Product Overview

The Ingersoll Rand 47627051001 89295976 Air Filter is an inlet air filtration element used in compatible Ingersoll Rand rotary compressor systems. Its primary function is to remove airborne dust and particulate contaminants before they enter the compression stage. Clean intake air helps limit contamination within the compressor and supports the service life of internal components.

Ambient air drawn into an industrial compressor can contain dust, fibers, pollen, and other suspended particles. If these contaminants pass into the compression mechanism, they may accumulate on internal surfaces or enter the lubricant circuit. The intake filter provides the first barrier against this contamination, helping maintain cleaner operating conditions inside the machine.

The 89295976 element is identified as an OEM replacement inlet air filter for Ingersoll Rand RSa 4–11 kW rotary compressors. Parts references also associate this number with selected SSR UP5 and UP6 compressor configurations. These applications should be distinguished by their specific intake arrangements, so the correct equipment reference remains important when selecting a replacement.

This filter uses a dry-type filtration design with pleated cellulose media listed in industrial supply specifications. The pleated structure provides an extended filtration surface within the filter housing. As air passes through the media, particles are retained while filtered air continues toward the compressor inlet.

The filter’s condition affects both contamination control and intake airflow. As captured particles accumulate, resistance to airflow can increase. A heavily loaded filter may restrict the air supply and affect compressor performance, while damaged media or an improperly seated element can allow contaminated air to bypass the filtration surface.

Routine inspection should consider more than the visible condition of the media. The housing, sealing surfaces, and filter seating arrangement must remain in good condition so air follows the intended path. A filter that appears relatively clean may still be unsuitable for continued operation if it has been damaged, distorted, or incorrectly installed.

The Ingersoll Rand 47627051001 89295976 Air Filter supports intake-air cleanliness in compatible compressor installations. Correct part selection, proper installation, and replacement according to the applicable maintenance schedule help preserve the intended airflow and filtration performance.

Technical Specifications

Product Features

• Dry-type air filtration: Captures airborne contaminants before they enter the compression mechanism.
• Pleated cellulose media: Provides a filtration surface for retaining suspended particulate matter.
• High-efficiency particle capture: The OEM specification lists 99.9% efficiency at 3 microns and above.
• Intake airflow support: Allows air to pass through the filtration media while limiting contaminant entry.
• Internal contamination control: Helps reduce the introduction of dust and debris into the compressor.
• Replaceable filter element: Supports routine servicing without replacing the entire intake housing.
• Housing-dependent sealing: Requires correct seating to prevent unfiltered air from bypassing the media.
• Compressor-specific application: Intended for compatible intake assemblies rather than universal use across all compressor models.

Working Principle

The Ingersoll Rand 89295976 Air Filter uses dry mechanical filtration to remove particulate contaminants from incoming air. When the compressor operates, ambient air is drawn through the intake housing and passes through the filter media before reaching the compression stage.

Ambient Air → Intake Housing → Pleated Filter Media → Filtered Air → Compression Element

The pleated cellulose media captures airborne particles as air passes through its structure. The retained contaminants remain within the filter while the air continues downstream. The filter’s stated efficiency applies to the specified test conditions and should not be interpreted as complete removal of every particle under all operating conditions.

As the compressor accumulates operating hours, captured dust gradually builds up on the media. This increases resistance to airflow and can eventually cause excessive intake restriction. The rate of loading depends on the airborne particle concentration, operating environment, and duration of use.

A correctly fitted filter ensures that incoming air passes through the media rather than around it. If the element is incorrectly seated, the housing is damaged, or the sealing surface is compromised, unfiltered air may enter the compressor and reduce the effectiveness of the filtration system.

Filter condition can also provide useful information about the surrounding environment. Rapid accumulation of dust may indicate that the compressor is installed near a contamination source or that the intake area requires attention. Repeated premature restriction should prompt an inspection of the operating environment as well as the filter itself.

During replacement, the housing should be cleaned without allowing accumulated debris to enter the clean-air passage. The new element must be installed in the correct orientation and secured according to the applicable service procedure.

Once the filter is replaced, the compressor should be returned to operation under the approved maintenance procedure. Available intake restriction indications and normal operating conditions should be reviewed to confirm that the air supply is not being obstructed.

Role in the Compressor Air Intake System

The 89295976 Air Filter is installed upstream of the compressor’s compression mechanism. It limits particulate contamination in the incoming air before that air enters the internal compression and lubrication environment.

Ambient Air → Air Filter → Compressor Inlet → Compression Element → Compressed-Air Circuit

The arrangement varies according to compressor design. The filter must match the designated intake assembly and must not be treated as interchangeable with a different element solely because its appearance is similar.

Industrial Applications

Installation and Maintenance

1. Shut down the compressor: Stop the machine and follow the prescribed isolation procedure before opening the intake housing.
2. Locate the intake filter: Identify the installed filter and confirm that the replacement part matches the compressor’s required application.
3. Open the housing: Remove the cover or retaining components according to the equipment-specific service procedure.
4. Remove the used element: Withdraw the filter carefully to prevent accumulated dust from entering the clean-air passage.
5. Inspect the filter condition: Check for excessive dust loading, tears, deformation, moisture exposure, or damaged media.
6. Clean the housing: Remove loose debris using a suitable method that prevents contamination from entering the compressor inlet.
7. Inspect the sealing surfaces: Check the housing, contact surfaces, and retaining components for damage that could allow air to bypass the filter.
8. Confirm the replacement element: Ensure that the part number and filter configuration match the required intake assembly.
9. Install the new filter: Position the element correctly and ensure that it is seated securely without gaps or deformation.
10. Reassemble the housing: Refit the cover and secure the retaining components according to the applicable procedure.
11. Check operation after servicing: Return the compressor to service under the approved procedure and review available intake restriction indications and operating conditions.
12. Record the maintenance: Document the replacement date, operating hours, and condition of the removed filter to support future service planning.

If the replacement filter becomes restricted unusually quickly, inspect the intake environment and housing condition. Persistent restriction may result from high airborne dust levels or an intake-system problem rather than a defect in the filter alone.

Related Components

Recommended Related Models

Key Advantages

• Helps prevent airborne particulate contamination from entering the compression stage.
• Supports intake-air filtration in compatible Ingersoll Rand compressor systems.
• Uses pleated cellulose media for dry-type filtration.
• Helps maintain the intended airflow path when properly installed.
• Supports scheduled compressor maintenance through element replacement.
• Helps maintenance personnel identify excessive dust loading and intake-system issues.

Technical FAQs

Which compressor applications are associated with the 89295976 Air Filter?

The OEM product listing identifies the element for Ingersoll Rand RSa 4–11 kW rotary compressors. Parts references also list it for selected SSR UP5 and UP6 configurations. The applicable intake arrangement should determine the replacement selection.

What does the specified 99.9% filtration efficiency mean?

The OEM listing specifies 99.9% efficiency at 3 microns and above. This describes the stated filtration performance under the applicable test conditions; it does not mean that every particle is removed under every operating condition.

How can a damaged intake seal affect compressor operation?

A damaged or incorrectly seated seal may allow incoming air to bypass the filter media. This can introduce airborne contaminants into the compressor even when the filter element itself is new. The housing and sealing surfaces should be inspected whenever the element is replaced.

What should be investigated if the filter loads up much faster than expected?

Check the intake environment for elevated dust concentrations, inspect the housing for contamination or airflow problems, and review the compressor’s operating conditions. If the problem persists, the intake installation and maintenance interval should be reassessed according to the equipment’s service requirements.