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- Ingersoll Rand
- 47588444001 48958201
- Air Filter
- USA
- 352 × 40 × 161 mm
- 0.35 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Ingersoll Rand 47588444001 48958201 Air Filter is an intake air filtration component used in compatible rotary screw air compressor systems. Its primary function is to capture airborne dust and particulate matter before incoming air reaches the compressor air end, helping protect internal components from contamination.
In an industrial compressed-air installation, the compressor continuously draws air from its surrounding environment. Depending on the plant, this air may contain dust from machining, fibers from packaging operations, or particles generated by routine production activities. Without effective intake filtration, contaminants can enter the compression chamber and contribute to internal wear and oil contamination.
Part number 48958201 is identified as a radial-seal air filter element and is associated with Ingersoll Rand RS30i, RS37i, RS30n, and RS37n compressor models. The element forms part of the intake filtration arrangement and works alongside the compressor’s other maintenance components, including the oil filter and air/oil separator.
The radial-seal arrangement helps direct incoming air through the filter medium while limiting bypass around the element. This sealing function matters because even a relatively small gap between the filter and its housing can allow untreated air to enter the compressor. Correct seating and an undamaged sealing interface are therefore essential during replacement.
As the filter captures airborne particles, contaminants accumulate within the filtration medium. A heavily loaded element can increase intake resistance, affecting the amount of air available to the compressor. Inspection and timely replacement help maintain the intended airflow and reduce the risk of operating with an excessively restricted intake.
The 48958201 Air Filter serves a different purpose from the 49007941 Pre-Filter Pad. Where a compatible intake assembly uses both components, the pre-filter captures a portion of the incoming particulate load before the main filter performs the subsequent filtration stage. Each component has its own maintenance requirements.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Ingersoll Rand |
| Model Reference | 47588444001 |
| Part Number | 48958201 |
| Product Name | Air Filter |
| Product Type | Radial-Seal Air Filter Element |
| Product Category | Rotary Screw Air Compressor Spare Part |
| Primary Function | Removes airborne particulate matter from incoming air |
| Filtration Stage | Compressor intake |
| Filter Configuration | Radial seal |
| Compatible Compressor Models | RS30i, RS37i, RS30n, RS37n |
| Overall Height | 352 mm |
| Dimensions | 352 × 40 × 161 mm |
| Weight | 0.35 kg |
Product Features
- Intake air filtration: Captures airborne particles before they enter the compressor air end.
- Radial-seal construction: Helps limit unfiltered air bypass around the installed element.
- Dedicated replacement reference: Identifies the 48958201 element for service planning and spare-parts inventory.
- RS-Series compatibility: Associated with specified RS30i, RS37i, RS30n, and RS37n compressor models.
- Contamination control: Helps reduce particulate entry into the compressor’s internal air and oil systems.
- Airflow maintenance: Supports the intended intake flow when the element is clean and correctly seated.
- Routine service integration: Can be incorporated into scheduled compressor maintenance.
- Downstream component protection: Helps reduce contamination reaching the air end and associated oil-management components.
- Separate filtration function: Handles incoming air rather than filtering circulating lubricant or separating oil from compressed air.
- Housing interface compatibility: Relies on correct sealing and positioning within the designated filter housing.
Working Principle
The 48958201 Air Filter removes airborne contaminants by passing incoming air through a porous filtration medium. Particles are retained within the medium while filtered air continues toward the compressor intake.
Ambient Air → 48958201 Air Filter → Intake Valve → Rotary Screw Air End
During operation, the compressor draws air through the filter element. Dust and other suspended particles are captured as the airflow passes through the filtration medium, reducing the amount of contamination entering the compression chamber.
The radial-seal interface directs air through the intended filtration path. If the element is incorrectly positioned, the sealing surface is damaged, or the wrong element is fitted, untreated air may bypass the filter medium. This can allow contamination into the compressor even when the visible filter surface appears relatively clean.
As the filter accumulates particles, its airflow resistance can increase. Excessive restriction may affect compressor capacity and operating conditions, particularly when the machine is running under sustained demand. The rate of loading depends on the surrounding air quality and operating environment.
Replacing a loaded element restores the intended filtration path when the housing and sealing surfaces remain serviceable. The intake enclosure should also be checked for residual dust, damage, and incorrect assembly. If restricted airflow continues after replacement, other intake components may need inspection.
Role in an Ingersoll Rand Compressor System
The 48958201 Air Filter occupies the intake filtration stage of compatible RS-Series compressors. It reduces airborne contamination before the air enters the compression process, while separate components manage lubricant filtration and oil separation.
