ProductPRODUCT
Featured products
Contact Us
- Ingersoll Rand
- 47572166001 47553880001
- Inlet Valve Repair Kit
- USA
- 250 × 180 × 120 mm
- 2.0 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
- COO
- 5
Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| [email protected] | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |
Product Overview
The Ingersoll Rand 47572166001 47553880001 Inlet Valve Repair Kit is a maintenance component associated with the inlet valve system of industrial air compressors. The inlet valve regulates how much air enters the compression stage, allowing the compressor to respond to changing air demand and switch between loading and reduced-capacity operating conditions.
In an oil-injected rotary screw compressor, the inlet valve sits upstream of the air end. When compressed air demand increases, the valve opens to admit air into the screw element. When demand falls or the compressor enters an unloading cycle, the valve changes position according to the machine’s control arrangement. Its movement affects air intake, compressor capacity, and the transition between operating states.
The condition of the inlet valve becomes particularly noticeable when a compressor struggles to build pressure, responds slowly to a load command, or continues drawing air when unloading should occur. Worn sealing components, a sticking mechanism, damaged internal parts, or problems with the valve’s pneumatic control circuit can interfere with normal operation. These symptoms require diagnosis because they can also originate from control signals, solenoid valves, actuator pressure, or other parts of the compressor.
The 47553880001 repair kit is identified by its inlet valve service designation. A repair kit is intended for servicing the applicable valve assembly rather than automatically replacing the complete inlet valve. Its suitability depends on the installed valve design and the components included in the specified kit. The compressor’s parts configuration should therefore be checked before maintenance begins.
Consider a manufacturing facility where several pneumatic production lines share a central compressor. If one compressor fails to unload correctly, it may continue operating under conditions that do not match the plant’s immediate air demand. If the inlet valve sticks closed or cannot open sufficiently, the machine may also struggle to supply the required airflow. Inspecting the inlet valve and its control mechanism helps determine whether internal valve wear is responsible.
For maintenance teams, the objective is not simply to replace worn parts. The valve must return to the correct operating movement, seal where required, and respond properly to the compressor’s loading and unloading commands. A repair should therefore include checks of the valve mechanism, actuator, control air supply, and associated connections.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Ingersoll Rand |
| Model Reference | 47572166001 |
| Part Number | 47553880001 |
| Product Type | Inlet Valve Repair Kit |
| Product Category | Industrial Air Compressor Spare Part |
| Primary Function | Servicing the applicable compressor inlet valve assembly |
| Main System | Compressor air intake and capacity control |
| Installation Area | Inlet side of the compressor air end |
| Operating Function | Regulates air admission into the compression stage |
| Control Relationship | Associated with compressor loading and unloading operation |
| Repair Purpose | Maintenance of serviceable inlet valve components |
| Typical Fault Areas | Internal wear, sticking, sealing problems, or mechanical deterioration |
| Compatibility Requirement | Must match the installed valve and compressor configuration |
| Dimensions | 250 × 180 × 120 mm |
| Weight | 2.0 kg |
Product Features
- Inlet valve servicing: Supports maintenance of the applicable valve mechanism that controls incoming air.
- Capacity control support: Helps restore correct valve movement when worn or damaged internal components affect airflow regulation.
- Loading and unloading response: Addresses valve-related faults that may interfere with changes in compressor operating state.
- Internal component repair: Allows serviceable parts to be replaced without automatically changing the entire valve assembly.
- Air intake regulation: Supports the controlled admission of air into the rotary screw compression stage.
- Sealing function maintenance: Helps address leakage when inspection identifies worn or damaged sealing components included in the kit.
- Mechanical movement restoration: Relevant when the valve mechanism sticks or fails to travel correctly because of internal wear or contamination.
- Maintenance identification: The 47553880001 part number provides a specific reference for service records and replacement planning.
- Compressor troubleshooting support: Helps technicians address inlet valve faults after checking the associated actuator and control circuit.
- Configuration-specific application: Requires confirmation of the valve design and kit contents before installation.
Working Principle
The inlet valve controls the amount of air entering the compressor’s air end. Its position changes in response to the compressor’s operating requirements and, depending on the design, may be controlled through a pneumatic actuator, a solenoid-operated pilot circuit, or another control arrangement.
Air Intake Filter → Inlet Valve → Rotary Screw Air End → Oil Separation System → Aftercooler → Plant Air Network
When the compressor needs to produce compressed air, the inlet valve opens to admit incoming air. The screw elements then compress the air while lubricating oil performs its associated sealing, lubrication, and cooling functions. The resulting air-oil mixture passes into the separation system before the compressed air continues through the downstream equipment.
