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- Ingersoll Rand
- 95439006
- O-Ring
- USA
- 17 × 17.38 × 0.18 inches
- 0.1 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Ingersoll Rand 95439006 O-Ring is a sealing component associated with Ingersoll Rand Centac centrifugal compressor equipment. Parts listings identify this reference in the P140 parts category and describe it as an O-ring used in the compressor assembly.
In a centrifugal compressor, sealing components are required at interfaces where housings, covers, and other stationary parts meet. The O-ring forms a sealing barrier between mating surfaces, helping prevent air or operating fluid from escaping through the joint during normal operation.
The effectiveness of the seal depends on the groove geometry, compression, material compatibility, and operating conditions at the installation point. Pressure fluctuations, temperature changes, and prolonged exposure to operating media can affect the sealing material over time.
For maintenance teams, correct part identification is important when several O-rings appear in the same compressor parts list. Components that look similar may have different sealing profiles or serve different joints. Confirming the part number and installation location before dismantling the assembly helps avoid incorrect replacement and recurring leakage problems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Ingersoll Rand |
| Model / Part Number | 95439006 |
| Product Type | O-Ring |
| Component Category | Compressor Sealing Component |
| Associated Compressor Family | Centac centrifugal compressors |
| Associated Configuration | P140 parts listing |
| Primary Function | Seals a designated stationary joint |
| Material | Confirm against the applicable parts specification |
| Nominal Listed Size | 17 × 17.38 × 0.18 inches |
| Weight | 0.1 kg |
Product Features
- Static joint sealing: Helps prevent leakage at stationary mating surfaces.
- Centac compressor application: Identified in parts listings for compatible centrifugal compressor equipment.
- Defined replacement reference: Supports accurate part identification and spare-parts management.
- Groove-mounted installation: Relies on the correct groove profile and compression for effective sealing.
- Maintenance accessibility: Can be inspected when the associated joint is dismantled.
- Application-specific performance: Requires the correct material and installation conditions for the intended service.
Working Principle
The 95439006 O-ring seals through compression between two mating surfaces. When fitted into the designated groove, the ring deforms against the surrounding surfaces, closing the clearance through which air or another operating medium could escape.
A typical sealing arrangement follows this sequence:
Compressor Housing or Cover → Machined Groove → O-Ring → Mating Surface
The groove controls the ring’s position and compression. Insufficient compression can prevent the seal from making adequate contact with the mating surfaces, while excessive compression may damage the material during assembly.
During operation, pressure and temperature changes place demands on the sealing interface. The O-ring material must remain compatible with the operating medium and retain suitable elasticity under the specified conditions. Material deterioration, incorrect sizing, or damaged mating surfaces can cause leakage even when the joint has been assembled correctly.
During servicing, inspect the removed ring for flattening, cuts, cracks, hardening, and other signs of deterioration. Check the groove for contamination, scratches, corrosion, and damage that could affect the seal’s contact with the mating surface.
The replacement must match the specified application. Verify the part number and sealing profile against the compressor parts documentation before installation, and use only an approved lubricant or assembly aid where the procedure permits it.
Role in the Centac Compressor Sealing System
The 95439006 O-ring serves as a stationary sealing element at its designated installation point. It supports the integrity of the joint while the compressor’s other components perform their mechanical and fluid-handling functions.
Mating Components → O-Ring Groove → Compressed Seal → Sealed Compressor Joint
| System Component | Function |
|---|---|
| Ingersoll Rand 95439006 O-Ring | Seals the specified stationary interface |
| Compressor Housing | Provides the designated sealing groove or contact surface |
| Mating Cover or Component | Completes the joint against which the ring is compressed |
| Machined Sealing Groove | Positions the ring and determines its compression |
| Fasteners | Maintain the assembled joint |
| Compressor Operating Circuit | Carries the relevant operating medium |
| Parts Documentation | Identifies the correct seal and installation location |
| Maintenance Records | Track seal replacement and recurring leakage issues |
Industrial Applications
| Application | Typical Use |
|---|---|
| Centac P140 Configurations | Replacement of the O-ring where specified in the parts list |
| Centrifugal Compressor Maintenance | Replacing worn or damaged seals during scheduled servicing |
| Housing Assemblies | Sealing compatible stationary mating surfaces |
| Compressor Overhauls | Renewing specified seals during dismantling and reassembly |
| Leakage Investigation | Inspecting the affected joint and replacing the seal when required |
| Industrial Compressed-Air Systems | Supporting maintenance of centrifugal compressor equipment |
| Plant Utility Rooms | Preparing replacement seals for planned service work |
| Manufacturing Facilities | Maintaining compressor equipment that supports production |
| Corrective Maintenance | Addressing leakage after identifying the affected joint |
| Spare-Parts Management | Tracking the correct O-ring reference for future maintenance |
Installation and Maintenance
- Verify the part number: Confirm 95439006 against the compressor parts list and the original component identification.
