Introduction
The ALSTOM OPTIPOW 105 Air Cleaning Valve is a high-performance air cleaning valve designed for pulse jet dust collector systems. It is mainly used to deliver short, powerful bursts of compressed air to clean filter bags or cartridges in industrial dust collection equipment.
In industries such as power generation, cement manufacturing, steel production, mining, and biomass processing, maintaining efficient dust removal is essential. The OPTIPOW 105 valve helps improve filter cleaning efficiency, reduce pressure drop, and extend the service life of filter elements.
This article explains the working principle, internal components, and advantages of the ALSTOM OPTIPOW 105 pulse valve.
What Is an ALSTOM OPTIPOW 105 Air Cleaning Valve?
The ALSTOM OPTIPOW 105 is an air-operated pulse cleaning valve used in industrial dust collectors. It works by releasing a high-volume compressed air pulse at very high speed to remove accumulated dust from the surface of filter bags.
Unlike conventional solenoid valves, the OPTIPOW 105 uses a fast-response diaphragm and plunger mechanism to achieve efficient air release with minimal energy consumption.
A typical OPTIPOW 105 valve includes:
- Valve body
- Plunger assembly
- Membrane (diaphragm)
- Pilot valve
- Spring
- Sealing components
- Solenoid coil
Each component works together to control the rapid opening and closing of the compressed air flow.
Working Principle of ALSTOM OPTIPOW 105 Valve
The operation of the OPTIPOW 105 pulse valve can be divided into several steps.
Step 1: Compressed Air Storage
Before the cleaning cycle starts, compressed air is stored inside the air header or pressure tank connected to the pulse valve.
The pressure is balanced on both sides of the valve membrane, keeping the valve closed.
At this stage:
- The membrane seals the main air passage.
- The compressed air remains stored.
- No cleaning air is released.
Step 2: Electrical Signal Activates the Pilot Valve
During a cleaning cycle, the dust collector controller sends an electrical pulse signal to the solenoid coil.
The solenoid opens the pilot valve and releases pressure from the upper chamber of the OPTIPOW 105 valve.
This creates a pressure difference across the membrane.
Step 3: Membrane Opens Rapidly
Because the pressure above and below the membrane becomes unbalanced, the diaphragm moves upward.
The main valve opening is released.
This allows compressed air from the air reservoir to flow through the valve outlet at high velocity.
Step 4: High-Speed Air Pulse Cleans Filter Bags
The released compressed air enters the blow pipe and creates a powerful reverse airflow through the filter bags.
The sudden air impact causes:
- Dust particles to detach from the filter surface
- Filter resistance to decrease
- Airflow efficiency to recover
The entire cleaning pulse usually lasts only a fraction of a second.
Step 5: Valve Closes and Resets
After the electrical pulse ends:
- The pilot valve closes.
- Pressure returns to the upper chamber.
- The membrane moves back into position.
- The OPTIPOW 105 valve closes.
The valve is then ready for the next cleaning cycle.
Main Components and Their Functions
1. Valve Body
The valve body provides the main air passage and withstands continuous pressure cycles.
A strong valve body design ensures:
- Long operating life
- Reliable sealing
- Resistance to industrial environments
2. Plunger Assembly
The plunger is a critical moving component inside the valve.
Its function is to:
- Control airflow movement
- Assist rapid valve opening
- Maintain stable operation
A worn or damaged plunger may cause:
- Air leakage
- Weak cleaning pulses
- Continuous air blowing
For OPTIPOW 105 valves, the commonly replaced plunger is:
OPTIPOW 105 Plunger V3630527-0100
3. Membrane (Diaphragm)
The membrane controls the pressure balance inside the valve.
During operation, it moves rapidly between open and closed positions.
A damaged membrane can result in:
- Reduced cleaning performance
- Air leakage
- Valve failure
Regular inspection of the membrane is important for reliable dust collector operation.
4. Solenoid Pilot Valve
The pilot valve controls the opening signal.
It converts the electrical pulse from the dust collector controller into mechanical movement that opens the main valve.
Common problems include:
- Coil failure
- Incorrect voltage
- Pilot valve blockage
Advantages of ALSTOM OPTIPOW 105 Pulse Valve
1. Fast Response Time
The OPTIPOW 105 is designed for rapid opening and closing, providing strong cleaning pulses.
2. Efficient Dust Removal
High-speed compressed air improves filter cleaning efficiency and helps maintain stable airflow.
3. Reduced Compressed Air Consumption
Optimized valve design helps reduce unnecessary air usage compared with traditional cleaning valves.
4. Long Service Life
Durable internal components allow the valve to operate under demanding industrial conditions.
5. Easy Maintenance
Wear parts such as:
- Plunger
- Membrane
- Repair kits
can be replaced to restore valve performance.
Common Applications of OPTIPOW 105 Valve
The ALSTOM OPTIPOW 105 pulse valve is widely used in:
- Power plants
- Cement factories
- Steel mills
- Foundries
- Mining facilities
- Chemical plants
- Industrial dust collectors
It is especially suitable for systems requiring reliable and efficient pulse jet cleaning.
Common Problems and Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Valve does not operate | Solenoid failure or electrical problem | Check coil and signal |
| Continuous air leakage | Damaged membrane or sealing parts | Replace repair components |
| Weak cleaning pulse | Low air pressure or worn plunger | Check pressure and inspect parts |
| Slow valve response | Internal contamination | Clean valve components |
| Valve stuck open | Damaged diaphragm or spring | Replace damaged parts |
Maintenance Tips for OPTIPOW 105 Valve
To maintain reliable operation:
- Keep compressed air clean and dry
- Check air pressure regularly
- Inspect membranes and plungers periodically
- Replace worn sealing parts promptly
- Avoid contamination inside the valve
Proper maintenance can significantly extend the service life of the pulse valve and dust collector system.
Conclusion
The ALSTOM OPTIPOW 105 Air Cleaning Valve works by using a rapid pressure-control mechanism to release powerful compressed air pulses for dust filter cleaning. Through the cooperation of the membrane, plunger, and pilot valve, it provides fast and efficient cleaning performance for industrial dust collection systems.
Understanding how the OPTIPOW 105 valve works helps operators improve maintenance strategies, reduce downtime, and ensure stable operation of their dust removal equipment.
For applications requiring reliable pulse cleaning, the OPTIPOW 105 remains a widely used solution for industrial air filtration systems.
About us
At DUSTEK, we specialize in variety type of industrial valves, dust explosion protection devices and filter products specifically designed for the dust collection system. Our product range includes Alstom Optipow 105 and Optipow 135 plunger valves, pulse valve, sequential controller, rotary valve, explosion-isolation valve, spark arrestor, explosion-relief valve, spark alarm, flame arrestor, filter bag, filter cage, filter cartridge, all for the dust collection system.
We are providing one-stop solutions for the dust collection system.

