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- Ingersoll Rand
- 47704434001 47557738001
- Air Filter
- USA
- 212 × 345 × 132 mm
- 2.4 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Ingersoll Rand 47704434001 47557738001 Air Filter is an industrial compressor air-filtration component designed to help protect the compressor intake system and maintain a clean, unrestricted airflow path. As an important consumable component in compressed-air equipment, the air filter captures airborne dust, dirt, and other particulate contamination before it can enter sensitive compressor components.
Clean intake air is essential for maintaining compressor efficiency and reducing unnecessary wear. When an air filter becomes excessively contaminated, airflow resistance increases. This can cause higher pressure drop across the filter, reduced compressor capacity, increased energy consumption, and potentially elevated operating temperatures.
The supplied dimensions of the 47557738001 Air Filter are 212 × 345 × 132 mm, with a weight of 2.4 kg. Its relatively large filtration area makes it suitable for industrial compressor systems that require continuous intake-air filtration.
The 47704434001 reference should be checked together with the compressor model and serial number before ordering or replacing the filter. Physical dimensions alone should not be used as the sole basis for determining compatibility.
Product Identification
| Parameter | Specification |
|---|---|
| Manufacturer | Ingersoll Rand |
| Main Reference | 47704434001 |
| Air Filter Part Number | 47557738001 |
| Product Type | Compressor Air Filter |
| Primary Function | Intake Air Filtration |
| Application | Industrial Air Compressor |
| Dimensions | 212 × 345 × 132 mm |
| Weight | 2.4 kg |
| Installation Location | Compressor Intake System |
| Maintenance Type | Preventive / Corrective Maintenance |
| Typical Application | Industrial Compressed-Air Systems |
Technical Specifications
| Technical Item | Specification |
|---|---|
| Brand | Ingersoll Rand |
| Reference | 47704434001 |
| Part Number | 47557738001 |
| Component Category | Air Filter |
| Filtration Function | Intake Air Contaminant Removal |
| Installation | Compressor Intake Assembly |
| Dimensions | 212 × 345 × 132 mm |
| Weight | 2.4 kg |
| Application | Industrial Compressor |
| Service Purpose | Intake-Air Protection |
| Replacement Type | Maintenance Spare |
| Typical Service | Scheduled Compressor Maintenance |
What Is the 47557738001 Air Filter?
The 47557738001 Air Filter is installed within the compressor’s intake-air path. Its primary purpose is to prevent airborne contaminants from entering the compressor.
A simplified airflow path is:
Ambient Air
↓
47557738001 Air Filter
↓
Compressor Intake System
↓
Air End
↓
Compressed Air System
The filter therefore serves as the first major protection stage against airborne contamination.
Air Filter Function
The filter is designed to help remove contaminants such as:
- Dust
- Dirt
- Airborne particles
- Industrial particulate matter
- Fine debris
The exact filtration characteristics depend on the compressor configuration and filter construction.
A clean filter allows the compressor to draw air with relatively low resistance. As the filter accumulates contaminants, airflow resistance increases.
Why Compressor Air Filtration Matters
The compressor continuously processes large volumes of atmospheric air. Without effective filtration, airborne particles can enter the compressor and contribute to contamination and wear.
Proper intake filtration can help:
- Protect compressor components
- Maintain airflow
- Reduce contamination
- Support compressor efficiency
- Reduce unnecessary wear
- Maintain stable compressor operation
- Extend maintenance intervals for downstream components
Air-filter condition is therefore an important part of compressor preventive maintenance.
Typical Industrial Applications
The Ingersoll Rand 47704434001 47557738001 Air Filter is intended for compatible compressor applications and may be used in environments such as:
Manufacturing Facilities
Compressed air is used for:
- Pneumatic tools
- Automated machinery
- Assembly equipment
- Control systems
- Production lines
Process Industries
Compressed air may support:
- Instrumentation
- Process control
- Pneumatic actuators
- Material handling
Workshops
Industrial workshops use compressed air for:
- Pneumatic tools
- Cleaning
- Maintenance
- Assembly operations
Continuous-Duty Compressor Systems
Continuous operation can expose the intake filter to large quantities of airborne contaminants, making regular inspection particularly important.
Installation Guide
1. Verify the Filter
Before installation, confirm:
- Compressor model
- Compressor serial number
- Existing filter part number
- Filter housing configuration
- Main reference 47704434001
- Filter number 47557738001
Do not install the filter solely because its physical dimensions appear similar to the existing filter.
2. Prepare the Compressor
Before removing the old filter:
- Stop the compressor.
- Isolate electrical power.
- Prevent accidental startup.
- Allow the compressor to cool.
- Isolate the relevant system if required.
- Follow the plant’s maintenance safety procedure.
The intake assembly should be safe to access before the housing is opened.
3. Locate the Intake Filter Housing
Identify the compressor’s intake filter housing.
Inspect the surrounding area for:
- Dust
- Oil
- Debris
- Damaged components
- Loose clamps
- Air leakage
Clean contamination around the housing before opening it.