- Identify the sealing location: Establish the exact joint where the O-ring is installed before dismantling the assembly.
- Confirm the seal specification: Check the required sealing profile, material, and operating limits against the applicable parts documentation.
- Isolate the equipment: Follow the approved shutdown, electrical isolation, and pressure-release procedures before opening the compressor assembly.
- Remove the existing seal: Carefully extract the O-ring without scratching the groove or damaging adjacent components.
- Inspect the old ring: Look for flattening, cuts, cracks, hardening, and other signs of material deterioration.
- Clean the groove: Remove contamination and residue using a method compatible with the component materials.
- Examine the mating surfaces: Check for scratches, corrosion, burrs, and distortion that could compromise sealing.
- Check the replacement: Verify the part number and material specification, and inspect the new ring for damage before fitting it.
- Install the O-ring: Position it evenly in the designated groove without twisting, pinching, or stretching it excessively.
- Reassemble and test: Follow the specified fastening procedure and inspect the joint for leakage under approved operating conditions.
- Record the maintenance: Document the replacement part number, installation location, service date, and any additional defects found during inspection.
Compatible System Components
| Component | Function |
|---|---|
| Ingersoll Rand 95439006 O-Ring | Seals the designated static joint |
| Compatible Centac Compressor Assembly | Provides the equipment platform for the specified application |
| Compressor Housing | Supports the sealing groove and mating surface |
| Housing Cover or Joint Component | Forms the stationary interface requiring the seal |
| Fasteners | Secure the assembled components |
| Sealing Groove | Positions the O-ring and controls compression |
| Approved Assembly Lubricant | Assists installation where permitted by the service procedure |
| Compressor Parts Documentation | Defines the required seal and installation location |
| Maintenance Log | Records replacement history and leakage investigations |
Recommended Related Models
| Model / Part Number | Product Type | Typical Application |
|---|---|---|
| Ingersoll Rand 95439006 | O-Ring | Specified Centac compressor sealing application |
| Ingersoll Rand 95438917 | O-Ring | Related Centac sealing component |
| Ingersoll Rand 95269320 | O-Ring | Separate sealing application in compatible equipment |
| Ingersoll Rand 95156402 | O-Ring | Replacement seal for its designated assembly |
| Ingersoll Rand 95026860 | O-Ring | Centac compressor sealing application |
| Ingersoll Rand 95026845 | O-Ring | Related compressor sealing component |
Key Advantages
- Supports sealing at the designated stationary compressor joint.
- Provides a specific part reference for maintenance planning.
- Helps maintain joint integrity when correctly matched to the application.
- Supports inspection and replacement during scheduled compressor servicing.
- Helps maintenance teams distinguish between O-rings used at different installation points.
Technical FAQs
Which Centac compressor configuration is associated with part number 95439006?
Parts listings identify 95439006 in the P140 parts category. Confirm the complete compressor model and installation location against the applicable parts list before selecting the replacement.
Why must the O-ring match the original sealing profile?
The sealing profile determines how the ring sits in its groove and compresses against the mating surfaces. An incorrect profile may prevent proper sealing or cause damage during assembly.
What should be checked if the replacement ring does not seat properly in the groove?
Verify the part number and specification first. Then inspect the groove for debris, deformation, or damage, and confirm that the replacement matches the intended application. Do not force a ring into a groove that appears incompatible.
How can recurring leakage at an O-ring joint be investigated?
Inspect the ring, groove, and mating surfaces for wear, contamination, and damage. Confirm the assembly sequence and fastening requirements, then evaluate the operating conditions at the joint. Repeated leakage may indicate a damaged sealing surface or incorrect part selection.