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- Ingersoll Rand
- 47627051001 22067177
- Inlet Valve Repair Kit
- USA
- 100 × 15 × 80 mm
- 0.16 kg
- Xiamen, China
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Product Overview
The Ingersoll Rand 47627051001 22067177 Inlet Valve Repair Kit is a service kit for the inlet valve assembly used in compatible rotary screw air compressors. The inlet valve controls the entry of ambient air into the compression stage and participates in the compressor’s loading and unloading process. When its internal mechanism no longer moves or seals correctly, the compressor may struggle to build pressure, respond slowly to operating commands, or unload improperly.
In an oil-injected rotary screw compressor, the inlet valve is located upstream of the air end. During loading, it opens to admit air into the screw element. When the compressor needs to reduce or stop air production, the valve changes position according to the machine’s control sequence. The valve’s movement must correspond with the control system’s commands for the compressor to operate as intended.
The 22067177 repair kit is associated with the inlet valve unloader mechanism used in selected Ingersoll Rand UP6 compressor configurations, including certain UP6-20, UP6-25, and UP6-30 machines. The kit is intended for servicing the compatible valve assembly rather than automatically replacing the complete valve. Its actual contents and fitment should be confirmed against the installed configuration before maintenance begins.
A typical maintenance situation occurs when a compressor takes longer than usual to reach the required discharge pressure. If the inlet valve sticks or its internal sealing components deteriorate, the amount of air entering the compression stage may not match the controller’s demand. In other cases, the valve may fail to close as expected during unloading, leaving the machine operating differently from its intended sequence.
These symptoms do not automatically establish an inlet valve fault. A restricted intake filter, insufficient actuator pressure, a malfunctioning solenoid valve, or an incorrect control signal can produce similar behavior. A proper diagnosis should establish whether the problem lies inside the valve assembly or in the mechanism responsible for moving it.
For maintenance engineers, the practical purpose of the 22067177 kit is to address serviceable components within the applicable inlet valve assembly. Correct repair involves more than fitting replacement parts: the valve must move freely, seal at the required positions, and respond correctly when the compressor changes between loaded and unloaded operation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Ingersoll Rand |
| Model Reference | 47627051001 |
| Part Number | 22067177 |
| Product Type | Inlet Valve Repair Kit |
| Product Category | Rotary Screw Air Compressor Spare Part |
| Primary Function | Servicing the compatible compressor inlet valve assembly |
| Main System | Compressor air intake and capacity control |
| Installation Area | Inlet valve assembly upstream of the compressor air end |
| Operating Function | Regulates incoming air during compressor operation |
| Control Application | Loading and unloading operation |
| Maintenance Purpose | Repair of serviceable inlet valve components |
| Typical Fault Areas | Sticking movement, internal wear, or sealing deterioration |
| Associated Equipment | Selected Ingersoll Rand UP6 compressor configurations |
| Compatibility Requirement | Confirm the compressor model and installed valve assembly |
| Dimensions | 100 × 15 × 80 mm |
| Weight | 0.16 kg |
Product Features
- Inlet valve maintenance: Supports servicing of the valve mechanism that regulates air admission into the compressor.
- Unloader mechanism service: Addresses serviceable components involved in the valve’s movement during changes in operating state.
- Loading response: Helps restore correct air intake when internal valve wear interferes with opening movement.
- Unloading control support: Addresses valve-related faults that prevent the intake mechanism from reaching its intended unloading position.
- Internal sealing maintenance: Allows replacement of applicable sealing components included in the specified kit.
- Mechanical movement restoration: Relevant when internal wear or contamination causes the valve to stick or move inconsistently.
- Air intake regulation: Supports the controlled flow of ambient air into the rotary screw air end.
- Maintenance identification: The 22067177 part number provides a specific reference for service planning and component identification.
- Configuration-specific application: Requires confirmation of the installed valve design before replacement.
- Targeted repair: Supports servicing the valve mechanism without automatically replacing the complete valve assembly.
Working Principle
The inlet valve regulates how much air enters the compressor’s screw element. Its position is controlled by the compressor’s loading and unloading arrangement, which may use an actuator and pneumatic or solenoid-operated control circuit depending on the machine configuration.
Ambient Air → Intake Filter → Inlet Valve → Rotary Screw Air End → Oil Separation System → Compressed Air Outlet
When compressed air is required, the controller commands the compressor to load. The inlet valve moves toward its open position, allowing ambient air to enter the compression chamber. The rotating screw elements compress this air, and the resulting air-oil mixture proceeds through the separation system.
