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- ABB
- V18345-7020421001
- Valve Positioner
- Sweden (SE)
- 168.5 × 101 × 114.5 mm
- 1.7 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
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- 24-Hour Service
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
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All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The ABB V18345-7020421001 Valve Positioner is an intelligent electro-pneumatic control device designed to provide accurate and reliable positioning control for pneumatic valves used in industrial automation and process control systems.
The valve positioner receives control signals from automation systems such as PLC, DCS, or industrial controllers and converts these signals into precise pneumatic output adjustments. By continuously monitoring valve position feedback and correcting positioning errors, it ensures stable valve operation and accurate process regulation.
The ABB V18345-7020421001 Valve Positioner features a compact industrial design with dimensions of 168.5 × 101 × 114.5 mm and a weight of 1.7 kg, making it suitable for actuator-mounted installation in various industrial valve control applications.
This valve positioner is commonly applied in industries where accurate control of flow, pressure, temperature, and process media is required.
Typical applications include:
- Oil and gas processing systems
- Chemical and petrochemical plants
- Power generation facilities
- Water treatment systems
- Industrial process automation
- Steam and fluid control applications
- Manufacturing automation equipment
Technical Specifications
| Parameter | Description |
|---|---|
| Manufacturer | ABB |
| Model | V18345-7020421001 |
| Product Type | Valve Positioner |
| Control Technology | Electro-pneumatic positioning |
| Dimensions | 168.5 × 101 × 114.5 mm |
| Weight | 1.7 kg |
| Installation Type | Actuator-mounted installation |
| Application | Pneumatic control valve regulation |
| Control System Compatibility | PLC / DCS automation systems |
Working Principle
The ABB V18345-7020421001 Valve Positioner uses a closed-loop control method to achieve precise valve positioning.
The operating process includes:
- The control system sends a target valve position command.
- The positioner receives and analyzes the input signal.
- The internal controller compares the desired position with the actual valve position.
- The pneumatic output pressure is adjusted automatically.
- The actuator moves the valve to the required position.
- The feedback system continuously monitors movement and corrects deviations.
This closed-loop operation improves valve accuracy, response speed, and process stability.
Main Features
1. Accurate Valve Position Control
The ABB V18345-7020421001 provides precise control of pneumatic actuator movement.
Key advantages:
- High positioning accuracy
- Reduced valve adjustment errors
- Stable process operation
- Improved control response
Accurate valve positioning helps maintain consistent production conditions and improves automation efficiency.
2. Intelligent Commissioning and Adjustment
The valve positioner simplifies installation and startup procedures through intelligent adjustment capabilities.
Benefits include:
- Easier configuration
- Reduced commissioning time
- Improved valve adaptation
- Enhanced system reliability
This makes it suitable for applications requiring efficient maintenance and operation.
3. Compact Industrial Structure
With dimensions of 168.5 × 101 × 114.5 mm, the ABB V18345-7020421001 offers a space-efficient design for industrial installations.
Advantages:
- Compact mounting size
- Easy actuator integration
- Convenient maintenance access
- Reliable mechanical performance
The compact structure allows installation in different operating environments.
4. Stable Pneumatic Performance
The positioner provides accurate pneumatic output control for valve actuators.
Main benefits:
- Smooth actuator movement
- Stable valve response
- Reduced valve oscillation
- Improved process control accuracy
It supports continuous operation in demanding industrial conditions.
5. Industrial Automation Compatibility
The ABB V18345-7020421001 can be integrated into modern industrial control architectures.
Common systems include:
- PLC automation systems
- DCS control platforms
- Process instrumentation systems
- Industrial monitoring systems
Industrial Applications
Oil and Gas Industry
The valve positioner supports reliable valve regulation in oil and gas facilities.
Applications:
- Pipeline control valves
- Pressure regulation systems
- Gas processing equipment
- Refinery automation
Accurate valve control improves operational safety and production efficiency.
Chemical and Petrochemical Industry
Chemical processing requires precise control of fluids and process conditions.
