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- Ingersoll Rand
- 47642697001 39253992
- O-Ring
- USA
- 359.7 × 370.4 × 5.35 mm
- 0.06 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Ingersoll Rand 47642697001 39253992 O-Ring is a sealing component used in compatible Ingersoll Rand compressor assemblies. It is installed at a stationary mating interface where the surrounding components need to maintain a controlled seal against lubricant, air, or other fluids.
The O-ring sits in a dedicated groove and is compressed when the mating components are assembled. This creates continuous contact around the sealing interface without requiring a separate flat gasket. In compressor service work, the condition of the groove and mating surfaces is just as important as the condition of the O-ring itself.
The part is particularly relevant when a compressor assembly is opened during overhaul or repair. An O-ring that has been flattened, hardened, cut, or permanently deformed may no longer maintain the required sealing pressure after reassembly.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product | 47642697001 |
| Part Number | 39253992 |
| Product Type | O-Ring |
| Manufacturer | Ingersoll Rand |
| Application | Screw compressor mechanical sealing |
| Function | Seals a stationary mating interface |
| Dimensions | 359.7 × 370.4 × 5.35 mm |
| Weight | 0.06 kg |
Product Features
- Used as a sealing component in compatible Ingersoll Rand compressor assemblies.
- Provides continuous sealing around a stationary mating interface.
- Helps limit lubricant and fluid leakage through component joints.
- Fits into a dedicated sealing groove within the associated assembly.
- Suitable for compressor overhaul, repair, and preventive maintenance.
- Lightweight construction simplifies handling during component service.
- Requires clean sealing surfaces and correct seating during installation.
Working Principle
The O-ring is installed inside a machined groove between two mating components. When the assembly is tightened, the ring is compressed against the groove and the opposing surface. The resulting contact pressure closes the potential leakage path around the joint.
During compressor operation, pressure and lubricant can act across the sealed interface. The O-ring maintains contact around the circumference of the joint while the surrounding components remain stationary.
Correct installation has a direct effect on sealing performance. An O-ring that is twisted, pinched, stretched excessively, contaminated, or installed against a damaged groove can leak even when the replacement part is new. For this reason, inspection of the complete sealing interface should accompany every replacement.
Role in a Screw Compressor Mechanical Architecture
| System Element | Function |
|---|---|
| Compressor Housing | Provides the stationary structure for the mechanical assembly |
| Mating Components | Form the interface that requires sealing |
| O-Ring | Seals the stationary interface between the mating components |
| Gasket | Provides flat-surface sealing at applicable joints |
| Shaft Seal | Controls leakage around a rotating shaft |
| Motor Shaft Sleeve | Provides the designated surface for the shaft sealing arrangement |
| Lubrication System | Supplies and circulates lubricant through the compressor |
| Compressor Airend | Performs the primary compression process |
| Fasteners | Maintain the clamping force required across the assembled joint |
| Compressor Control System | Monitors and manages compressor operating conditions |
Industrial Applications
| Application | Typical Use |
|---|---|
| Industrial Screw Compressors | Replacement of sealing components during compressor service |
| Manufacturing Plants | Maintenance of compressed-air equipment |
| Process Industries | Sealing of stationary interfaces within compressor assemblies |
| Oil and Gas Facilities | Mechanical sealing maintenance for compressor equipment |
| Chemical Plants | Replacement of disturbed O-rings during equipment overhaul |
| Plant Utilities | Service of compressor mechanical assemblies |
| General Industrial Maintenance | Restoration of stationary fluid sealing interfaces |
Installation and Maintenance
- Confirm the replacement part
Verify the 47642697001 assembly reference and 39253992 part number before installation. - Inspect the existing O-ring
Check for flattening, cracking, cuts, hardening, swelling, deformation, or other signs of deterioration. - Inspect the sealing groove
Make sure the groove is clean and free from burrs, corrosion, deposits, or mechanical damage. - Check the mating surfaces
Inspect the surrounding surfaces for scratches, dents, contamination, or distortion that could create a leakage path. - Clean the installation area
Remove dirt, old lubricant, sealing residue, and foreign particles before fitting the replacement O-ring. - Verify the supplied dimensions
Confirm the replacement against the specified 359.7 × 370.4 × 5.35 mm dimensions before assembly. - Seat the O-ring correctly
Position the ring evenly inside the designated groove and make sure it is not twisted or displaced. - Avoid sharp installation tools
Prevent cuts or surface damage by using appropriate handling methods when positioning the O-ring. - Inspect related sealing components
If the assembly also contains gaskets, shaft seals, or other O-rings, inspect them while the equipment is disassembled. - Check component alignment
Assemble the mating parts evenly so that the O-ring receives consistent compression around the interface. - Monitor for leakage after startup
After reassembly, inspect the serviced area for lubricant, air, or other fluid leakage during operation. - Record the maintenance work
Document the replacement part and observed condition of the old O-ring to support future compressor maintenance.
Related Components
| Component | Function |
|---|---|
| Ingersoll Rand 39253992 O-Ring | Seals a stationary compressor interface |
| Ingersoll Rand 95023388 O-Ring | Provides sealing at another compatible component interface |
| Ingersoll Rand 39454558 Gasket | Seals a flat stationary mating surface |
| Ingersoll Rand 89292445 Shaft Seal | Seals around the rotating shaft |
| Ingersoll Rand 89292478 Motor Shaft Sleeve | Provides the designated surface for the shaft sealing arrangement |
| Seal Housing | Supports associated sealing components |
| Fasteners | Maintain assembly compression |
| Lubrication Components | Manage lubricant circulation within the compressor |
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| Ingersoll Rand 47642697001 | Compressor Service Assembly | Maintenance of compatible compressor mechanical components |
| Ingersoll Rand 39253992 | O-Ring | Stationary compressor interface sealing |
| Ingersoll Rand 95023388 | O-Ring | Compressor mechanical sealing |
| Ingersoll Rand 39454558 | Gasket | Flat-surface compressor joint sealing |
| Ingersoll Rand 89292445 | Shaft Seal | Rotating shaft sealing service |
| Ingersoll Rand 89292478 | Motor Shaft Sleeve | Shaft and sealing assembly maintenance |
| Ingersoll Rand Screw Compressor Service Parts | Compressor Spare Parts | Preventive and corrective compressor maintenance |
Key Advantages
- Provides continuous sealing around a stationary compressor interface.
- Helps limit lubricant and fluid leakage through mating components.
- Fits within a dedicated sealing groove.
- Suitable for targeted compressor repair and overhaul work.
- Works together with other sealing components in the mechanical assembly.
Technical FAQs
What is the function of the Ingersoll Rand 47642697001 39253992 O-Ring?
The O-ring seals a stationary mating interface within a compatible compressor assembly. Compression between the groove and mating surface creates the contact needed to prevent fluid from passing through the joint.
How is an O-ring different from a flat gasket in compressor maintenance?
An O-ring normally sits inside a dedicated groove and seals through circumferential compression. A flat gasket is positioned between larger stationary mating faces and seals across the joint when compressed by the assembled components.
What can cause the 39253992 O-Ring to leak after replacement?
Common installation-related causes include twisting, pinching, incorrect seating, contamination, damaged sealing surfaces, groove damage, or uneven assembly. The surrounding components should be checked rather than assuming the new O-ring is defective.
What should be inspected when replacing the 39253992 O-Ring?
Inspect the sealing groove, mating surfaces, adjacent gaskets and seals, and the mechanical condition of the components being joined. Confirm that the O-ring is correctly positioned and that the assembled components apply even compression.