When demand falls, the controller may initiate unloading. The inlet valve moves toward its designated unloaded position, reducing the air entering the air end. Other components in the unloading arrangement may also manage internal pressure during this transition. The exact sequence depends on the compressor’s control design.
The inlet valve must respond consistently to these commands. If an internal component sticks, a spring loses its intended behavior, or a sealing surface deteriorates, the valve may not achieve the required position. The compressor can then experience delayed pressure buildup, incomplete unloading, or irregular operating behavior.
The 22067177 repair kit is used when inspection identifies a fault in the serviceable components of the compatible inlet valve assembly. The precise contents should be verified before disassembly, and the condition of the valve body should be assessed to determine whether a kit repair is sufficient.
If the valve does not move correctly after servicing, the investigation should extend to the actuator, pilot air supply, solenoid valve where fitted, and controller output. A mechanically sound valve cannot operate correctly if its control circuit fails to deliver the required movement.
Role in an Ingersoll Rand Compressor Control System
The inlet valve connects the compressor’s air intake path with its capacity control function. Its position determines whether the air end receives incoming air for compression or operates in the designated unloaded condition.
Intake Filter → Inlet Valve Assembly → Screw Air End → Oil Separator → Aftercooler → Plant Air Network
The control sequence operates alongside this airflow path. The compressor controller evaluates operating requirements and issues the commands that govern loading and unloading. The actuator and associated control circuit translate those commands into movement of the inlet valve.
| System Component | Function |
|---|---|
| 22067177 Inlet Valve Repair Kit | Services the compatible inlet valve mechanism |
| Inlet Valve Assembly | Controls incoming air to the compression stage |
| Intake Air Filter | Removes airborne contaminants from incoming air |
| Valve Actuator | Moves the inlet valve in response to the applicable control arrangement |
| Solenoid Valve, Where Fitted | Controls the relevant pilot or pneumatic circuit |
| Control Air Supply | Provides actuation pressure where the valve uses pneumatic control |
| Compressor Controller | Coordinates loading, unloading, and operating commands |
| Rotary Screw Air End | Compresses the incoming air |
| Oil Separator Element | Separates entrained oil from compressed air |
| Minimum Pressure Valve | Maintains the required internal pressure conditions and controls downstream flow |
| Aftercooler | Reduces compressed air temperature before delivery |
| Pressure Sensors | Provide operating feedback for monitoring and control |
The repair kit addresses the valve mechanism, not every component involved in capacity control. Correct operation after maintenance depends on the condition of the valve, the actuator, and the associated control circuit.
Industrial Applications
| Application | Typical Use |
|---|---|
| Automotive Manufacturing | Maintaining inlet valve operation in compressors supplying assembly lines and pneumatic tools |
| Metalworking Facilities | Servicing intake control mechanisms in compressors supporting machine tools and production equipment |
| Packaging Plants | Maintaining loading and unloading response as compressed air demand changes |
| General Manufacturing | Supporting routine maintenance of central compressed air installations |
| Plastics Processing | Addressing valve faults in compressors supplying pneumatic production machinery |
| Textile Manufacturing | Maintaining compressor intake control in facilities with continuous pneumatic demand |
| Industrial Assembly | Servicing inlet valve mechanisms in compressors used with air-powered tools |
| Material Handling | Supporting compressor capacity control in pneumatic conveying installations |
| Central Compressor Rooms | Maintaining inlet valve operation in shared compressed air systems |
| Continuous-Production Facilities | Addressing valve wear that affects compressor response during extended operating shifts |
The kit is suitable for these maintenance situations only where the installed compressor uses the corresponding inlet valve configuration. Compressor horsepower or series designation alone is not sufficient to establish part compatibility.
Installation and Maintenance
- Verify the part reference: Confirm 47627051001 and 22067177 against the compressor’s parts documentation and the installed inlet valve configuration.
- Isolate the equipment: Stop the compressor, disconnect the required electrical supply, and follow the site’s lockout and tagout procedure.
- Release stored pressure: Depressurize the relevant compressor and control circuits according to the approved service procedure before opening the valve assembly.
- Allow the equipment to cool: Wait until the compressor and nearby components reach a safe temperature for maintenance.
- Record the original arrangement: Note the valve orientation, actuator connections, control lines, and internal component positions before disassembly.
- Inspect the valve body: Check the bore, seating surfaces, moving parts, and mounting interfaces for contamination, scoring, or damage.
- Verify the kit contents: Compare the supplied components with the specified parts list before removing the original parts.
- Examine worn components: Look for damaged seals, deformed springs, worn guides, or other signs of deterioration in the serviceable parts.