Applications:
- Reactor valve control
- Flow regulation systems
- Pressure adjustment equipment
- Chemical production lines
The positioner helps maintain stable process parameters.
Power Generation Industry
Power plants use valve positioners for controlling steam, water, and auxiliary systems.
Applications:
- Steam regulation valves
- Boiler control systems
- Cooling systems
- Turbine auxiliary equipment
Reliable valve operation improves plant efficiency and equipment protection.
Water Treatment Industry
The ABB valve positioner is suitable for automated water processing systems.
Applications:
- Flow control
- Pumping systems
- Chemical dosing equipment
- Water distribution systems
Installation Guide
Mechanical Installation
Recommended installation steps:
- Verify the ABB V18345-7020421001 model.
- Check actuator and valve compatibility.
- Mount the positioner securely on the actuator.
- Install the feedback linkage correctly.
- Confirm valve travel movement.
- Ensure proper mechanical alignment.
Correct mechanical installation is essential for accurate valve positioning.
Pneumatic Installation
Before operation:
- Check compressed air quality.
- Verify pneumatic supply pressure.
- Connect air tubing correctly.
- Inspect fittings for leakage.
Recommended practices:
- Use clean and dry instrument air.
- Keep pneumatic lines free from contamination.
- Confirm actuator response before commissioning.
Electrical Installation
Electrical connection steps:
- Connect the control signal wiring.
- Verify terminal connections.
- Check grounding requirements.
- Confirm signal stability.
- Test communication with the control system.
Proper electrical installation ensures reliable positioner operation.
Commissioning Procedure
Recommended commissioning sequence:
- Install the ABB V18345-7020421001 correctly.
- Connect pneumatic and electrical systems.
- Perform valve calibration.
- Check valve travel range.
- Verify feedback accuracy.
- Test automatic positioning.
- Confirm PLC/DCS control response.
A correct commissioning process improves long-term system stability.
Common Faults and Troubleshooting
| Fault Symptom | Possible Cause | Recommended Solution |
|---|---|---|
| Valve does not move | Incorrect control signal | Check input wiring and signal source |
| Slow valve response | Low air pressure | Check pneumatic supply |
| Position deviation | Incorrect calibration | Perform recalibration |
| Valve position instability | Feedback linkage issue | Inspect mechanical connection |
| Air leakage | Damaged tubing or fittings | Repair pneumatic connections |
| No actuator output | Internal pneumatic problem | Inspect positioner operation |
Maintenance Recommendations
To ensure reliable operation:
- Check instrument air quality regularly
- Inspect pneumatic tubing and connections
- Verify valve calibration
- Monitor feedback signals
- Check mounting condition
- Perform periodic functional testing
Regular maintenance reduces downtime and improves equipment service life.
Advantages of ABB V18345-7020421001 Valve Positioner
- High-precision valve positioning
- Intelligent electro-pneumatic control
- Compact industrial design
- Reliable actuator regulation
- Easy installation and commissioning
- Suitable for PLC and DCS systems
- Stable process control performance
- Designed for industrial automation applications
Frequently Asked Questions
What is ABB V18345-7020421001?
The ABB V18345-7020421001 is an intelligent valve positioner designed for accurate control of pneumatic valves in industrial automation systems.
What is the main function of ABB V18345-7020421001?
It converts control signals into pneumatic actuator movement to achieve precise valve positioning.
Where is ABB V18345-7020421001 used?
It is commonly used in oil and gas, chemical, power generation, water treatment, and industrial process automation applications.
What are the dimensions of ABB V18345-7020421001?
The dimensions are 168.5 × 101 × 114.5 mm.
What is the weight of ABB V18345-7020421001?
The weight is 1.7 kg.
Conclusion
The ABB V18345-7020421001 Valve Positioner is a reliable and accurate solution for pneumatic valve control in industrial automation systems.
With its intelligent positioning capability, compact structure, and stable electro-pneumatic performance, it helps improve process control accuracy, reduce maintenance requirements, and enhance overall system reliability.
The ABB V18345-7020421001 Valve Positioner is an ideal choice for industrial applications requiring precise valve regulation, dependable operation, and efficient process automation.