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- Ingersoll Rand
- 47556185001 23429822
- Air Filter
- USA
- 267 mm
- 3.6 kg
- Xiamen, China
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Product Overview
The Ingersoll Rand 47556185001 23429822 Air Filter is identified as an air filtration component for industrial compressor equipment. Its primary function is to remove airborne dust and particulate matter from incoming air before contaminants can reach the compressor’s internal working components. Intake air quality directly affects the condition of the compression system, particularly in facilities where compressors operate for long shifts or draw air from environments containing suspended dust.
In an industrial rotary screw compressor, the intake filter sits upstream of the airend. As the compressor draws ambient air into the machine, the filter media captures particles that could otherwise enter the compression chamber. Without effective intake filtration, abrasive contaminants may contribute to wear on internal surfaces and increase the amount of contamination circulating through the equipment.
The filter also affects the compressor’s intake resistance. As dust accumulates in the media, the pressure drop across the element can increase. A heavily loaded filter may restrict the available intake airflow and affect compressor performance, particularly during periods of high demand. For maintenance teams, monitoring filter condition is therefore part of managing both contamination and airflow.
When selecting a replacement for an existing compressor, the complete part number and equipment configuration should be checked together. The 47556185001 and 23429822 identifiers should be verified against the applicable parts documentation because compressor filtration components can differ in their mounting arrangements, filtration characteristics, and intended installation positions. A filter that appears similar externally is not necessarily suitable for the same housing.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Ingersoll Rand |
| Model / Part Number | 47556185001 |
| Associated Part Number | 23429822 |
| Product Type | Air Filter |
| Component Category | Compressor Intake Air Filtration |
| Primary Function | Removes airborne particulate contaminants from intake air |
| Application | Compatible Ingersoll Rand compressor equipment |
| Filter Configuration | Air filter element; verify the exact assembly configuration |
| Filtration Media | Not specified |
| Filtration Rating | Not specified |
| Replacement Interval | According to the applicable compressor maintenance schedule and operating conditions |
| Outer Diameter | 267 mm |
| Weight | 3.6 kg |
Product Features
- Intake air filtration: Captures airborne particles before they enter the compressor’s air intake path.
- Airend protection: Helps limit the entry of abrasive contaminants that may contribute to internal component wear.
- Airflow management: Supports the intended intake airflow when the filter remains within its service limits.
- Dust-loading control: Allows contamination buildup to be managed through scheduled inspections and condition-based replacement.
- Part-number identification: Supports replacement planning when the filter is matched to the correct compressor configuration.
- Service accessibility: Allows the intake filtration element to be inspected as part of routine compressor maintenance.
Working Principle
The air filter operates through mechanical filtration. As the compressor draws ambient air through the intake assembly, the air passes through the filter media. Suspended particles are retained by the media, while the filtered air continues toward the compressor’s intake mechanism.
A typical intake path follows this sequence:
Ambient Air → Intake Filter → Compressor Inlet → Airend → Downstream Air and Coolant Separation System
The filtration process begins whenever the compressor draws air into the system. Larger particles may be trapped near the surface of the media, while smaller particles can be captured within the media structure. Actual particle retention depends on the filter construction and its specified filtration performance.
During operation, the collected dust gradually occupies available filtration space. This increases airflow resistance and may cause the intake pressure drop to rise. In a compressor operating at a high duty cycle, the effect can become more noticeable because the filter processes a large volume of air over relatively short periods.
Replacing the filter at the appropriate interval helps restore the intended intake conditions. However, repeated premature blockage should not automatically be treated as a filter-quality problem. Excessive airborne dust, a damaged intake enclosure, air bypass around the filter, or an unsuitable filter specification may also contribute to abnormal loading.
The air filter performs a different task from the coolant filter and oil separator. It treats incoming air rather than circulating compressor fluid or separating oil from compressed air. Keeping these functions distinct is essential when selecting parts for maintenance.
Role in the Compressor Intake System
The air filter is positioned at the beginning of the compressor’s air-handling process. Its condition influences the cleanliness of incoming air and the resistance encountered as air enters the machine.
Ambient Air → Air Filter → Intake Assembly → Compression Chamber → Air and Coolant Separation
| System Component | Function |
|---|---|
| 23429822 Air Filter | Captures airborne contaminants from the intake airflow |
| Filter Housing | Holds the filter element in the specified position |
| Intake Duct or Inlet Passage | Directs ambient air toward the compressor |
| Intake Valve, Where Fitted | Controls air admission according to the compressor design |
| Compressor Airend | Compresses the incoming air |
| Coolant Injection System, Where Fitted | Supports lubrication, sealing, and heat removal in oil-injected compressors |
| Oil Separator | Separates coolant from compressed air in applicable compressor designs |
| Intake Restriction Indicator, Where Fitted | Indicates excessive resistance across the intake filter |
| Compressor Controller | Monitors operating conditions and displays supported alarms |
Industrial Applications
| Application | Typical Use |
|---|---|
| Rotary Screw Compressors | Filtering incoming air before it reaches the compression element |
| Manufacturing Plants | Protecting compressor intake systems in production utility rooms |
| Automotive Production | Supporting compressed-air equipment used by pneumatic tools and production machinery |
| Metalworking Facilities | Limiting the entry of airborne particles into compressors operating near machining processes |
| Packaging Lines | Maintaining intake filtration in compressors supplying production equipment |
| Food and Beverage Facilities | Supporting compressor maintenance where intake air cleanliness is part of the equipment management plan |
| Industrial Assembly Plants | Filtering ambient air drawn into centralized compressor installations |
| Continuous-Duty Operations | Managing filter loading in compressors operating for extended periods |
| Compressor Service Workshops | Replacing contaminated intake elements during preventive maintenance |
| Equipment Refurbishment | Restoring the specified intake filtration arrangement during compressor servicing |
Installation and Maintenance
- Verify the part number: Confirm the 47556185001 and 23429822 identifiers against the compressor’s parts documentation before removing the existing filter.
