Koso EPB801 Electric Valve Positioner for Accurate Positioning

The Koso EPB801 Electric Valve Positioner is a critical accessory for pneumatic control valves, designed to precisely regulate valve position in industrial processes. It converts 4-20 mA DC input signals into pneumatic output to drive valves while providing mechanical feedback for accurate position tracking.

• Precision Control: 4-20 mA DC input signal with mechanical feedback for accurate positioning
• Versatile Compatibility: Adaptable to straight stroke (12-100 mm) and angular stroke (0-90°) actuators
• Optimized Pneumatics: 0.14-0.50 MPa gas source pressure with low 5 NL/min consumption
• High Accuracy: Backlash <1% and dead zone <0.4% for precise control
• Rugged Construction: Aluminum alloy housing with IP protection for harsh environments
• Flexible Configuration: Cam mechanism allows output characteristic adjustments
• Safety Certified: Available in flameproof and standard models for different environments

• Input Signal: 4-20 mA DC (with split range options available)
• Temperature Range: -20°C to +80°C (standard model)
• Relative Humidity: ≤90%
• Housing Material: Aluminum alloy (3.5 kg weight)
• Air Connection: ZG1/4 thread

• Warranty: 1 year
• Operating Temperature: Standard model: -20°C to +80°C