4. Remove the Existing Filter
Open the filter housing according to the compressor maintenance procedure.
Carefully remove the used filter.
Avoid shaking excessive dust into the intake system.
Immediately cover or protect open intake passages if required.
5. Inspect the Filter Housing
After removing the old filter, inspect the housing for:
- Cracks
- Corrosion
- Dirt
- Dust accumulation
- Damaged seals
- Loose fasteners
- Deformed mounting surfaces
A damaged housing can allow unfiltered air to bypass the filter.
6. Clean the Housing
Remove accumulated contamination from the housing.
Ensure that:
- No loose debris remains.
- Sealing surfaces are clean.
- The filter seating area is unobstructed.
- No foreign material can enter the intake passage.
Avoid blowing large amounts of loose contamination directly into the compressor intake.
7. Inspect the New Filter
Before installation, verify:
- Part number
- Dimensions
- Filter condition
- End surfaces
- Sealing areas
- Structural integrity
The filter should be clean and free from dents, tears, or deformation.
8. Install the Filter
Position the 47557738001 Air Filter correctly inside the housing.
Verify:
- Correct orientation
- Full seating
- Proper sealing
- No deformation
- No gaps around the filter
Never force the filter into an incorrect position.
9. Close the Housing
Reinstall the filter housing cover.
Check:
- Cover alignment
- Fasteners
- Clamps
- Seals
- Intake connections
Ensure the housing is securely closed before restarting the compressor.
10. Restart the Compressor
After confirming that the filter housing is correctly assembled:
- Remove maintenance tools.
- Restore the system.
- Restore electrical power.
- Start the compressor.
- Observe the intake system.
- Check for abnormal noise.
- Monitor operating pressure and temperature.
Commissioning Verification
After replacement, verify the following.
Airflow
The compressor should receive sufficient intake air without abnormal restriction.
Pressure
Check operating pressure and compare it with normal compressor behavior.
Temperature
Monitor compressor operating temperature for unexpected increases.
Noise
Listen for:
- Air leakage
- Filter vibration
- Housing vibration
- Unusual intake noise
Filter Differential Pressure
If the compressor is equipped with a differential-pressure indicator or sensor, verify that the pressure drop is within the expected operating range.
Troubleshooting Guide
Compressor Has Reduced Airflow
Possible causes include:
- Dirty air filter
- Incorrect filter installation
- Filter deformation
- Intake restriction
- Blocked intake piping
- Damaged filter housing
Begin by inspecting the filter and intake path.
High Filter Differential Pressure
A high pressure drop can indicate:
- Excessive filter contamination
- Restricted airflow
- Incorrect filter specification
- Improper installation
- Severe environmental dust loading
If the filter is heavily contaminated, replacement is generally required.
Compressor Runs at Higher Power
An excessively restricted intake filter can increase compressor workload.
Possible causes include:
- Blocked filter
- Restricted intake piping
- High system demand
- Compressor mechanical problems
Compare filter differential pressure with normal operating conditions before concluding that the compressor itself has failed.
Compressor Overheats
Possible causes include:
- Restricted intake airflow
- Dirty cooler
- High ambient temperature
- Poor ventilation
- Excessive load
- Compressor control problems
The air filter should be checked as part of the complete airflow investigation.
Excessive Dust Inside the Intake System
Possible causes:
- Damaged filter
- Incorrect filter installation
- Housing seal failure
- Filter bypass
- Cracked housing
Inspect the complete filter sealing arrangement.
Filter Becomes Dirty Too Quickly
Rapid contamination can be caused by:
- High airborne dust levels
- Poor plant ventilation
- Construction activity
- Dirty compressor room
- Inadequate filtration
- Environmental changes
If filters require unusually frequent replacement, investigate the operating environment instead of simply shortening the replacement interval.
Filter Housing Leakage
Possible causes:
- Damaged gasket
- Improper filter seating
- Loose housing
- Damaged sealing surface
- Cracked housing
Inspect the housing and sealing components carefully.
Abnormal Intake Noise
Possible causes:
- Loose filter
- Incorrect installation
- Air leakage
- Damaged housing
- Intake restriction
- Mechanical vibration
Stop the compressor if abnormal noise suggests mechanical damage.
Downstream Contamination
If contamination is found downstream of the intake filter, inspect:
- Filter condition
- Filter seating
- Housing seals
- Bypass paths
- Intake piping
- Housing integrity
A filter can be correctly installed but still fail to protect the compressor if air bypasses the filter.
Preventive Maintenance
Daily / Routine Checks
Depending on the compressor maintenance program, monitor:
- Compressor operating pressure
- Temperature
- Intake condition
- Abnormal noise
- Differential pressure
Filter Inspection
Inspect the filter for:
- Excessive contamination
- Deformation
- Damage
- Moisture
- Oil contamination
Housing Inspection
Check:
- Sealing surfaces
- Fasteners
- Clamps
- Housing integrity
- Intake connections
Environmental Monitoring
Consider the compressor-room environment.
High levels of:
- Dust
- Smoke
- Fibers
- Construction debris
- Chemical contamination
can accelerate filter loading.
