Overview
The ABB V18345-7020421001 is an intelligent electro-pneumatic valve positioner designed for precise control of pneumatic control valves in industrial automation systems. It converts control signals into accurate valve positioning, ensuring stable process regulation, improved efficiency, and high repeatability. It is widely used in oil & gas, chemical processing, power generation, and general process industries.
General Information
Part Number: V18345-7020421001
Manufacturer: ABB
Brand: ABB
Country of Origin: Switzerland
Series: Intelligent Valve Positioner Series
Product Type: Electro-Pneumatic Valve Positioner
Mounting Type: Direct mounting on pneumatic actuator
Function: Provides precise valve position control based on control signal input
Design: Smart digital positioner with integrated diagnostics and feedback system
Power Specifications
Supply Voltage: 24 V DC (instrument power supply)
Air Supply Pressure: 1.4 to 6 bar (instrument air)
Power Consumption: Low-power electronic control unit
Signal Input: 4–20 mA analog control signal
Protection: Overvoltage, reverse polarity, and pneumatic protection features
Communication & Interface
Interface Type: 4–20 mA analog control signal (optional digital communication depending on configuration)
Control Function: Closed-loop valve positioning system
Feedback System: Integrated position feedback sensor
Diagnostics: Self-diagnostics, fault detection, and status monitoring
Configuration: Local setup and optional handheld configuration tools
Environmental
Operating Temperature: -40 to 85 °C
Storage Temperature: -50 to 85 °C
Humidity: Up to 95% non-condensing
Vibration Resistance: Industrial process environment standard
Protection Rating: IP66 / NEMA 4X
Installation Environment: Indoor and outdoor industrial process applications
Dimensions & Weight
Dimensions (H × W × D): 168.5 × 101 × 114.5 mm
Weight: 1.7 kg
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