



Introduction
The Ingersoll Rand 47704435001 / 47557738001 Air Filter Element is designed to provide intake-air filtration for compatible Ingersoll Rand rotary screw compressor systems. Its role is straightforward but important: remove airborne contamination before ambient air enters the compressor.
In an industrial environment, compressor intake air can contain dust, fibers, fine particles, and other contaminants. Without effective filtration, these materials can enter the compressor and place additional stress on internal components. A properly maintained air filter provides the first line of protection for the compression system.
Maintaining the correct filter condition also matters for airflow. As filtration media becomes progressively loaded, intake resistance can increase. Replacing the element at the appropriate maintenance point helps preserve the intended airflow path and supports consistent compressor operation.
For facilities relying on compressed air for production, pneumatic equipment, or process operations, dependable intake filtration is a small but essential part of a broader compressor reliability strategy.
Technical Specifications
| Specification | Details |
|---|
| Brand | Ingersoll Rand |
| Primary Part Number | 47704435001 |
| Corresponding Part Number | 47557738001 |
| Product Type | Air Filter Element |
| Application | Rotary Screw Air Compressor |
| Primary Function | Intake-Air Filtration |
| Filtration Target | Dust and Airborne Particulate Matter |
| Installation Position | Compressor Air Intake |
| Maintenance Category | Preventive Maintenance |
| Element Configuration | Compressor Intake Filter Element |
| Dimensions | Approx. 275 mm OD × 421 mm height |
| Weight | Approx. 2.4 kg |
| Compatibility | Model- and configuration-dependent |
| Service Requirement | Verify compressor model and serial number before installation |
Recommended Companion Models
| Model | Product Name |
|---|
| 24900433 | Ingersoll Rand Oil Filter Element |
| 47704434001 | Ingersoll Rand 8000-Hour Service Kit |
| 47569978001 | Ingersoll Rand Pad Pre-Filter |
| 39863865 | Ingersoll Rand Air/Oil Separator Element |
Frequently Selected Alternatives
| Model | Product Name |
|---|
| 39903281 | Ingersoll Rand Air Filter Element |
| 42841287 | Ingersoll Rand Oil Filter |
| 54595442 | Ingersoll Rand Air Filter Element |
| 47701891001 | Ingersoll Rand Air Filter Element |
Technical FAQs
1. What is the primary function of the Ingersoll Rand 47704435001 / 47557738001?
The product functions as an air filter element for compatible Ingersoll Rand compressor systems. It removes airborne particulate contamination from intake air before the air reaches the compression system.
2. Why is intake-air filtration important for a rotary screw compressor?
The compressor continuously draws ambient air into its intake system. Effective filtration helps prevent dust and particulate matter from entering internal components where contamination could contribute to wear or degraded operating performance.
3. What happens when the air filter becomes heavily contaminated?
A loaded filter can increase intake-side pressure drop and restrict airflow. If restriction becomes excessive, compressor efficiency and operating performance may be affected.
4. Can a dirty air filter increase compressor energy consumption?
Yes. Excessive intake restriction can increase the work required to maintain the desired operating condition. Maintaining the filter in an appropriate condition helps support efficient compressor operation.
5. How often should the air filter be inspected?
Inspection frequency should be based on the compressor maintenance schedule and actual operating environment. Dusty installations generally require more frequent inspection than clean, controlled environments.
6. Can the filter element be cleaned instead of replaced?
Replacement is normally preferred when the filter reaches its service limit or becomes damaged. Cleaning methods should only be used when specifically permitted by the applicable maintenance procedure because improper cleaning can damage the filter media.
7. Does the air filter affect compressor air quality downstream?
The primary purpose of the air filter is to protect the compressor from intake contamination rather than provide final compressed-air treatment. Downstream air quality is also determined by the compressor's oil separation and dedicated air-treatment equipment.
8. Can 47557738001 be used on every Ingersoll Rand compressor?
No. Air filter elements are designed for specific compressor intake assemblies. The compressor model, serial number, existing filter reference, and applicable parts documentation should be checked before ordering.
9. What operating conditions can shorten air filter service life?
High dust concentration, outdoor installation, poor ventilation, construction activity, and other contaminated environments can cause the filter to load more quickly and may require more frequent inspection or replacement.
10. What should be verified before installing this filter?
The replacement element should be checked against the compressor model, filter housing, existing part number, sealing arrangement, and applicable maintenance documentation. Correct fit and filtration characteristics are essential for reliable intake protection.