When air demand falls, the controller may command the compressor to unload. The inlet valve then moves toward its designated unloading position, reducing or stopping the air entering the compression stage according to the machine’s operating design. The compressor may also use additional unloading or blowdown components to manage internal pressure during this transition.
The inlet valve must move freely and respond correctly to the control mechanism. If internal parts become worn, contaminated, or damaged, the valve may remain partially open, fail to open fully, or respond inconsistently. A valve that does not close as intended may allow unwanted air intake during unloading, while restricted opening can limit the compressor’s ability to build pressure.
The 47553880001 repair kit is relevant when the fault has been traced to serviceable components in the compatible inlet valve assembly. The exact internal components and repair procedure should be established from the applicable parts documentation rather than assumed from the kit name alone.
Before replacing the kit, technicians should also check the control air supply, actuator movement, solenoid operation where fitted, and controller commands. These checks help distinguish a mechanical valve problem from a fault that prevents an otherwise serviceable valve from moving correctly.
Role in an Ingersoll Rand Compressor Control System
The inlet valve is the mechanical interface between incoming air and the compressor’s capacity control process. It responds to operating commands and determines how air enters the compression stage. Its condition can affect pressure buildup, unloading behavior, and the compressor’s ability to respond to changes in plant demand.
Air Intake Filter → Inlet Valve Assembly → Rotary Screw Air End → Oil Separator → Aftercooler → Compressed Air Network
Compressor Controller → Control Signal or Pilot Circuit → Inlet Valve Actuation → Air Intake Regulation
| System Component | Function |
|---|---|
| 47553880001 Inlet Valve Repair Kit | Services the applicable inlet valve mechanism |
| Inlet Valve Assembly | Regulates incoming air to the compressor air end |
| Air Intake Filter | Removes airborne particles from incoming air |
| Rotary Screw Air End | Compresses air admitted through the inlet system |
| Valve Actuator | Moves the inlet valve in response to the applicable control arrangement |
| Solenoid Valve, Where Fitted | Controls pilot air or another actuation function |
| Control Air Circuit | Supplies the pressure or control path needed for valve movement |
| Compressor Controller | Coordinates loading, unloading, and operating commands |
| Oil Separator Element | Separates entrained oil from compressed air |
| Minimum Pressure Valve | Helps maintain the required pressure conditions within the separation system |
| Aftercooler | Reduces compressed air temperature before downstream delivery |
| Pressure Sensors | Provide operating feedback for compressor control and monitoring |
A valve repair can restore the mechanical side of the system, but correct operation also depends on the actuator, control circuit, and controller. If the valve still responds incorrectly after servicing, these related elements should be checked before further replacement work.
Industrial Applications
| Application | Typical Use |
|---|---|
| Automotive Manufacturing | Maintaining inlet valve operation in compressors supplying assembly lines and pneumatic tools |
| Metalworking Plants | Servicing compressor intake controls in facilities using pneumatic machinery |
| Packaging Lines | Supporting correct compressor loading and unloading during changing production demand |
| General Manufacturing | Maintaining air intake regulation in central compressed air installations |
| Plastics Processing | Supporting compressor capacity control for pneumatic production equipment |
| Textile Manufacturing | Maintaining inlet valve operation in compressors supplying continuous production processes |
| Industrial Assembly | Addressing valve faults that affect compressed air availability for air-powered tools |
| Material Handling | Supporting compressors used in pneumatic conveying and handling systems |
| Central Compressor Rooms | Servicing inlet valve assemblies in systems supplying several production areas |
| Continuous-Duty Operations | Maintaining valve response in compressors operating over extended production shifts |
The repair kit is relevant to these maintenance situations only when the installed compressor uses the corresponding valve configuration. Similar symptoms across different compressor models do not establish that they share the same repair kit.
Installation and Maintenance
- Verify the part reference: Confirm 47572166001 and 47553880001 against the compressor’s parts documentation and the installed inlet valve configuration.
- Isolate the compressor: Stop the machine, disconnect the required electrical supply, and apply the site’s lockout and tagout procedure before starting work.
- Release stored pressure: Depressurize the relevant air and control circuits according to the equipment’s service procedure before disconnecting any components.
- Record the original arrangement: Document the valve orientation, actuator connections, control lines, and internal component positions before disassembly.
- Inspect the valve assembly: Check the valve body, moving mechanism, seating surfaces, and connection points for wear, contamination, corrosion, or mechanical damage.
- Examine the removed parts: Identify damaged seals, worn moving components, sticking surfaces, or other visible conditions that may explain the original operating fault.
