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- Ingersoll Rand
- 47704439001 47690462001
- Minimum Pressure Valve Kit
- USA
- 100 × 15 × 80 mm
- 0.1 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Ingersoll Rand 47704439001 / 47690462001 Minimum Pressure Valve Kit is a genuine industrial compressor maintenance kit designed for servicing the minimum pressure valve (MPV) used in Ingersoll Rand oil-injected rotary screw air compressors. The kit contains the essential sealing and wear components required to restore the operating performance of the minimum pressure valve, ensuring stable system pressure, reliable oil circulation, and efficient compressor operation.
The minimum pressure valve is one of the most important control components in a rotary screw air compressor. It maintains a preset minimum internal pressure inside the separator vessel during compressor operation, allowing the lubrication system to function correctly while preventing excessive pressure loss during start-up and low-load conditions. Over time, internal seals, springs, and valve components are subject to wear caused by continuous pressure cycles, high temperatures, oil contamination, and normal mechanical aging.
The 47690462001 Minimum Pressure Valve Kit provides replacement components that help restore proper valve sealing and pressure regulation without replacing the complete valve assembly. Scheduled maintenance using this kit helps improve compressor efficiency, reduce energy consumption, maintain stable compressed air delivery, and extend the service life of major compressor components.
With compact dimensions of 100 × 15 × 80 mm and an approximate weight of 0.1 kg, the maintenance kit is easy to store, transport, and install during routine preventive maintenance.
Typical applications include manufacturing facilities, automotive production lines, mining operations, food and beverage processing, pharmaceutical manufacturing, chemical plants, metal fabrication workshops, woodworking factories, textile mills, and other industrial compressed air systems using Ingersoll Rand rotary screw compressors.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Ingersoll Rand |
| Part Number | 47704439001 / 47690462001 |
| Product Type | Minimum Pressure Valve Kit |
| Primary Function | Minimum Pressure Valve Maintenance |
| Application | Rotary Screw Air Compressors |
| Installation Position | Minimum Pressure Valve Assembly |
| Maintenance Type | Preventive Repair Kit |
| Function | Pressure Regulation Restoration |
| Compatible System | Oil-Injected Rotary Screw Compressors |
| Service Purpose | Valve Wear Component Replacement |
| Dimensions | 100 × 15 × 80 mm |
| Weight | Approximately 0.1 kg |
| Typical Application | Industrial Compressed Air Systems |
Function and Working Principle
The Ingersoll Rand 47690462001 Minimum Pressure Valve Kit is used to restore the operating condition of the compressor minimum pressure valve by replacing worn sealing and internal valve components.
Typical Compressor Airflow Process
Ambient Air
↓
Air Filter
↓
Airend
↓
Air-Oil Separator
↓
Minimum Pressure Valve
↓
Aftercooler
↓
Compressed Air Distribution System
During normal compressor operation, the minimum pressure valve performs several essential functions:
- Maintains minimum separator vessel pressure
- Ensures proper oil circulation
- Supports effective oil separation
- Prevents premature discharge during start-up
- Stabilizes compressor operation
- Improves system efficiency
- Protects internal compressor components
- Reduces pressure fluctuations
The repair kit restores these functions by replacing components that have deteriorated through normal service, allowing the valve to regulate pressure accurately once again.
Role in Industrial Air Compressor Systems
The 47690462001 Minimum Pressure Valve Kit plays an important role in maintaining reliable compressor performance.
Its primary benefits include:
- Restores minimum pressure valve operation
- Maintains stable separator pressure
- Improves lubrication efficiency
- Supports effective oil recovery
- Reduces compressed air pressure instability
- Improves compressor reliability
- Extends valve service life
- Reduces maintenance costs
A properly functioning minimum pressure valve contributes directly to efficient compressor performance and dependable compressed air production.
Industrial Applications
Manufacturing Facilities
Commonly used in:
- Assembly plants
- CNC machining centers
- Automated production lines
- Metal fabrication workshops
- General manufacturing facilities
Automotive Industry
Suitable for:
- Vehicle assembly plants
- Robotic welding systems
- Engine production
- Paint shops
- Component manufacturing
Food and Beverage Processing
Installed in:
- Beverage production facilities
- Food packaging plants
- Bottling lines
- Processing equipment
- Clean compressed air systems
Pharmaceutical Industry
Ideal for:
- Pharmaceutical manufacturing
- Laboratory compressed air systems
- Packaging operations
- Controlled production environments
- Process automation equipment
Mining and Heavy Industry
Widely used in:
- Mining operations
- Cement plants
- Steel production
- Heavy industrial equipment
- Aggregate processing facilities
Woodworking and Textile Industries
Frequently applied in:
- Furniture manufacturing
- Wood processing plants
- Textile production
- Paper mills
- Industrial finishing systems
Installation and Maintenance
Routine maintenance of the minimum pressure valve helps maintain compressor efficiency and reliable pressure regulation.
