Fisher 2625 Valve Positioner

The Fisher 2625 Valve Positioner is a high-performance, pneumatic valve positioner designed to provide accurate and reliable valve position control in automated process control systems. It is widely used in industries such as chemical, petrochemical, power generation, and water treatment for controlling the position of control valves, ensuring precise process control. The 2625 positioner ensures that valves respond appropriately to control signals, improving process stability and performance. With its robust design, the Fisher 2625 positioner offers excellent accuracy, minimal hysteresis, and fast response times in challenging process conditions.

Specifications:

• Type: Pneumatic valve positioner

• Model: 2625 (Standard model with advanced performance features)

• Control Signal: 3–15 psi (or optional 4-20 mA for digital control, depending on the configuration)

• Input Signal: Pneumatic signal (3–15 psi) for controlling the valve actuator position

• Output Signal: Pneumatic output to actuator (3–15 psi)

• Supply Pressure: 20–100 psi (1.4–6.9 bar)

• Actuator Compatibility: Designed for use with both linear and rotary valve actuators, including spring-diaphragm and piston types

• Accuracy: High accuracy with low hysteresis, enabling precise valve position control

• Temperature Range:

  • Standard version: -40°F to +185°F (-40°C to +85°C)

  • Optional extended temperature range for special applications

• Material of Construction:

  • Housing: Die-cast aluminum or stainless steel (depending on application)

  • Internal Components: Stainless steel, offering high durability and resistance to corrosion

• Ingress Protection: IP66, NEMA 4X, providing robust protection for outdoor and harsh environments

• Mounting: Direct mounting to most valve actuators using standard mounting kits, simplifying installation

• Calibration: Simple zero and span adjustments for easy calibration and set-up

• Feedback Options: Available with optional position feedback devices for precise control and monitoring

• Power Supply: Pneumatic with optional electrical accessories for integrated control systems

• Applications:

  • Ideal for controlling flow, pressure, or temperature in continuous or batch processing systems

  • Suitable for steam, gas, and liquid applications across a variety of industries

• Compliance: CE, UL, and other industry certifications to ensure safety and performance in industrial applications