Ambient Air → Air Filter → Intake Valve → Compressor Air End → Oil Separation System → Compressed Air Outlet
| System Component | Function |
|---|---|
| Ingersoll Rand 48958201 Air Filter | Removes airborne particles from incoming air |
| Filter Housing | Holds the element and directs intake airflow |
| Radial-Seal Interface | Helps prevent untreated air from bypassing the filter |
| 49007941 Pre-Filter Pad | Provides preliminary filtration in compatible intake assemblies |
| Intake Valve | Controls air admission into the compressor |
| Rotary Screw Air End | Compresses incoming air |
| 24900433 Oil Filter | Removes particulate contaminants from circulating compressor lubricant |
| 48958235 Air/Oil Separator Element | Separates entrained oil from compressed air |
| Compressor Controller | Coordinates machine operation and monitors available operating signals |
| Filter Maintenance Schedule | Establishes inspection and replacement intervals |
Industrial Applications
| Application | Typical Use |
|---|---|
| Industrial Manufacturing | Filtering intake air for compressors supplying production machinery |
| Automotive Production | Reducing particulate entry into compressed-air systems |
| Metalworking Facilities | Maintaining intake filtration in environments exposed to workshop dust |
| Packaging Plants | Supporting compressor operation in production areas where airborne fibers may be present |
| Process Manufacturing | Maintaining air filtration in industrial utility installations |
| Central Compressor Rooms | Protecting compressor internals from airborne contamination |
| Continuous-Operation Facilities | Including intake filter replacement in planned maintenance |
| Industrial Utility Rooms | Servicing compatible RS-Series compressor intake systems |
| Equipment Maintenance Workshops | Inspecting filter elements and sealing interfaces |
| RS30i and RS37i Installations | Maintaining intake filtration on compatible fixed-speed or variable-speed compressor configurations |
| RS30n and RS37n Installations | Supporting intake air filtration on compatible compressor models |
Installation and Maintenance
- Verify the part number: Identify the required air filter as Ingersoll Rand 48958201 for the installed compressor configuration.
- Isolate the compressor: Stop the machine, disconnect the electrical supply, and follow the site’s lockout and tagout procedure.
- Access the intake housing: Open the filter enclosure according to the compressor maintenance procedure.
- Inspect the used element: Look for heavy dust loading, damaged filter material, deformation, or evidence of poor sealing.
- Remove the old filter: Handle the element carefully to prevent accumulated dust from entering the clean side of the intake housing.
- Clean the housing: Remove loose debris from the filter compartment and its seating surfaces without pushing contamination into the intake passage.
- Inspect the sealing interface: Check the radial-seal contact area for damage, dirt, or obstructions that could interfere with correct installation.
- Install the replacement element: Position the 48958201 filter correctly and ensure that its sealing interface seats evenly.
- Check the assembly: Confirm that the element is correctly positioned and that the housing closes securely.
- Inspect related filtration components: Check the pre-filter pad, where fitted, and assess the condition of the intake assembly.
- Check operation after restart: Observe available filter restriction indications and investigate abnormal intake behavior.
- Record the maintenance: Document the replacement part number, operating hours, condition of the removed element, and any contamination found.
Related Components
| Component | Function |
|---|---|
| Ingersoll Rand 48958201 Air Filter | Filters incoming air before compression |
| Ingersoll Rand 49007941 Pre-Filter Pad | Captures a portion of airborne particles before the main intake filter |
| Filter Housing | Supports the element and directs airflow |
| Radial-Seal Interface | Helps prevent untreated air from bypassing the filter |
| Intake Valve Assembly | Regulates air admission into the compressor |
| Ingersoll Rand 24900433 Oil Filter | Filters contaminants from circulating compressor lubricant |
| Ingersoll Rand 48958235 Air/Oil Separator Element | Separates entrained oil from compressed air |
| Compressor Oil Circuit | Provides lubrication, sealing, and heat transfer in the oil-injected system |
| Compressor Controller | Coordinates operating sequences and monitors available signals |
| Intake Restriction Indicator | Indicates increased intake resistance where fitted |
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| Ingersoll Rand 48958201 | Radial-Seal Air Filter Element | Intake filtration for compatible RS-Series compressors |
| Ingersoll Rand RS30i | Rotary Screw Air Compressor | Industrial compressed-air generation |
| Ingersoll Rand RS37i | Rotary Screw Air Compressor | Industrial compressed-air generation |
| Ingersoll Rand RS30n | Rotary Screw Air Compressor | Industrial compressed-air generation |
| Ingersoll Rand RS37n | Rotary Screw Air Compressor | Industrial compressed-air generation |
| Ingersoll Rand 49007941 | Pre-Filter Pad | Preliminary intake filtration in compatible configurations |
| Ingersoll Rand 24900433 | Oil Filter Element | Filtration of circulating compressor lubricant |
| Ingersoll Rand 48958235 | Air/Oil Separator Element | Oil separation in compatible compressor systems |
Key Advantages
- Captures airborne particles before they reach the compressor air end.
- Helps maintain the intended intake airflow when correctly installed.
- Supports filtration maintenance for compatible RS30 and RS37 compressor models.
- Provides a dedicated replacement reference for service planning.
- Helps reduce contamination entering the compressor’s internal air and oil systems.
Technical FAQs
Which compressor models are associated with the 48958201 Air Filter?
The 48958201 element is listed for Ingersoll Rand RS30i, RS37i, RS30n, and RS37n rotary screw compressors. These models use the element in their intake filtration arrangement.
Why is the radial-seal interface important?
The radial seal helps prevent untreated air from bypassing the filtration medium. Incorrect seating or a damaged sealing surface can allow airborne contaminants into the compressor even when the filter element itself is intact.
What maintenance interval applies to the 48958201 element?
The element is included in maintenance information associated with a 4,000-hour service interval for specified RS-Series configurations. Actual replacement timing depends on the compressor’s applicable maintenance schedule and the amount of contamination in the operating environment.
Can the 48958201 Air Filter replace the 49007941 Pre-Filter Pad?
No. The two components serve different filtration stages. The 48958201 is the main intake air filter element, while the 49007941 is a pre-filter pad used in compatible intake assemblies. One does not automatically replace the other.