• Core Function: Provides the motive force to operate a control valve, converting a pneumatic control signal (e.g., 3-15 psi) into linear stem movement to modulate flow.
• Key Specs: Pneumatic operation, spring-return, specific size and thrust output.
396563-06-6: Product OverviewThe EMERSON 396563-06-6 is a pneumatic actuator, likely part of a Fisher control valve package. This device serves as the “muscle” of a control valve, converting a pneumatic control signal from a process controller (typically 3-15 psi or 6-30 psi) into precise mechanical motion to position the valve’s plug. Its primary function is to automatically and accurately modulate the flow of process fluids—such as steam, water, gas, or chemicals—in response to commands from a distributed control system (DCS) or PLC, ensuring stable process control.The actuator is designed for reliable operation in demanding industrial environments. It is typically a spring-return (fail-safe) type, which moves the valve to a predefined safe position (open or closed) upon loss of air supply, a critical safety feature. The actuator is coupled with a Fisher control valve body and a valve positioner to form a complete control assembly. Its robust construction ensures long service life and consistent performance under varying pressure, temperature, and load conditions.396563-06-6: Technical Specifications
• Model Number: 396563-06-6
• Manufacturer: Emerson (Fisher)
• Product Type: Pneumatic Actuator
• Actuator Type: Spring-return (single-acting)
• Fail-Safe Action: Air-to-Open (ATO) or Air-to-Close (ATC) (configurable)
• Air Supply: Typical 20-100 psi (1.4-6.9 bar) instrument air
• Control Signal: 3-15 psi (0.2-1.0 bar) pneumatic signal
• Stroke Length: Specific linear travel (e.g., 1.5″, 2.0″)
• Spring Range: Multiple spring ranges available for required fail-safe thrust
• Thrust Output: High thrust capability (specific to model size)
• Mounting: Direct mounting to Fisher control valve bodies (e.g., easy-e series)
• Positioner: Compatible with Fisher FIELDVUE or other positioners
• Materials: Aluminum, epoxy-coated steel, or stainless steel for harsh environments
• Temperature Range: -20°F to +180°F (-29°C to +82°C) standard
EMERSON 396563-06-6
Core Features & Customer ValueThe primary value of this actuator is its high reliability and precise control. It provides the thrust required to operate valves against high differential pressures, ensuring accurate flow control for stable process operations. For process engineers, this translates to improved product quality, efficiency, and safety. The spring-return fail-safe design is a critical feature for safety-instrumented functions, ensuring the valve moves to a safe state during power or air failure, preventing hazardous situations.The actuator’s robust construction ensures dependable operation in harsh conditions, minimizing maintenance requirements and unplanned downtime. Its compatibility with Fisher positioners enables advanced diagnostics and partial stroke testing, contributing to a predictive maintenance strategy. For plant operators, the standardized design simplifies installation, calibration, and spare parts management, reducing lifecycle costs.Typical ApplicationsIn a steam system, the 396563-06-6 actuator precisely modulates a control valve to maintain consistent steam pressure for heating or process requirements.In chemical processing plants, it operates a valve controlling the flow of raw materials into a reactor, ensuring precise batching and reaction control.
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