The METSO A41300 functions as a smart electro-pneumatic positioner, designed to convert electrical control signals (typically 4-20mA or digital commands) into precise pneumatic pressure outputs that regulate valve stem position. Its core strength lies in its ability to continuously monitor and adjust valve position, compensating for factors like friction, pressure fluctuations, or wear that can cause drift over time. This closed-loop feedback mechanism ensures that the valve maintains the exact position specified by the control system, even in dynamic process conditions.
Model Number A41300
Brand METSO
Type Electro-Pneumatic Valve Positioner
Input Voltage 24V DC ±10%
Operating Temp Range -40°C to +85°C
Mounting Style Direct valve mounting (ISO 5211 compliant)
Dimensions 165mm x 110mm x 85mm (W x H x D)
Weight 850g
Interface/Bus HART, FOUNDATION Fieldbus
Compliance CE, ATEX, IECEx, RoHS
Supported Protocols HART 7, FOUNDATION Fieldbus H1
Typical Power Draw 1.2W (idle), up to 2.5W (active control)
The METSO A41300 functions as a smart electro-pneumatic positioner, designed to convert electrical control signals (typically 4-20mA or digital commands) into precise pneumatic pressure outputs that regulate valve stem position. Its core strength lies in its ability to continuously monitor and adjust valve position, compensating for factors like friction, pressure fluctuations, or wear that can cause drift over time. This closed-loop feedback mechanism ensures that the valve maintains the exact position specified by the control system, even in dynamic process conditions.
A41300
Positioned between the control layer and the final control element (the valve), the METSO A41300 integrates seamlessly into both METSO’s valve systems and third-party setups. It supports communication protocols like HART and FOUNDATION Fieldbus, enabling two-way data exchange that provides real-time insights into valve performance—including position, temperature, and diagnostic alerts—directly to the control room. What distinguishes the METSO A41300 is its adaptive calibration feature, which automatically adjusts for minor valve wear or changes in process conditions, reducing the need for manual recalibration and ensuring long-term performance consistency. Its rugged housing protects internal components from dust, moisture, and vibration, making it suitable for installation in harsh industrial environments.
A41300
Technical specifications:
Model Number A41300
Brand METSO
Type Electro-Pneumatic Valve Positioner
Input Voltage 24V DC ±10%
Operating Temp Range -40°C to +85°C
Mounting Style Direct valve mounting (ISO 5211 compliant)
Dimensions 165mm x 110mm x 85mm (W x H x D)
Weight 850g
Interface/Bus HART, FOUNDATION Fieldbus
Compliance CE, ATEX, IECEx, RoHS
Supported Protocols HART 7, FOUNDATION Fieldbus H1
Typical Power Draw 1.2W (idle), up to 2.5W (active control)
Contact Us Phone:+86 16626708626 WeChat/WhatsApp:+86 16626708626 Email: 3772179818@qq.com
A41300
Main features and advantages:
Choosing the METSO A41300 delivers tangible benefits that extend beyond basic valve control. For engineers, its plug-and-play compatibility with a wide range of valve types—including globe, butterfly, and ball valves—reduces integration complexity, eliminating the need for custom mounting adapters or signal converters. This versatility simplifies system design and installation, cutting engineering time and reducing the risk of compatibility errors.
In operation, the METSO A41300ensures process stability by maintaining valve position accuracy within ±0.5% of full scale, even when faced with fluctuating supply pressure or process turbulence. Its fast response time—typically less than 0.5 seconds for a 90% step change—prevents overshoot or undershoot during setpoint adjustments, minimizing process variability and improving product quality. The positioner’s built-in diagnostics, such as valve stiction detection or spring failure alerts, enable predictive maintenance, allowing teams to schedule repairs during planned downtime rather than reacting to emergencies. Over time, this translates to lower maintenance costs, reduced unplanned outages, and higher overall process efficiency.
Perhaps most valuable is the METSO A41300’s ability to optimize energy usage. By ensuring valves operate at the exact position needed, it reduces unnecessary fluid or gas flow, lowering energy consumption in pumping or compression systems. This efficiency gain not only cuts operational costs but also supports sustainability goals in industrial operations.
A41300
Application areas:
The METSO A41300 excels in industries where precise flow control directly impacts safety, quality, and cost. In chemical processing plants, it regulates the flow of raw materials and catalysts, ensuring reaction rates remain within optimal ranges to prevent hazardous byproducts or batch failures. Its ability to operate in explosive environments (ATEX/IECEx certified) makes it ideal for handling volatile chemicals.
In water and wastewater treatment facilities, the METSO A41300 controls the flow of treatment chemicals, such as chlorine or coagulants, ensuring dosage levels are precise and compliant with environmental regulations. Its reliability in wet, corrosive environments prevents over-dosing (which wastes chemicals) or under-dosing (which risks non-compliant effluent).
In power generation, particularly in combined cycle plants, the METSO A41300 regulates steam and fuel flow to boilers and turbines, optimizing combustion efficiency and reducing emissions. Here, its fast response to load changes ensures the plant maintains grid stability while maximizing energy output. Across all these applications, the METSO A41300 proves its worth in maintaining critical process control and operational reliability.
Related products:
METSO A41100 – Basic version without advanced diagnostics, suitable for less critical applications.
METSO A41500 – Enhanced model with additional communication protocols (PROFIBUS, Modbus) for complex networks.
METSO A41300-Ex – Explosion-proof variant for use in Zone 0/1 hazardous areas.
METSO A41300-LC – Low-consumption model optimized for battery-powered or energy-constrained systems.
METSO A40300 – Legacy predecessor, compatible with older METSO valve systems for upgrade paths.
METSO A41300-CAL – Calibration tool kit for manual fine-tuning of the A41300 in specialized applications.
METSO A41300-EXT – Extended range model supporting larger valves with higher actuation force requirements.
METSO A41300-COM – Communication gateway for integrating A41300 data into SCADA systems with non-standard protocols.
Installation and maintenance:
Before installing the METSO A41300, verify that the valve stem travel range matches the positioner’s calibration limits (0-100mm stroke is standard). Check that the pneumatic supply (typically 0.4-0.7MPa) is clean and dry—install a filter-regulator upstream to prevent moisture or particulate contamination, which can damage internal components. Ensure the mounting surface on the valve is flat and aligned with the stem to avoid binding during operation; use shims if necessary to correct misalignment.
For electrical connections, confirm the control signal type (4-20mA analog or digital) matches the system configuration, and ensure proper grounding to prevent electrical noise from interfering with position feedback. Allocate clearance around the positioner for maintenance access—at least 150mm on all sides to allow for calibration and cable connection checks.
WhatsApp: +86 16626708626
Email: 3772179818@qq.com
Phone: +86 16626708626