- Clean the assembly carefully: Remove contamination without allowing dirt or cleaning residue to enter the compressor intake or control passages.
- Install the replacement parts: Follow the applicable repair procedure for component orientation, seal placement, lubrication requirements, and tightening specifications.
- Test valve response: After reassembly and an approved restart, verify the loading and unloading sequence, pressure buildup, and absence of abnormal leakage.
- Record the maintenance results: Document the installed kit reference, identified fault, replaced components, and post-maintenance operating observations.
If the compressor continues to exhibit slow pressure buildup or incomplete unloading, inspect the actuator, control air supply, solenoid circuit where fitted, and intake filter before concluding that the valve repair has failed.
Related Components
| Component | Function |
|---|---|
| Ingersoll Rand 22067177 | Inlet valve repair kit for compatible compressor configurations |
| Inlet Valve Assembly | Regulates the admission of air into the compression stage |
| Intake Air Filter | Removes airborne contaminants before air reaches the inlet valve |
| Valve Actuator | Provides the movement needed to change inlet valve position |
| Solenoid Valve, Where Fitted | Controls the relevant pneumatic or pilot circuit |
| Control Air Tubing | Carries actuation pressure where applicable |
| Compressor Controller | Issues loading and unloading commands |
| Pressure Sensors | Supply pressure feedback for monitoring and control |
| Oil Separator Element | Separates oil from the compressed air stream |
| Minimum Pressure Valve | Regulates pressure and downstream flow at the separator outlet |
Recommended Related Models
| Model / Product Reference | Product Type | Typical Application |
|---|---|---|
| Ingersoll Rand 22067177 | Inlet Valve Repair Kit | Servicing the corresponding inlet valve assembly |
| Ingersoll Rand 47690673001 | Inlet Valve Unloader Repair Kit | Related repair-kit reference; confirm exact kit equivalence for the installed configuration |
| Ingersoll Rand UP6-20 | Rotary Screw Air Compressor | Inlet valve maintenance where the parts configuration specifies the kit |
| Ingersoll Rand UP6-25 | Rotary Screw Air Compressor | Compressor intake control maintenance in compatible configurations |
| Ingersoll Rand UP6-30 | Rotary Screw Air Compressor | Inlet valve service subject to parts-list verification |
| Ingersoll Rand UP6S-20 | Rotary Screw Air Compressor | Intake valve maintenance where the installed assembly matches |
| Ingersoll Rand UP6S-25 | Rotary Screw Air Compressor | Inlet valve service requiring configuration verification |
| Ingersoll Rand UP6S-30 | Rotary Screw Air Compressor | Compressor intake maintenance where the specified kit is applicable |
| Ingersoll Rand Intake Air Filter | Compressor Filtration Component | Filtering incoming air before it reaches the inlet valve |
| Ingersoll Rand Inlet Valve Assembly | Compressor Intake Control Component | Regulating air admission during loading and unloading |
Key Advantages
- Supports targeted maintenance of the inlet valve mechanism.
- Helps restore correct air intake when serviceable internal components are worn.
- Addresses valve-related loading and unloading problems.
- Supports consistent valve movement and sealing after a correct repair.
- Helps maintenance teams distinguish mechanical valve faults from control circuit problems.
- Provides a defined part number for maintenance identification and service records.
Technical FAQs
What is the difference between an inlet valve repair kit and a complete inlet valve assembly?
A repair kit contains specified service components for the applicable valve mechanism, whereas a complete assembly replaces the valve as a unit. The exact contents of 22067177 should be confirmed against its parts list. If the valve body or critical seating surfaces are damaged, servicing the internal components may not be sufficient.
Why might a compressor fail to unload after the inlet valve has been serviced?
The valve may still be sticking, or its actuator may not be receiving the required control pressure or signal. A faulty solenoid valve, blocked control passage, or incorrect controller command can also prevent unloading. The mechanical valve and its control circuit should be tested separately.
Which compressor configurations are associated with the 22067177 repair kit?
The kit is associated with selected Ingersoll Rand UP6-20, UP6-25, and UP6-30 configurations, as well as certain related UP6S versions. Because valve designs and parts configurations can vary, confirm the full compressor identification and installed valve reference before selecting the kit.
What should be inspected if a new repair kit does not restore normal pressure buildup?
Check that the inlet valve moves through its intended range and that the actuator and control circuit operate correctly. Also inspect the intake filter for restriction and investigate other causes of reduced capacity, such as internal leakage or faults elsewhere in the compressor. The original symptom should be reassessed rather than assuming another valve kit is required.