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- Ingersoll Rand
- 47572170001 47553880001
- Inlet Valve Repair Kit
- USA
- 250 × 180 × 120 mm
- 2.0 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Ingersoll Rand 47572170001 47553880001 Inlet Valve Repair Kit is a compressor maintenance kit associated with servicing the inlet valve assembly. In an oil-injected rotary screw compressor, the inlet valve regulates the amount of atmospheric air entering the compression stage. Its movement is coordinated with the compressor’s operating state, allowing the machine to control air intake during loading, unloading and changes in demand.
The inlet valve assembly may include a valve body, moving control element, actuator and sealing components, depending on the compressor design. Over time, seals can deteriorate, moving parts can become contaminated, and the valve may no longer respond correctly to its control signal. A suitable repair kit allows the specified service components to be replaced without automatically replacing the complete valve assembly.
In a typical industrial installation, inlet valve condition affects how the compressor responds when compressed-air demand changes. A valve that does not close or regulate properly may contribute to air leakage, slow pressure recovery, abnormal unloading behavior or unexpected operating patterns. These symptoms can also originate from control solenoids, pneumatic lines or other compressor components, so diagnosis should precede disassembly.
The references 47572170001 and 47553880001 should be checked against the installed compressor and inlet valve configuration before maintenance begins. The exact kit contents and compatibility cannot be established from the part numbers alone, and the replacement components must match the original valve design.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Ingersoll Rand |
| Model / Part Number | 47572170001 |
| Alternate Part Number | 47553880001 |
| Product Type | Inlet Valve Repair Kit |
| Product Category | Compressor Inlet Valve Maintenance Kit |
| Application | Industrial Air Compressor Maintenance |
| Primary Function | Servicing the inlet valve assembly |
| System Association | Compressor air intake and load-control system |
| Typical Equipment Context | Industrial rotary screw compressors, subject to model compatibility |
| Valve Function | Regulates air admission into the compressor |
| Service Purpose | Replacement of specified worn or damaged valve components |
| Kit Contents | Must be verified against the applicable parts list |
| Compatible Compressor Model | Requires confirmation against the installed equipment |
| Dimensions | 250 × 180 × 120 mm |
| Weight | 2.0 kg |
Product Features
- Inlet valve maintenance: Supports servicing of the valve assembly that regulates air admission to the compressor.
- Component-level repair: Allows specified internal service parts to be replaced without automatically changing the complete valve.
- Air intake control: Relates directly to the compressor’s loading and unloading behavior.
- Sealing maintenance: Helps address deterioration of sealing components when replacement parts are included in the kit.
- Model-specific fitment: Requires verification of the compressor and installed valve configuration.
- Operational troubleshooting: Relevant when inlet valve wear or sticking is suspected during fault diagnosis.
- Preventive maintenance: Can be incorporated into service work when inspection identifies worn or damaged components.
- Spare-parts identification: The supplied references support maintenance records and replacement-part tracking.
Working Principle
The inlet valve controls the flow of atmospheric air into the compressor. Depending on the valve design, an actuator moves a valve element in response to pneumatic or electrical control signals. During loaded operation, the valve permits air to enter the compression stage. When the compressor unloads, the valve changes position to reduce or stop intake flow according to the machine’s control arrangement.
The repair kit is used when inspection indicates that specified internal components require replacement. For example, worn seals may allow unwanted leakage, while a sticking valve mechanism can interfere with normal changes between loaded and unloaded operation. Replacing the affected parts can restore the intended mechanical movement and sealing behavior when the valve body and other major components remain serviceable.
Consider a compressor that takes longer than expected to build system pressure. If the inlet valve fails to open correctly, the available intake air may be reduced. Conversely, if the valve does not close or unload as intended, the machine may continue drawing air or show abnormal pressure behavior. These observations are useful diagnostic clues, but they are not conclusive evidence of an inlet valve fault.
The valve should therefore be assessed together with its actuator, control solenoid, pneumatic connections and compressor controller. The exact repair procedure depends on the valve model and the components supplied in the kit.
Role in an Industrial Air Compressor Control System
The inlet valve sits at the beginning of the compressor’s air path and responds to the machine’s loading and unloading requirements. Its mechanical condition influences the relationship between the controller’s operating command and the amount of air admitted to the compression stage.
Atmospheric Air → Inlet Valve Assembly → Compressor Airend → Air/Oil Separation System → Downstream Cooling and Air Treatment
| System Component | Function | Relationship to the Repair Kit |
|---|---|---|
| Inlet Valve Assembly | Regulates incoming air | The primary assembly serviced by the kit |
| Inlet Valve Repair Kit | Supplies the specified replacement service components | Supports maintenance of the compatible valve |
| Valve Actuator | Moves the valve element in response to control input | Must operate correctly for the valve to respond as intended |
| Control Solenoid | Directs control signals or pneumatic flow where fitted | Influences valve movement during loading and unloading |
| Pneumatic Control Lines | Carry control air where the valve uses pneumatic actuation | Must remain correctly connected and free from leakage |
| Compressor Airend | Compresses the incoming air | Receives air admitted through the inlet valve |
| Compressor Controller | Manages operating sequences and loading states | Commands the operating state through the installed control arrangement |
| Pressure Sensor | Measures system or compressor pressure where fitted | Supplies information used in loading and unloading decisions |
| Air/Oil Separator | Separates lubricant from compressed air in applicable systems | Performs a downstream separation function |
| Minimum Pressure Valve | Maintains the required minimum pressure in applicable systems | Operates separately from the inlet valve |
| Intake Filter | Removes airborne particulate matter from incoming air | Protects the inlet and compression system from contamination |
Industrial Applications
| Application | Typical Equipment | Role of the Repair Kit |
|---|---|---|
| Manufacturing Plants | Centralized rotary screw compressor stations | Supports maintenance of inlet valves controlling plant air production |
| Automotive Production | Compressed-air systems serving pneumatic tools and production lines | Helps service inlet valve components when wear is identified |
| Metalworking Facilities | Industrial compressors supplying workshop equipment | Supports restoration of the specified inlet valve function |
| Packaging Operations | Compressors supplying pneumatic machinery | Relates to maintenance of the air intake control mechanism |
| Chemical Processing | Plant utility-air compressors | Supports service work on compatible compressor inlet valves |
| Food and Beverage Manufacturing | Industrial compressed-air generation equipment | Applies to compressor maintenance; air-quality treatment remains a separate requirement |
| Power and Utility Facilities | Compressor packages used for plant services | Supports maintenance of the intake control assembly where fitted |
| General Industrial Workshops | Compressors operating under variable demand | Helps address inlet valve wear or sticking identified during inspection |
Installation and Maintenance
- Verify the part references: Confirm that 47572170001 and 47553880001 match the required inlet valve repair kit and installed valve configuration.
