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- Ingersoll Rand
- 47555207001 23545841
- Air/Oil Separator
- USA
- 375 mm
- 7.5 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Ingersoll Rand 47555207001 23545841 Air/Oil Separator is a replacement separator element for oil-flooded rotary screw air compressor systems. During compression, lubricant mixes with the air inside the compressor airend. The separator removes most of the entrained oil droplets before compressed air proceeds to the outlet circuit.
In industrial installations running multiple shifts, separator condition affects oil carryover, pressure drop and lubricant consumption. As the element accumulates contamination or its separation performance deteriorates, more oil may pass into the compressed-air line, potentially increasing downstream filter loading and lubricant losses.
The 23545841 part reference identifies the separator element specified for this product. During scheduled maintenance, technicians should verify the compressor model, separator housing arrangement and connection configuration before fitting a replacement. A separator that matches the general shape but differs in its sealing or internal construction may not perform as required.
This component serves the air/oil separation stage inside the compressor. It is distinct from the intake air filter, which removes airborne particles before compression, and the oil filter, which cleans the circulating compressor lubricant.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Ingersoll Rand |
| Model / Part Number | 47555207001 |
| Alternate Part Number | 23545841 |
| Product Type | Air/Oil Separator |
| Product Category | Compressor Air/Oil Separator Element |
| Application | Oil-Flooded Rotary Screw Air Compressors |
| Primary Function | Separates entrained oil from compressed air |
| Installation Position | Compressor air/oil separator housing |
| Diameter | 375 mm |
| Weight | 7.5 kg |
Product Features
- Oil separation: Removes entrained lubricant from the compressed-air stream.
- Compressed-air quality: Helps limit oil carryover into downstream piping and equipment.
- Lubricant recovery: Separated oil can return to the compressor lubrication circuit through the system’s designed recovery arrangement.
- Pressure-drop considerations: Separator condition influences resistance across the separation stage.
- Maintenance identification: The 23545841 reference supports replacement planning and service records.
- System-specific fitment: Correct installation depends on the separator housing, sealing surfaces and internal configuration.
Working Principle
In an oil-flooded rotary screw compressor, lubricant enters the compression process to support sealing, cooling and lubrication. After compression, the air and oil mixture flows into the separation system.
The separator element captures fine oil droplets as the compressed-air mixture passes through its separation media. The collected oil gathers and is returned through the compressor’s oil recovery arrangement, while the separated air continues toward the outlet circuit.
As the separator ages or becomes contaminated, its pressure drop may increase. A damaged element, defective seal or incorrect installation can also allow excessive oil carryover. These conditions may appear as increased oil consumption, oil deposits in downstream equipment or abnormal separator differential pressure where monitoring is available.
Maintenance should therefore consider both separation performance and pressure drop. Replacing the element alone may not resolve persistent oil carryover if the oil return line, seals or other parts of the separation system are obstructed or damaged.
Role in an Oil-Flooded Rotary Screw Compressor System
The air/oil separator sits downstream of the compression stage and separates lubricant from the compressed-air mixture before the air enters the outlet circuit.
Air and Oil Mixture → Separator Housing → Air/Oil Separator Element → Separated Compressed Air → Aftercooler / Outlet Circuit
| System Component | Function | Relationship to the Air/Oil Separator |
|---|---|---|
| 23545841 Air/Oil Separator | Separates entrained oil from compressed air | Performs the main separation function |
| Compressor Airend | Compresses incoming air and introduces lubricant in oil-flooded systems | Supplies the air/oil mixture |
| Separator Housing | Contains and directs the mixture through the separation stage | Supports the separator element and its seals |
| Oil Recovery Line | Returns collected oil where the system uses this arrangement | Carries separated lubricant back into the circuit |
| Minimum Pressure Valve | Maintains required internal pressure where fitted | Supports correct compressor operation |
| Oil Filter | Removes contaminants from circulating lubricant | Protects the lubrication circuit |
| Aftercooler | Reduces compressed-air temperature | Conditions air after the separation stage |
| Downstream Air Filter | Removes specified residual contaminants where fitted | Provides additional treatment after separation |
| Compressor Controller | Monitors and manages operating conditions | May display separator-related alarms when supported |
The precise arrangement depends on the compressor model and its oil separation design.
