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- Ingersoll Rand
- 47704439001 23708423
- Air-oil separator
- USA
- 240 mm
- 4.9 kg
- Xiamen, China
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Product Overview
The Ingersoll Rand 47704439001 / 23708423 Air-Oil Separator is a premium oil separator element designed for Ingersoll Rand rotary screw air compressors. As one of the most critical maintenance components in an oil-injected compressor, it efficiently separates lubricating oil from compressed air before the air enters the downstream piping system. This process helps ensure a clean compressed air supply while maximizing lubricant recovery and reducing compressor operating costs.
Engineered with advanced multi-layer coalescing filtration media, the 23708423 Air-Oil Separator captures microscopic oil aerosols generated during the compression process. The separated lubricant is returned to the compressor lubrication circuit, while clean compressed air continues through the discharge system. This highly efficient separation process minimizes oil carryover, protects downstream pneumatic equipment, and improves the overall efficiency of the compressed air system.
The separator also plays an essential role in maintaining stable compressor pressure, reducing pressure loss, lowering energy consumption, and extending the service life of internal compressor components. Proper separator performance contributes to improved reliability, reduced maintenance requirements, and lower total operating costs.
With an outer diameter of 240 mm and an approximate weight of 4.9 kg, the Ingersoll Rand 47704439001 / 23708423 Air-Oil Separator is suitable for scheduled preventive maintenance in industrial compressed air systems operating under continuous-duty conditions.
Typical applications include manufacturing plants, automotive production, mining operations, food and beverage processing, pharmaceutical manufacturing, chemical processing, textile production, woodworking facilities, metal fabrication workshops, and general industrial compressed air installations.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Ingersoll Rand |
| Part Number | 47704439001 / 23708423 |
| Product Type | Air-Oil Separator |
| Primary Function | Oil Separation from Compressed Air |
| Separation Technology | Multi-Layer Coalescing Filtration |
| Installation Position | Separator Tank / Compressor Oil Separator Housing |
| Compatible Equipment | Oil-Injected Rotary Screw Air Compressors |
| Oil Recovery | Internal Lubrication Return |
| Filtration Target | Oil Aerosols and Lubricant Mist |
| Maintenance Type | Preventive Replacement |
| Outer Diameter | 240 mm |
| Weight | Approximately 4.9 kg |
| Typical Application | Industrial Compressed Air Systems |
Function and Working Principle
The Ingersoll Rand 47704439001 / 23708423 Air-Oil Separator separates lubricating oil from compressed air immediately after the compression stage.
Typical Compression Process
Ambient Air
↓
Air Filter
↓
Airend
↓
Air-Oil Mixture
↓
23708423 Air-Oil Separator
↓
Clean Compressed Air
↓
Plant Air Distribution System
During normal operation, the separator performs several important functions:
- Separates lubricating oil from compressed air
- Returns recovered oil to the lubrication circuit
- Minimizes oil carryover
- Reduces downstream contamination
- Maintains compressor efficiency
- Stabilizes discharge pressure
- Lowers differential pressure
- Protects pneumatic equipment
The separator uses coalescing filtration technology to merge microscopic oil droplets into larger droplets, allowing gravity to return the lubricant to the oil sump while clean compressed air exits the separator vessel.
Role in Industrial Air Compressor Systems
The 47704439001 / 23708423 Air-Oil Separator is one of the key components responsible for maintaining clean compressed air and efficient compressor operation.
Its primary functions include:
- Oil aerosol separation
- Lubricant recovery
- Pressure stabilization
- Reduced oil consumption
- Improved air quality
- Lower operating costs
- Protection of downstream equipment
- Extended compressor service life
A properly functioning separator contributes directly to compressor reliability and energy efficiency.
Industrial Applications
Manufacturing Facilities
Common applications include:
- Automated production lines
- CNC machining centers
- Assembly plants
- Metal fabrication workshops
- Industrial manufacturing facilities
Automotive Industry
Widely used in:
- Vehicle assembly plants
- Robotic welding systems
- Paint shops
- Engine production
- Component manufacturing
Food and Beverage Processing
Suitable for:
- Beverage production
- Food packaging
- Bottling plants
- Processing facilities
- Clean compressed air systems
Pharmaceutical Manufacturing
Ideal for:
- Pharmaceutical production
- Laboratory compressed air
- Packaging operations
- Controlled manufacturing environments
- Process equipment
Mining and Heavy Industry
Frequently installed in:
- Mining operations
- Cement plants
- Steel manufacturing
- Aggregate processing
- Heavy industrial equipment
Textile and Woodworking Industries
Applied in:
- Textile production
- Furniture manufacturing
- Wood processing plants
- Paper mills
- Industrial finishing operations
Installation and Maintenance
Routine replacement of the air-oil separator helps maintain compressor efficiency and compressed air quality.