Filter Replacement Checklist
| Inspection Item | Verification |
|---|---|
| Compressor Model | Confirmed |
| Serial Number | Confirmed |
| Main Reference | 47704434001 |
| Filter Part Number | 47557738001 |
| Filter Dimensions | 212 × 345 × 132 mm |
| Filter Weight | 2.4 kg |
| Compressor Isolated | Completed |
| Existing Filter Removed | Completed |
| Housing Inspected | Completed |
| Housing Cleaned | Completed |
| New Filter Inspected | Completed |
| Filter Correctly Installed | Completed |
| Housing Secured | Completed |
| Intake Path Checked | Completed |
| Compressor Restarted | Completed |
| Differential Pressure Checked | Completed |
| Final Performance Verified | Completed |
Related Compressor Components
The air filter operates as part of a larger compressor system.
| Component | Typical Function |
|---|---|
| Intake Filter | Removes Airborne Contaminants |
| Intake Valve | Controls Air Intake |
| Compressor Air End | Compresses Incoming Air |
| Air-Oil Separator | Separates Oil From Compressed Air |
| Oil Filter | Removes Contaminants From Compressor Oil |
| Minimum Pressure Valve | Controls Minimum System Pressure |
| Temperature Control Valve | Regulates Oil Temperature |
| Cooler | Removes Heat From Compressor System |
The exact configuration depends on the compressor model.
Key Advantages
Effective Intake Protection
The air filter provides an important barrier against airborne contamination entering the compressor.
Supports Stable Airflow
A clean and correctly installed filter helps maintain the intended intake airflow.
Helps Protect Compressor Components
Removing airborne contaminants reduces the potential for particulate contamination inside the compressor.
Supports Energy Efficiency
Maintaining appropriate intake resistance can help the compressor operate closer to its intended efficiency.
Practical Maintenance Component
With supplied dimensions of 212 × 345 × 132 mm and a weight of 2.4 kg, the filter can be managed as a standard industrial maintenance spare.
Frequently Asked Questions
What is Ingersoll Rand 47557738001?
It is an Air Filter associated with the supplied 47704434001 reference for compatible Ingersoll Rand compressor equipment.
What are the dimensions of the air filter?
The supplied dimensions are:
212 × 345 × 132 mm
What is the filter weight?
The supplied weight is:
2.4 kg
What does the air filter do?
It removes airborne contaminants from the compressor intake stream before the air reaches the compressor’s internal components.
Why does an air filter become restricted?
Dust and particulate matter accumulate in the filter media during normal operation. As contamination increases, airflow resistance also increases.
What are the symptoms of a blocked air filter?
Common symptoms include:
- Reduced airflow
- Increased pressure drop
- Higher compressor workload
- Increased operating temperature
- Reduced compressor efficiency
- Abnormal operating behavior
How often should the filter be replaced?
The replacement interval depends on compressor operating hours, environmental conditions, filter loading, differential pressure, and the maintenance requirements of the specific compressor.
Can I clean and reuse the filter?
Whether a filter can be cleaned depends on its construction and the manufacturer’s approved maintenance procedure. A damaged or excessively loaded filter should not be reused simply because it can be physically cleaned.
Should the filter housing be inspected during replacement?
Yes. Inspect the housing, seals, seating surfaces, fasteners, and intake connections whenever the filter is replaced.
Can this filter fit all Ingersoll Rand compressors?
No. Compatibility must be confirmed using the compressor model, serial number, existing filter configuration, and applicable parts information.
Installation Checklist
| Item | Status |
|---|---|
| Correct Filter Identified | ✓ |
| Compressor Isolated | ✓ |
| Existing Filter Removed | ✓ |
| Filter Housing Cleaned | ✓ |
| Housing Seals Inspected | ✓ |
| Replacement Filter Verified | ✓ |
| Filter Correctly Installed | ✓ |
| Housing Secured | ✓ |
| Intake Connections Checked | ✓ |
| Compressor Restarted | ✓ |
| Leakage Checked | ✓ |
| Differential Pressure Checked | ✓ |
| Compressor Performance Verified | ✓ |
Conclusion
The Ingersoll Rand 47704434001 47557738001 Air Filter is an important intake-filtration component for compatible industrial compressor systems. By preventing airborne dust and particulate contamination from entering the compressor, the filter helps protect internal components while supporting stable airflow and reliable compressor operation.
The supplied filter dimensions are 212 × 345 × 132 mm, with a weight of 2.4 kg. These specifications make the component suitable for planned maintenance inventory and scheduled compressor servicing.
For reliable operation, the filter should be replaced under controlled maintenance conditions with the compressor stopped, isolated, and safe to access. The filter housing should be cleaned and inspected before installation, and the replacement element should be seated correctly to prevent unfiltered-air bypass.
After installation, technicians should verify airflow, differential pressure, operating temperature, compressor pressure, and abnormal noise. Regular monitoring of filter condition and the compressor operating environment can also help prevent unexpected restrictions and extend the service life of the overall compressed-air system.