Industrial Applications
| Application | Typical Equipment | Role of the Air/Oil Separator |
|---|---|---|
| Manufacturing Plants | Oil-flooded rotary screw compressors | Limits lubricant carryover into plant compressed-air systems |
| Automotive Production | Factory compressed-air stations | Supports separation performance in production air supplies |
| Metalworking Facilities | Industrial screw compressors | Helps control oil carryover in workshop air systems |
| Packaging Machinery | Centralized compressed-air equipment | Supports air quality before downstream treatment |
| General Industrial Utilities | Plant compressed-air networks | Maintains the separation stage during routine servicing |
| Process Manufacturing | Oil-flooded compressor installations | Helps reduce lubricant entering downstream piping and equipment |
| Industrial Workshops | Continuous-duty compressor systems | Supports lubricant recovery and compressed-air separation |
Installation and Maintenance
- Verify the part reference: Confirm that 47555207001 and 23545841 match the required separator element identification.
- Identify the compressor configuration: Check the installed compressor model and separator housing arrangement before beginning work.
- Shut down and isolate the compressor: Follow the equipment’s safety procedures and allow internal pressure to be released before opening the separator housing.
- Inspect the separator housing: Check for accumulated deposits, damage and contamination that could affect the new element.
- Examine the sealing surfaces: Clean the mating areas and inspect them for scratches, deformation or residue that could compromise the seal.
- Check the oil recovery arrangement: Where fitted, inspect the recovery line and associated components for blockage or damage.
- Compare the replacement element: Confirm the part reference and fitting arrangement before installation.
- Install the separator carefully: Position the element correctly and avoid damaging the separation media or sealing surfaces.
- Fit the seals correctly: Ensure the required seals are correctly seated and are not twisted, pinched or contaminated.
- Reassemble the housing: Secure the cover and fasteners according to the compressor’s specified service procedure.
- Check operation after servicing: Once the compressor has been returned to service, inspect for leaks and review any available separator differential-pressure or oil-carryover indications.
- Record the replacement: Document the part reference, service date and any abnormal conditions observed during maintenance.
Related Components
| Component | Function | Relationship to the Air/Oil Separator |
|---|---|---|
| Separator Housing | Contains the separator element | Provides the installation and sealing interface |
| Separator Seals | Seal the element and housing interfaces | Help prevent air/oil mixture from bypassing the separation media |
| Oil Recovery Line | Returns collected oil where fitted | Supports lubricant recovery |
| Compressor Airend | Performs the compression process | Supplies the air/oil mixture to the separation stage |
| Oil Filter | Cleans circulating compressor lubricant | Protects the lubrication circuit |
| Minimum Pressure Valve | Maintains required internal pressure where fitted | Supports the intended compressor operating conditions |
| Aftercooler | Reduces compressed-air temperature | Conditions air downstream of separation |
| Downstream Air Filter | Provides additional filtration where required | Helps meet downstream air-treatment requirements |
Recommended Related Models
| Model / Product | Product Type | Relationship | Selection Consideration |
|---|---|---|---|
| Ingersoll Rand 23545841 | Air/Oil Separator | Alternate part reference for the requested element | Match the part number to the installed compressor |
| Ingersoll Rand 47555207001 | Air/Oil Separator | Requested product reference | Verify the required separator configuration |
| Ingersoll Rand Air/Oil Separator Element | Separator Element | Same component category | Select according to the compressor model and separator housing |
| Ingersoll Rand Oil Filter | Oil Filter | Related compressor maintenance component | Select separately for the lubrication circuit |
| Ingersoll Rand Air Filter Element | Air Filter | Related intake filtration component | Match to the compressor’s incoming-air filtration system |
Key Advantages
- Separates entrained lubricant from compressed air.
- Supports reduced oil carryover into downstream equipment.
- Helps maintain lubricant recovery within the compressor system.
- Supports monitoring of separator condition through available operating indicators.
- Provides a specific part reference for maintenance planning.
Technical FAQs
What symptoms can indicate that an air/oil separator is deteriorating?
Common signs include increased oil carryover, rising separator differential pressure where monitored, increased lubricant consumption and oil deposits in downstream equipment. These symptoms can also have other causes, so the complete separation and oil recovery system should be assessed.
Why is separator differential pressure important?
Differential pressure indicates the resistance to airflow across the separator element. A rising value may indicate loading or restriction, while an unusually low value accompanied by oil carryover may warrant checking for element damage, seal failure or bypass leakage.
What can cause excessive oil carryover after a separator replacement?
Possible causes include incorrect element fitment, damaged or poorly seated seals, a blocked oil recovery line, or an underlying problem elsewhere in the separation system. Confirming correct installation is an important first check.
Why should the oil recovery line be inspected during separator maintenance?
The recovery line returns collected oil to the intended circuit in systems that use this arrangement. If it becomes obstructed, separated oil may accumulate in the housing and increase the amount carried into the compressed-air outlet.