Before installation, technicians should verify:
- Correct replacement part number
- Separator housing cleanliness
- Oil system condition
- Sealing gasket integrity
- Compressor operating hours
- Differential pressure readings
- Oil quality
- Maintenance schedule
Recommended Replacement Procedure
- Shut down the compressor.
- Disconnect electrical power.
- Relieve internal system pressure.
- Drain residual oil if required.
- Open the separator housing.
- Remove the used separator element.
- Clean the separator vessel.
- Inspect sealing surfaces.
- Install the new separator element.
- Replace sealing gaskets if necessary.
- Reassemble the housing.
- Restore oil level.
- Restart the compressor.
- Check for oil leakage and pressure stability.
- Record the maintenance interval.
Following the recommended maintenance schedule helps maintain efficient oil separation and extends compressor service life.
Compatible System Components
| Component | Function |
|---|---|
| Air Filter | Intake air filtration |
| Intake Valve | Airflow regulation |
| Airend | Air compression |
| Air-Oil Separator | Oil separation |
| Oil Filter | Lubricant filtration |
| Minimum Pressure Valve | Pressure regulation |
| Oil Cooler | Lubricant cooling |
| Compressor Controller | System monitoring |
| Cooling Fan | Heat dissipation |
| Rotary Screw Air Compressor | Compressed air generation |
Recommended Alternative Models
| Model | Product Type | Typical Application |
|---|---|---|
| 47704439001 / 23708423 | Air-Oil Separator | Rotary screw air compressors |
| 24900433 | Oil Filter | Lubrication system protection |
| 47557738001 | Air Filter | Compressor intake filtration |
| 47569978001 | Gasket Pre-Filter | Primary intake filtration |
| Temperature Control Valve Repair Kit | Maintenance Kit | Preventive compressor maintenance |
Key Advantages
- High-efficiency oil separation technology
- Low oil carryover performance
- Excellent lubricant recovery efficiency
- Stable compressor operating pressure
- Reduced differential pressure
- Improved compressed air quality
- Lower compressor operating costs
- Long service life
- Easy preventive maintenance replacement
- Suitable for continuous industrial operation
- Outer diameter: 240 mm
- Approximate weight 4.9 kg
Technical FAQs
What is the Ingersoll Rand 47704439001 / 23708423?
The 47704439001 / 23708423 is a high-efficiency air-oil separator designed for oil-injected rotary screw air compressors.
What is the primary function of this separator?
Its primary function is to remove lubricating oil from compressed air while returning the recovered oil to the compressor lubrication system.
How does an air-oil separator work?
The separator uses coalescing filtration media to capture microscopic oil droplets, allowing the lubricant to collect and return to the oil circuit while clean compressed air exits the separator.
What is the outer diameter of the separator?
The separator has an outer diameter of 240 mm.
What is the approximate weight?
The separator weighs approximately 4.9 kg.
Why is oil separation important?
Efficient oil separation improves compressed air quality, reduces oil consumption, protects downstream pneumatic equipment, and enhances overall compressor efficiency.
What happens if the separator becomes clogged?
A clogged separator increases differential pressure, raises energy consumption, reduces compressor performance, and may increase oil carryover into the compressed air system.
Where is this separator commonly used?
It is widely used in manufacturing plants, automotive production, food processing, pharmaceutical facilities, mining operations, woodworking factories, textile mills, and general industrial compressed air systems.
When should the separator be replaced?
Replacement should be carried out according to the compressor manufacturer’s preventive maintenance schedule or whenever differential pressure exceeds the recommended limit.
Why is preventive separator maintenance important?
Routine replacement helps maintain clean compressed air, reduces operating costs, improves compressor efficiency, protects internal components, and extends overall equipment service life.
Conclusion
The Ingersoll Rand 47704439001 / 23708423 Air-Oil Separator is a high-performance oil separation element developed for industrial rotary screw air compressors. By efficiently separating lubricant from compressed air and returning recovered oil to the lubrication system, it supports cleaner compressed air, improved energy efficiency, and dependable long-term compressor operation.
With an outer diameter of 240 mm and an approximate weight of 4.9 kg, the 47704439001 / 23708423 Air-Oil Separator is an excellent choice for preventive maintenance programs across demanding industrial environments. When integrated with compatible air filters, oil filters, intake valves, airends, cooling systems, and compressor controllers, it contributes to reliable compressed air production, lower maintenance costs, and extended compressor service life.