- Identify the compressor model: Check the equipment identification and applicable parts configuration before removing any components.
- Shut down and isolate the equipment: Follow the prescribed electrical isolation procedure and prevent automatic restarting during maintenance.
- Relieve stored pressure: Depressurize the relevant system sections according to the compressor service procedure before dismantling the valve.
- Inspect the valve assembly: Check for leakage, contamination, damaged connections or signs of abnormal mechanical movement.
- Confirm the kit contents: Compare the supplied components with the applicable parts list before disassembly begins.
- Document the original arrangement: Record the positions and orientation of the valve components, seals and control connections before removal.
- Disassemble the valve carefully: Follow the specified service sequence and avoid damaging reusable mating surfaces or precision components.
- Inspect internal components: Check for worn seals, sticking mechanisms, damaged seats or other defects that could affect valve operation.
- Install the replacement parts: Fit the specified kit components in their correct positions and follow the applicable assembly and tightening requirements.
- Restore and test the system: Reconnect the valve and control lines, restore the compressor to service and verify loading, unloading and leakage behavior under controlled conditions.
- Record the maintenance results: Document the part references, replaced components, observed defects and post-service operating checks.
Related Components
| Component | Function | Relationship to the Inlet Valve Repair Kit |
|---|---|---|
| Inlet Valve Assembly | Controls incoming airflow | The primary assembly serviced by the kit |
| Valve Actuator | Moves the inlet valve element | Must respond correctly to the control input |
| Control Solenoid | Directs the valve’s control signal or pneumatic supply where fitted | Can affect valve operation if faulty |
| Valve Seals and O-Rings | Seal internal and external interfaces | May be replaced if included in the specified kit |
| Pneumatic Control Lines | Carry control air in applicable configurations | Must be checked for leakage and blockage |
| Intake Filter | Removes particulate matter from incoming air | Helps limit contamination entering the valve and airend |
| Compressor Airend | Performs the compression process | Receives air through the inlet valve |
| Pressure Sensor | Measures operating pressure | Supplies data for compressor control |
| Compressor Controller | Coordinates loading and unloading | Commands the operating state of the inlet valve system |
| Air/Oil Separator | Separates oil from compressed air in applicable systems | Performs a separate downstream function |
Recommended Related Models
| Model / Product | Product Type | Relationship | Selection Consideration |
|---|---|---|---|
| Ingersoll Rand 47572170001 | Inlet Valve Repair Kit | Main product reference | Verify the required kit configuration against the installed compressor |
| Ingersoll Rand 47553880001 | Inlet Valve Repair Kit | Alternate reference supplied for the product | Confirm the part-number relationship and application before installation |
| Ingersoll Rand Inlet Valve Assembly | Compressor Air Intake Valve | Related service assembly | Match the valve design and compressor model |
| Ingersoll Rand Intake Valve Actuator | Valve Actuation Component | Related control component | Check the actuation method and mechanical interface |
| Ingersoll Rand Control Solenoid Valve | Pneumatic or Electrical Control Component | Related valve-control component | Verify the control circuit and specified valve configuration |
| Ingersoll Rand Intake Filter | Compressor Air Filter | Related intake-system component | Select according to the compressor’s parts specification |
Key Advantages
- Supports servicing of the compressor inlet valve assembly.
- Relates directly to incoming-air regulation and loading behavior.
- Allows replacement of specified service components where the main valve remains serviceable.
- Supports troubleshooting of valve leakage, sticking and abnormal movement.
- Provides identifiable part references for maintenance records.
Technical FAQs
What is the purpose of an inlet valve repair kit?
It supplies the specified service components needed to repair a compatible inlet valve assembly. The exact work possible depends on the kit contents and the condition of the valve body and other reusable parts.
Can a faulty inlet valve cause slow compressor pressure buildup?
Yes, if the valve restricts incoming air or fails to move to the required operating position. However, intake-filter restriction, air leakage, control-system faults and other compressor problems can produce similar symptoms.
What should be checked before ordering this kit?
Confirm the compressor model, installed inlet valve configuration and both supplied part references. Also verify the kit contents so that the required seals or other service components are included.
Does replacing the repair-kit components guarantee normal inlet valve operation?
No. Correct operation also depends on the condition of the valve body, actuator, control solenoid and associated pneumatic or electrical connections. These parts should be inspected if the valve continues to malfunction after servicing.