Introduction
The ALSTOM OPTIPOW 105 pulse valve is a compact piston-type pulse jet valve widely used in industrial dust collection systems, especially in Optipulse fabric filters and baghouse dust collectors. Due to its high cleaning efficiency, fast response time, and compact design, the OPTIPOW 105 has been installed in many demanding applications such as power plants, cement factories, steel plants, and mining industries. So it’s quite vital to know how to do a OPTIPOW 105 replacement in the working plant.
However, after years of continuous operation, pulse solenoid valves may experience wear, air leakage, reduced cleaning performance, or complete failure. When this happens, replacing the OPTIPOW 105 valve with a reliable replacement unit is essential to maintain dust collector efficiency and reduce downtime.
This guide explains how to identify, select, and replace an ALSTOM OPTIPOW 105 pulse valve.
What Is an ALSTOM OPTIPOW 105 Pulse Valve?
The OPTIPOW 105 is a piston-type pulse jet cleaning valve designed for fabric filter systems. Unlike traditional diaphragm pulse valves, the OPTIPOW design uses a plunger/piston structure to generate a powerful cleaning air pulse.
The number “105” refers to the approximate piston diameter of the valve.
Common OPTIPOW 105 part numbers include:
- V1585320 – Valve body / piston valve assembly
- V3630501 – Pilot cover assembly
- V1617803-0100 – Complete valve assembly (24V DC)
- V4549902-0100 – Pilot membrane
- V3630527-0100 – Plunger
The valve is normally designed for operation with compressed air systems up to approximately 6 bar and is commonly installed on circular pressure tanks in dust collectors.
When Should You Replace an OPTIPOW 105 Valve?
A pulse valve should be replaced when one or more of the following problems occur:
1. Continuous Air Leakage
A damaged piston seal, worn O-ring, or defective pilot assembly can cause compressed air leakage.
Symptoms:
- Constant air escaping from the valve
- Increased compressor load
- Higher operating costs
2. Weak Cleaning Performance
If the dust collector bags cannot be cleaned effectively, possible causes include:
- Reduced pulse air pressure
- Valve opening delay
- Damaged internal components
- Blocked air passages
A weak pulse cleaning effect can lead to:
- Higher differential pressure
- Reduced airflow
- Increased energy consumption
3. Valve Does Not Open
Common reasons include:
- Solenoid valve failure
- Damaged pilot diaphragm
- Internal piston sticking
- Electrical control problems
How to Identify the Correct OPTIPOW 105 Replacement Valve
Before ordering a replacement, check the following information:
1. Check the Valve Model
Look for markings on the valve body or nameplate.
Common identification:
| Model | Description |
|---|---|
| OPTIPOW 105 | Piston pulse valve |
| V1585320 | Valve body model |
| V1617803 | Complete valve assembly |
2. Confirm Voltage Specification
The solenoid coil voltage must match your dust collector control system.
Common versions include:
- 24V DC
- 110V AC
- 120V AC
- 220V AC
For example, OPTIPOW 105 complete assemblies are available with different voltage configurations, including 24V DC and 220V versions.
3. Check Installation Position
The OPTIPOW valve is normally installed vertically. If horizontal installation is required, additional design considerations may be needed to ensure correct piston movement.
OPTIPOW 105 Replacement Procedure
Step 1: Shut Down the Dust Collector
Before replacing the valve:
- Turn off electrical power
- Close compressed air supply
- Release pressure from the air tank
Never remove a pulse valve while the pressure vessel is pressurized.
Step 2: Remove the Old Valve
Carefully:
- Disconnect the solenoid wiring
- Remove the fixing bolts
- Take out the old OPTIPOW valve
- Inspect the mounting surface
Check that no dust, moisture, or foreign materials enter the pressure tank.
Step 3: Install the New OPTIPOW 105 Replacement Valve
During installation:
- Check the O-ring condition
- Keep sealing surfaces clean
- Install bolts evenly in a cross pattern
- Ensure the plunger moves freely
Proper installation is important because damaged seals or incorrect positioning may cause leakage.
Step 4: Test the Valve Operation
After installation:
- Restore compressed air supply
- Check for air leakage
- Activate the pulse cleaning system
- Observe the cleaning pulse performance
A properly installed valve should provide a strong and fast cleaning pulse.
OPTIPOW 105 Replacement Parts
For maintenance, many users replace individual components instead of the complete valve.
Common spare parts include:
| Part | Function |
|---|---|
| Pilot membrane | Controls pilot air release |
| O-ring | Provides sealing |
| Plunger | Controls main air flow |
| Solenoid valve | Electrical control |
| Rubber disc | Sealing element |
Regular inspection of these parts can extend valve service life and reduce unexpected downtime.
Why Choose a High-Quality OPTIPOW 105 Replacement Valve?
A reliable replacement valve should provide:
1. Stable Cleaning Performance
A high-quality piston design ensures fast opening and closing, delivering strong pulse air output.
2. Long Service Life
Precision machining and durable sealing materials help reduce:
- Leakage
- Wear
- Maintenance frequency
3. Easy Installation
A direct replacement design allows quick installation without modifying the dust collector system.
OPTIPOW 105 Replacement vs Traditional Diaphragm Pulse Valve
| Feature | OPTIPOW 105 | Traditional Diaphragm Valve |
|---|---|---|
| Valve Type | Piston / plunger type | Diaphragm type |
| Response Speed | Fast | Medium |
| Compact Design | Excellent | Larger |
| Cleaning Efficiency | High | High |
| Maintenance | Simple | Requires diaphragm replacement |
OPTIPOW valves are designed specifically for fabric filter cleaning systems where compact size and strong pulse performance are important.
Conclusion
The ALSTOM OPTIPOW 105 pulse valve is a critical component in industrial dust collection systems. When the original valve becomes worn or damaged, selecting the correct replacement model is essential for maintaining efficient bag cleaning performance.
Before replacement, always confirm:
- Valve model
- Voltage specification
- Installation type
- Spare part compatibility
A properly selected OPTIPOW 105 replacement valve can help reduce maintenance costs, improve dust collector efficiency, and extend the service life of your filtration system.
You can find more details on our Optipow 105 valves @ https://dustvalve.com/product/alstom-optipow-105-valve

