distinct from the thermostatic valve service kit, which manages lubricant temperature, and from the air/oil separator element, which removes residual oil droplets from compressed air.
For maintenance planning, the 24509200 reference identifies the specific service component needed for the applicable minimum pressure check valve. The valve’s internal condition and the associated pressure circuit determine whether a service-kit replacement is sufficient or whether additional repairs are required.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Ingersoll Rand |
| Model Reference | 47588445001 |
| Part Number | 24509200 |
| Product Name | Minimum Pressure Check Valve Kit |
| Product Type | Minimum Pressure Check Valve Service Kit |
| Product Category | Industrial Air Compressor Spare Part |
| Valve Abbreviation | MPCV |
| Primary Function | Minimum pressure regulation and reverse-flow prevention |
| Associated Outlet Specification | DN 51 |
| Installation Location | Compressor separator vessel discharge assembly |
| Maintenance Purpose | Servicing the minimum pressure check valve |
| Dimensions | 100 × 15 × 80 mm |
| Weight | 0.1 kg |
Product Features
- Minimum pressure valve servicing: Supports maintenance of the applicable minimum pressure check valve assembly.
- Dedicated part identification: Uses part number 24509200 for spare-parts inventory and service documentation.
- DN 51 outlet association: Corresponds to the specified MPCV service description.
- Pressure regulation support: Helps restore valve operation when internal wear affects pressure control.
- Check-valve function: Supports the restriction of reverse airflow from the downstream compressed-air network.
- Separator pressure management: Contributes to maintaining the pressure conditions required by the compressor’s oil separation system.
- Internal component repair: Allows servicing of the applicable valve without automatically replacing the complete assembly.
- Maintenance integration: Can be included in planned compressor servicing and valve-related troubleshooting.
- Mechanical fault correction: Addresses repairable valve-related faults rather than unrelated electrical or control-system problems.
- Pressure circuit maintenance: Supports inspection of the valve alongside the separator vessel and downstream discharge connections.
Working Principle
The 24509200 Minimum Pressure Check Valve Kit is used to service the valve that controls compressed-air discharge from the compressor’s separator vessel. The valve responds to the pressure difference across its internal mechanism, opening when operating conditions permit and restricting reverse flow when downstream pressure is higher.
Rotary Screw Air End → Oil Separator Vessel → Minimum Pressure Check Valve → Aftercooler → Compressed-Air Network
During startup, the valve restricts the release of compressed air until the required internal pressure develops. This helps establish the pressure conditions needed for the oil separation and lubrication processes. Once the opening condition is reached, compressed air passes through the valve toward the aftercooler and downstream air system.
During normal operation, the valve regulates the discharge path while maintaining the intended pressure relationship across the separator system. Its check-valve function also helps prevent compressed air stored in downstream piping or an air receiver from flowing backward into the compressor.
The valve relies on correctly functioning internal sealing surfaces and moving components. Wear, contamination, or damaged seals can prevent the mechanism from opening or closing properly. A suitable service kit allows the affected internal parts to be renewed when the valve body and other reusable components remain in serviceable condition.
After servicing, the valve should be assessed through the compressor’s approved operating procedure. Pressure buildup, discharge behavior, leakage, and unloading performance help establish whether the original fault has been corrected.
Role in an Ingersoll Rand Compressor System
The minimum pressure check valve sits between the separator vessel and the downstream compressed-air cooling and distribution system. The 24509200 kit supports maintenance of this pressure-control point, while the oil filter, separator element, and temperature control valve perform separate functions.
Compressor Air End → Separator Vessel → Minimum Pressure Check Valve → Aftercooler → Air Receiver and Distribution Network
| System Component | Function |
|---|---|
| Ingersoll Rand 24509200 Minimum Pressure Check Valve Kit | Provides service components for the applicable MPCV assembly |
| Minimum Pressure Check Valve | Regulates discharge flow and restricts reverse airflow |
| Oil Separator Vessel | Houses the separation system and supports internal pressure buildup |
| Air/Oil Separator Element | Removes residual oil droplets from compressed air |
| Compressor Air End | Compresses incoming air and produces an air-oil mixture |
| Oil Return Circuit | Returns recovered lubricant to the compressor oil system |
| Oil Filter | Removes contaminants from circulating lubricant |
| Temperature Control Valve | Regulates lubricant flow according to operating temperature |
| Aftercooler | Reduces compressed-air temperature before downstream distribution |
| Pressure Monitoring Devices | Provide operating pressure information where fitted |
| Compressor Controller | Coordinates operating sequences and monitors available system signals |
Industrial Applications
| Application | Typical Use |
|---|---|
| Industrial Manufacturing | Maintaining minimum pressure valve operation in compressed-air systems supplying production machinery |
| Automotive Production | Servicing pressure-control components in plant compressor installations |
| Metalworking Facilities | Maintaining the discharge pressure arrangement of compressors supplying pneumatic equipment |
| Packaging Plants | Supporting compressor pressure regulation for automated production lines |
| Process Manufacturing | Servicing the minimum pressure valve within industrial compressed-air systems |
| Central Compressor Rooms | Maintaining valve operation in shared compressed-air installations |
| Continuous-Operation Facilities | Including valve service in planned compressor maintenance |
| Industrial Utility Systems | Addressing valve-related pressure buildup or reverse-flow problems |
| Compressor Maintenance Workshops | Rebuilding serviceable minimum pressure valve assemblies |
| Oil-Injected Screw Compressors | Maintaining pressure control in compatible separator vessel discharge arrangements |
Installation and Maintenance
- Verify the part reference: Identify the required kit as Ingersoll Rand 24509200 and confirm that the applicable valve uses the specified DN 51 outlet arrangement.
