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General| Category | Valve Positioners |
|---|---|
| Supply Pressure | 1.4 - 7 bar (20 - 100 psi) |
| Output Pressure | Equal to supply pressure |
| Ambient Temperature Range | -40 to +85 °C (-40 to +185 °F) |
| Enclosure Rating | IP66/NEMA 4X |
| Hazardous Area Certification | ATEX, IECEx, CSA |
Explains the torque balance mechanism of the positioner using force coil and feedback spring.
Details input signal, split ranges, input resistance, turning angle, supply pressure, and environmental specs.
Critical warnings regarding performance limitations, pressurized components, and live voltage.
Step-by-step guide for mounting the positioner on specific Metso actuator mounting faces.
Requirements for clean, dry, oil-free instrument air supply and its pressure specifications.
Instructions on setting the changeover piece for direct (D) or reverse (R) function.
Explanation of cam plate markings for signal ranges and direction of rotation for operation.
How to diagnose electrical issues using measurements and possible faults.
Identifies common mechanical problems and their potential causes.
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