- Check the kit contents: Compare the supplied components with the applicable parts list and confirm that they correspond to the installed valve design.
- Clean the service area: Remove dirt and deposits using suitable methods while preventing foreign material from entering the compressor intake or control passages.
- Install the replacement components: Follow the applicable repair procedure for component orientation, seal placement, lubrication requirements, and specified tightening instructions.
- Check actuator and control operation: Inspect the actuator, control air supply, solenoid circuit where fitted, and associated connections before returning the compressor to service.
- Verify operating response: After reassembly and an approved restart, check that the inlet valve responds correctly during loading and unloading and that no abnormal leakage or movement occurs.
- Record the maintenance results: Document the installed kit reference, identified fault, replaced components, and post-maintenance operating observations for future troubleshooting.
If the compressor continues to build pressure slowly or unload incorrectly after the repair, investigate the control signal, actuator, pilot air supply, intake filter restriction, and other relevant operating conditions. Replacing additional valve components without isolating the cause may not resolve the problem.
Related Components
| Component | Function |
|---|---|
| Ingersoll Rand 47553880001 | Inlet valve repair kit for the applicable compressor configuration |
| Inlet Valve Assembly | Controls the admission of air into the compression stage |
| Air Intake Filter | Removes airborne contaminants before air enters the compressor |
| Valve Actuator | Produces the movement required to change the inlet valve position |
| Solenoid Valve, Where Fitted | Controls the relevant pneumatic or pilot circuit |
| Control Air Tubing | Carries control pressure to the valve actuator where applicable |
| Compressor Controller | Issues operating commands for loading and unloading |
| Pressure Sensors | Supply pressure feedback for monitoring and control |
| Oil Separator Element | Separates oil from the compressed air stream |
| Minimum Pressure Valve | Regulates discharge flow and helps maintain internal compressor pressure |
Recommended Related Models
| Model / Product Reference | Product Type | Typical Application |
|---|---|---|
| Ingersoll Rand 47553880001 | Inlet Valve Repair Kit | Servicing the corresponding inlet valve configuration |
| Ingersoll Rand 47593365001 | Inlet Valve Repair Kit | Related inlet valve service reference; compatibility requires verification |
| Ingersoll Rand 47637203001 | Inlet Valve Service Kit | Inlet valve maintenance in the specified equipment configuration |
| Ingersoll Rand 47740156001 | Inlet Valve Kit | Inlet valve replacement or service where specified |
| Ingersoll Rand 47794193005 | Inlet Valve Repair Kit | Alternative inlet valve maintenance reference requiring fitment verification |
| Ingersoll Rand Inlet Valve Assembly | Compressor Intake Control Component | Regulates air admission into the compression stage |
| Ingersoll Rand Air Intake Filter | Compressor Air Filtration Component | Filters incoming air before it reaches the inlet valve |
| Ingersoll Rand Valve Actuator | Pneumatic or Mechanical Actuation Component | Moves the inlet valve according to the applicable control arrangement |
Key Advantages
- Supports repair of the applicable compressor inlet valve mechanism.
- Helps restore air intake regulation when internal component wear is responsible.
- Addresses valve-related loading and unloading problems.
- Allows servicing of compatible valve assemblies without automatically replacing the complete unit.
- Supports systematic troubleshooting of compressor intake and capacity control faults.
- Provides a defined part number for maintenance identification and service records.
Technical FAQs
How can a faulty inlet valve affect compressor loading and unloading?
A faulty inlet valve may fail to open sufficiently during loading or remain partially open when the compressor should unload. This can affect pressure buildup, air delivery, and unloaded operation. The actuator and control circuit should also be checked because a valve may remain in the wrong position when its control mechanism fails.
What should be checked if the compressor builds pressure slowly after an inlet valve repair?
Inspect the inlet filter for restriction, verify full valve movement, and check the actuator and control air supply where applicable. Pressure buildup can also be affected by internal leakage, air demand, and other compressor faults, so the inlet valve should not be assumed to be the only possible cause.
Does the 47553880001 repair kit include a complete inlet valve?
The product designation identifies it as an inlet valve repair kit, not a complete valve assembly. The exact contents must be confirmed against the applicable parts list. If the valve body or other non-serviceable surfaces are damaged, the repair kit alone may not be sufficient.
Can the same inlet valve repair kit be used across different Ingersoll Rand compressor models?
Not necessarily. Inlet valve assemblies can differ in their mechanical arrangement, actuation method, sealing components, and control requirements. Compatibility should be established by matching the full compressor identification and installed valve configuration to the specified kit reference.