Description
| Parameter | Value |
| Product model | A413240 |
| Manufacturer | Metso |
| Product category | Digital Valve Positioner |
| Compatible valve type | Pneumatic actuated control valves |
| Control signal input | 4–20 mA analog signal (HART compatible) |
| Supply air pressure | 1.4–7.0 bar (20–100 psi) |
| Output pressure range | 0.2–1.0 bar to 0.4–2.0 bar (adjustable) |
| Communication protocol | HART 5 or HART 7 |
| Accuracy | ±0.5% of stroke |
| Repeatability | ±0.2% of stroke |
| Environmental protection | IP65 (NEMA 4X) |
| Operating temperature | -40°C to +80°C (-40°F to 176°F) |
| Mounting type | Direct mounting on pneumatic actuators (ISO 5211 compliant) |
| Display | Integrated local user interface (LUI) with push buttons and status indicators |
| Diagnostic capability | Full self-diagnostics, valve health monitoring, travel counter, partial stroke testing |
Product introduction
The Metso A413240 is a high-precision digital valve positioner designed for accurate and reliable control of pneumatic control valves in demanding industrial environments. As part of Metso’s advanced valve automation portfolio, the A413240 ensures optimal process performance by precisely positioning the valve stem or shaft in response to 4–20 mA control signals, making it a critical component in process control loops across oil & gas, mining, pulp & paper, and chemical industries.
Engineered for robustness and intelligence, the Metso A413240 integrates HART communication for remote configuration, calibration, and diagnostics, enabling seamless integration into modern control systems such as DCS and asset management platforms. Its rugged construction and wide operating temperature range make it suitable for both indoor and outdoor installations, including hazardous and extreme climatic conditions. The A413240 supports predictive maintenance strategies through real-time monitoring of valve performance, reducing unplanned downtime and extending equipment life.
METSO A413240
Core advantages and technical highlights
Precision control and fast response:
The Metso A413240 delivers ±0.5% accuracy and ±0.2% repeatability, ensuring consistent valve positioning even under fluctuating process conditions. Its advanced PID control algorithm and high-speed I/P converter allow rapid response to control signals, minimizing process deviation and improving loop stability. This level of precision is essential in applications requiring tight regulation of flow, pressure, or temperature.
Smart diagnostics and predictive maintenance:
Equipped with comprehensive self-diagnostics, the A413240 continuously monitors valve friction, stem wear, actuator leakage, and supply pressure. It supports partial stroke testing (PST), allowing users to verify valve functionality without taking the process offline. These features enable early detection of potential failures, reducing maintenance costs and enhancing safety in critical shutdown and control applications.
Robust design and environmental resilience:
Housed in a corrosion-resistant, IP65-rated enclosure, the Metso A413240 withstands dust, moisture, and harsh industrial environments. It operates reliably from -40°C to +80°C, making it ideal for arctic, desert, and offshore installations. The positioner’s sealed design prevents ingress of contaminants, ensuring long-term reliability with minimal maintenance.
Ease of setup and integration:
The A413240 features an intuitive local user interface (LUI) with push buttons and LED indicators for quick commissioning and troubleshooting. It supports HART 5 and HART 7 protocols, enabling remote configuration via handheld communicators or control system software. Auto-calibration functionality simplifies setup, reducing engineering time and human error during installation.
Typical application scenarios
The Metso A413240 is widely used in critical process control applications where reliability and precision are paramount. In oil and gas production facilities, it controls wellhead chokes, separator level valves, and flare gas regulators, ensuring safe and efficient operation under high-pressure conditions. Its HART communication capability allows integration with central control rooms for real-time monitoring and remote adjustments.
In mineral processing plants, the A413240 regulates slurry flow in grinding circuits, flotation cells, and thickener feed systems. Its ability to handle high-friction valves and resist clogging makes it ideal for abrasive and corrosive media. The built-in diagnostics help maintenance teams identify wear trends before catastrophic failure occurs.
The Metso A413240 is also deployed in power generation stations to manage steam and feedwater control valves, where precise positioning ensures boiler efficiency and thermal stress management. In chemical processing, it controls reactor feed and pressure relief valves, contributing to process safety and product consistency. Its compatibility with safety instrumented systems (SIS) makes it suitable for applications requiring SIL 2 or SIL 3 compliance when used in appropriate configurations.
Related model recommendations
A413250: Upgraded version withFOUNDATION Fieldbus or PROFIBUS PA communication options, ideal for digital fieldbus-based automation systems.
A413140: Compact variant of the A413 series, suitable for smaller actuators and space-constrained installations.
ND900: A more advanced Metso digital positioner with enhanced diagnostics, wireless connectivity (WirelessHART), and higher accuracy for mission-critical applications.
A413241: Similar to A413240, but configured for fail-safe action with dual solenoid integration.
T6100: Smart temperature transmitter from Metso, often used alongside A413240 in process monitoring loops.
VA500: Pneumatic actuator series designed for optimal pairing with the A413240 for complete valve automation solutions.
475 Field Communicator: Handheld device used to configure, calibrate, and troubleshoot the A413240 in the field.
METSO A413240
Installation, commissioning and maintenance instructions
Installation preparation:
Before installing the Metso A413240, ensure the control valve and actuator are de-energized and depressurized. Mount the positioner directly onto the actuator yoke using ISO 5211 compliant brackets, ensuring mechanical linkage is free of backlash. Connect the 4–20 mA signal wires to the designated terminals, observing correct polarity. Supply clean, dry instrument air (1.4–7.0 bar) through a filter-regulator-lubricator (FRL) unit. Verify all pneumatic tubing is leak-free and properly secured.
Maintenance suggestions:
Perform periodic visual inspections of the A413240 for signs of corrosion, moisture ingress, or mechanical damage. Use a HART communicator to review diagnostic logs and verify calibration status every 6–12 months. Conduct partial stroke tests during scheduled shutdowns to assess valve health without disrupting the process. Replace seals and filters as recommended by the maintenance schedule. Keep firmware updated to benefit from performance improvements and new diagnostic features.