- Isolate the compressor: Stop the machine, disconnect the electrical supply, and follow the site’s lockout and tagout procedure.
- Depressurize the system: Ensure the separator vessel and connected piping are in the safe pressure condition specified by the service procedure.
- Allow components to cool: Wait until the compressor oil and valve assembly have reached a safe temperature for maintenance.
- Locate the valve assembly: Identify the minimum pressure check valve and its connections to the separator vessel and discharge circuit.
- Document the original arrangement: Record the valve orientation and internal component positions before disassembly.
- Inspect the valve body: Examine the seating surfaces, internal passages, and sealing interfaces for wear, scoring, corrosion, or contamination.
- Check the kit contents: Compare the supplied service components with the applicable valve parts list before installation.
- Replace the service components: Fit the specified internal parts according to the valve maintenance procedure.
- Reassemble the valve: Restore the original arrangement and follow the applicable sealing and tightening requirements.
- Check operation after restart: Monitor pressure buildup, discharge behavior, and leakage during the approved commissioning procedure.
- Record the maintenance: Document the kit reference, replaced components, observed valve condition, and post-service operating results.
Related Components
| Component | Function |
|---|---|
| Ingersoll Rand 24509200 Minimum Pressure Check Valve Kit | Services the applicable minimum pressure check valve |
| Minimum Pressure Check Valve Assembly | Controls discharge flow and restricts reverse airflow |
| Oil Separator Vessel | Supports pressure buildup and houses the separation system |
| Air/Oil Separator Element | Removes entrained oil from compressed air |
| Oil Return Circuit | Returns recovered oil to the compressor lubrication system |
| Oil Filter | Filters circulating compressor lubricant |
| Temperature Control Valve | Regulates oil flow according to temperature |
| Aftercooler | Reduces compressed-air temperature |
| Pressure Monitoring Device | Measures pressure at designated points in the system |
| Air Receiver | Stores compressed air and helps accommodate demand fluctuations |
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| Ingersoll Rand 24509200 | Minimum Pressure Check Valve Kit | Servicing the applicable MPCV assembly |
| Ingersoll Rand 24509184 | Temperature Control Valve Service Kit | Maintaining the compressor lubricant temperature control valve |
| Ingersoll Rand 24900342 | Air/Oil Separator Element | Separating residual oil from compressed air in compatible systems |
| Ingersoll Rand 24900433 | Oil Filter | Filtering circulating compressor lubricant |
| Ingersoll Rand 48958201 | Air Filter Element | Filtering incoming air before compression |
| Ingersoll Rand 49007941 | Pre-Filter Pad | Preliminary intake filtration in compatible configurations |
Key Advantages
- Supports servicing of the minimum pressure check valve.
- Helps restore pressure regulation when repairable internal wear is responsible.
- Supports the prevention of reverse airflow from the downstream compressed-air network.
- Provides a dedicated part reference for maintenance planning.
- Helps maintain the intended pressure conditions within the compressor separation system.
Technical FAQs
What does MPCV mean in the 24509200 service-kit description?
MPCV stands for minimum pressure check valve. It identifies the valve that regulates discharge flow from the separator vessel while also restricting reverse airflow from the downstream compressed-air system.
What does the DN 51 outlet specification refer to?
DN 51 identifies the nominal outlet size associated with the service-kit description. This specification relates to the valve’s discharge connection rather than the compressor’s motor power or air delivery capacity.
How can a worn minimum pressure check valve affect compressor startup?
If the valve does not regulate pressure correctly, the compressor may take longer to establish the required internal pressure or may exhibit abnormal discharge behavior. Valve wear is one possible cause, so the pressure circuit should be assessed as a whole.
When is a repair kit preferable to replacing the complete valve assembly?
A repair kit is appropriate when the fault is attributable to serviceable internal components and the valve body remains in suitable condition. A damaged housing, badly worn seating surface, or other structural defect may require replacement of the complete assembly.