- Identify the filter location: Establish that the component belongs to the compressor intake assembly rather than the coolant circuit or another filtration stage.
- Shut down the compressor: Follow the approved shutdown and isolation procedure before opening the intake housing.
- Inspect the existing element: Check for accumulated dust, damaged media, deformation, moisture, or evidence of air bypass.
- Clean the filter housing: Remove loose contamination from the housing and sealing surfaces without allowing debris to enter the intake passage.
- Check the sealing arrangement: Inspect the relevant seals and contact surfaces for wear, cracking, or uneven seating that could allow unfiltered air to bypass the media.
- Confirm replacement compatibility: Match the filter configuration and mounting arrangement to the installed compressor and housing.
- Install the replacement element: Position the filter correctly and ensure that it seats evenly without damaging the media or sealing surfaces.
- Secure the housing: Refit the cover and retaining components according to the specified assembly procedure.
- Inspect the intake path: Check accessible ducts, grilles, and inlet passages for obstructions or accumulated contamination.
- Check operating conditions: After restarting the compressor, review any available intake restriction indication and confirm that the machine operates normally.
- Record the service: Document the replacement part number, operating hours, observed contamination, and any abnormal intake conditions for future maintenance planning.
Compatible System Components
| Component | Function |
|---|---|
| Compatible Ingersoll Rand Compressor | Provides the equipment and intake assembly in which the filter is installed |
| Air Filter Housing | Supports and encloses the filter element |
| Intake Ducting | Carries ambient air to the compressor inlet |
| Intake Valve | Regulates air admission where incorporated into the compressor design |
| Intake Restriction Indicator | Helps identify excessive filter resistance where fitted |
| Housing Seal or Gasket | Limits unfiltered air bypass around the filter |
| Compressor Airend | Compresses the filtered incoming air |
| Coolant Filter | Filters circulating compressor coolant in compatible systems; performs a separate function |
| Oil Separator | Separates coolant from compressed air in applicable oil-injected compressors |
| Compressor Controller | Monitors operating conditions and displays supported maintenance or fault indications |
Recommended Related Models
| Model | Product Type | Selection Consideration |
|---|---|---|
| Ingersoll Rand 23429822 | Air Filter Cartridge | Associated air-filter part number; confirm the complete equipment configuration before ordering |
| Ingersoll Rand 23388275 | Heavy-Duty Air Filter Element | A related intake filtration option for specified compressor applications; verify the applicable compressor model and filter housing |
| Ingersoll Rand 47555205001 | Air Filter | A separate Ingersoll Rand filtration part; confirm its intended equipment application before selection |
| Ingersoll Rand 32170979 | Inlet Filter Element | An inlet filter element for specified reciprocating compressor models; not a direct substitute without compatibility verification |
| Ingersoll Rand 23424922 | Coolant Filter | A separate coolant-circuit component, not an intake air filter replacement |
Key Advantages
- Helps prevent airborne dust and debris from entering the compressor intake.
- Supports protection of the airend against particulate contamination.
- Helps maintain the intended intake airflow when the filter is in suitable condition.
- Supports planned maintenance through filter inspection and replacement.
- Helps reduce the risk of unfiltered air bypass when correctly seated in the specified housing.
Technical FAQs
What happens when the compressor intake filter becomes restricted?
As dust accumulates in the media, airflow resistance can increase. Excessive restriction may reduce the air available to the compressor and affect operating performance. Check the filter condition and any available restriction indicator before investigating other possible intake problems.
Can the 23429822 air filter be used in every Ingersoll Rand rotary screw compressor?
No. Filter compatibility depends on the compressor model, intake housing, and specified filtration element. The part number is associated with particular compressor applications, so the complete equipment identification should be checked before selecting a replacement.
How is an intake air filter different from a coolant filter?
An intake air filter removes airborne particles from air entering the compressor. A coolant filter treats the circulating fluid used in applicable compressor cooling and lubrication circuits. The two components operate in different parts of the machine and have different media and flow requirements.
Should a visibly dirty air filter always be cleaned instead of replaced?
Not necessarily. Cleaning is appropriate only when the filter construction and maintenance instructions permit it. Some media can be damaged by compressed air, washing, or mechanical handling. If the element is damaged, excessively loaded, or not approved for cleaning, replacement is the appropriate course of action.