ABB V18345-6020565101 Valve Positioner

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• 1. Product Overview

  The ABB V18345-6020565101 is an intelligent electro-pneumatic valve positioner from the ABB V18345 (TZIDC) series. It converts a standard 4–20 mA control signal into a pneumatic output to precisely control the position of valves equipped with pneumatic actuators. Featuring compact design, high accuracy, fast response, and auto-calibration, it is suitable for both linear and rotary valves in modern process automation systems.

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  2. Technical Specifications

  • Model: V18345-6020565101

  • Type: Electro-Pneumatic Intelligent Valve Positioner

  • Input Signal: 4–20 mA, two-wire

  • Communication Protocol: HART (optional PROFIBUS PA or FOUNDATION Fieldbus available)

  • Air Supply Pressure: 1.4–6 bar

  • Output Pressure: 0–6 bar

  • Actuator Compatibility: Single-acting and double-acting pneumatic actuators

  • Valve Types: Linear and rotary valves

  • Protection Class: IP65 / NEMA 4X

  • Ambient Temperature: –40°C to +85°C (depending on configuration)

  • Positioning Accuracy: Up to ±0.5% or better

  • Calibration: Automatic zero and span calibration

  • Feedback Options: Optional analog (4–20 mA) or digital feedback; mechanical indicator available

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  3. Key Features & Advantages

  • High positioning precision with advanced digital control algorithms

  • Auto-calibration, greatly simplifying installation and commissioning

  • Versatile compatibility with linear and rotary valves, as well as single- or double-acting actuators

  • Rugged and reliable, with IP65/NEMA 4X protection for harsh industrial environments

  • Easy system integration with HART and optional fieldbus protocols

  • Low maintenance requirements, with built-in diagnostics and compact structure

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  4. Application Areas

  • Oil & gas: control valves, regulating valves, shutdown valves

  • Chemical & petrochemical: process control valves, reactor valves, corrosive media handling

  • Power plants and steam systems: steam valves, feedwater valves, exhaust valves

  • Water treatment: flow control, dosing control, wastewater valves

  • Food, pharmaceutical, paper industries: automation lines requiring accurate valve control

  • General industrial automation requiring precise pneumatic valve positioning

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  5. Precautions

   

  • Verify mechanical mounting standards between the actuator and positioner before installation.

  • Use clean, dry, oil-free compressed air to avoid contamination or damage.

  • Avoid corrosive environments or strong vibration; install in a clean, ventilated location.

  • Calibration should be performed by qualified personnel, ensuring correct zero and full-stroke settings.

  • Confirm whether your model includes explosion-proof certification before using it in hazardous areas.

  • Perform regular inspection of air supply quality, seals, and valve response for long-term reliability.

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The structure and details of the product：

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