Before installation, technicians should verify:
- Correct replacement kit number
- Valve housing condition
- Internal valve cleanliness
- Oil quality
- Spring condition
- Sealing surface integrity
- Compressor operating hours
- Maintenance schedule
Recommended Replacement Procedure
- Shut down the compressor.
- Disconnect electrical power.
- Release all internal pressure.
- Remove the minimum pressure valve assembly.
- Disassemble the valve carefully.
- Remove worn seals and internal components.
- Clean all valve parts thoroughly.
- Install the new components from the repair kit.
- Reassemble the valve.
- Reinstall the valve assembly.
- Restore system pressure.
- Start the compressor.
- Verify stable operating pressure.
- Inspect for leaks.
- Record the maintenance activity.
Following a preventive maintenance schedule helps maximize compressor reliability while minimizing unexpected downtime.
Compatible System Components
| Component | Function |
|---|---|
| Air Filter | Intake air filtration |
| Intake Valve | Airflow control |
| Airend | Air compression |
| Air-Oil Separator | Oil separation |
| Minimum Pressure Valve | Pressure regulation |
| Oil Filter | Lubrication filtration |
| Temperature Control Valve | Oil temperature regulation |
| Compressor Controller | System monitoring |
| Cooling System | Heat dissipation |
| Rotary Screw Air Compressor | Compressed air generation |
Recommended Alternative Models
| Model | Product Type | Typical Application |
|---|---|---|
| 47704439001 / 47690462001 | Minimum Pressure Valve Kit | Pressure valve maintenance |
| 23708423 | Air-Oil Separator | Oil separation |
| 24900433 | Oil Filter | Lubrication system |
| 47557738001 | Air Filter | Intake air filtration |
| 47569978001 | Gasket Pre-Filter | Primary intake filtration |
Key Advantages
- Restores minimum pressure valve performance
- Supports stable compressor operating pressure
- Improves lubrication system efficiency
- Maintains effective oil separation
- Reduces compressor energy consumption
- Extends valve service life
- Minimizes unexpected downtime
- Easy preventive maintenance installation
- Durable industrial-quality replacement components
- Suitable for continuous-duty compressor systems
- Dimensions 100 × 15 × 80 mm
- Approximate weight 0.1 kg
Technical FAQs
What is the Ingersoll Rand 47704439001 / 47690462001?
The 47704439001 / 47690462001 is a minimum pressure valve repair kit designed for servicing the minimum pressure valve used in Ingersoll Rand rotary screw air compressors.
What is the primary function of the minimum pressure valve?
Its primary function is to maintain the minimum internal pressure required for proper lubrication, oil separation, and stable compressor operation.
Why is this repair kit important?
The kit replaces worn seals and internal valve components, restoring proper pressure regulation without replacing the complete valve assembly.
What are the dimensions of the maintenance kit?
The kit measures 100 × 15 × 80 mm.
What is the approximate weight?
The maintenance kit weighs approximately 0.1 kg.
Which compressor systems use this kit?
The kit is designed for compatible Ingersoll Rand oil-injected rotary screw air compressors equipped with a minimum pressure valve.
What happens if the minimum pressure valve fails?
A faulty valve may cause unstable discharge pressure, poor oil circulation, reduced oil separation efficiency, increased energy consumption, and lower compressor performance.
When should this kit be installed?
It should be installed during scheduled preventive maintenance or whenever inspection indicates wear, leakage, or improper valve operation.
Where is this kit commonly used?
It is widely used in manufacturing plants, automotive production, mining operations, food processing, pharmaceutical facilities, chemical plants, woodworking factories, textile mills, and other industrial compressed air applications.
Why is preventive maintenance important?
Regular replacement of valve wear components helps maintain reliable pressure regulation, improves compressor efficiency, protects internal components, reduces maintenance costs, and extends equipment service life.
Conclusion
The Ingersoll Rand 47704439001 / 47690462001 Minimum Pressure Valve Kit is a reliable maintenance solution designed to restore the performance of minimum pressure valves used in rotary screw air compressors. By replacing critical wear components, the kit helps maintain stable separator pressure, efficient lubrication, reliable oil separation, and consistent compressed air delivery.
With compact dimensions of 100 × 15 × 80 mm and an approximate weight of 0.1 kg, the 47704439001 / 47690462001 Minimum Pressure Valve Kit is an ideal component for preventive maintenance programs across a wide range of industrial applications. When used together with compatible air filters, oil filters, air-oil separators, temperature control valves, compressor controllers, and rotary screw compressor systems, it supports dependable operation, improved energy efficiency, reduced downtime, and long-term equipment reliability.