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Fi sher FIELDVUE DVC6200 Digital Valve Positioner Double Acting with Feedback Industrial Automation
Product Overview
The Fi sher FIELDVUE DVC6200 is a premier digital valve controller designed to provide high-precision control, diagnostics, and reliability for critical control valves. This specific version is a Double Acting configuration equipped with Position Feedback non-contact feedback technology. By eliminating mechanical linkages, the DVC6200 reduces wear and tear caused by vibration, significantly extending the service life and performance of the valve assembly in harsh industrial environments.
Key Features
Linkage-less Non-Contact Feedback: Uses a hall-effect magnet array to sense valve position. No touching parts means no wear, making it ideal for high-vibration and corrosive applications.
High-Precision Control: Delivers fast response and accurate positioning for double-acting actuators, ensuring optimal process stability.
Integral Position Feedback: Provides a 4-20mA signal back to the control system for real-time verification of the actual valve position.
Advanced Diagnostics: Supports HART® communication, allowing for online performance monitoring and predictive maintenance to prevent unplanned shutdowns.
Modular Design: Features a field-replaceable terminal box and pneumatic relay, simplifying maintenance and reducing spare parts inventory.
Rugged Construction: Built for the toughest environments with a corrosion-resistant housing and encapsulated electronics.
Technical Specifications
Feature
Specification
Input Signal
4-20 mA DC, nominal
Communication Protocol
HART® 5 or HART® 7
Action
Double Acting (can also be configured for Single Acting)
Supply Pressure
Up to 145 psig (10.0 bar)
Feedback Signal
4-20 mA DC Analog Output (Position Transmitter)
Operating Temperature
-40°C to 85°C (-40°F to 185°F)
Vibration Resistance
Tested to 4G (up to 2000 Hz)
Mounting
Universal mounting for rotary and sliding-stem actuators
Materials
Low-copper Aluminum (standard) or Stainless Steel (optional)
Applications
The DVC6200 is widely used across various industries where precision and uptime are critical:
Oil & Gas: Refineries, offshore platforms, and natural gas processing.
Chemical/Petrochemical: High-vibration piping and corrosive reactors.
Power Generation: Steam turbine control and feedwater systems.
Water & Wastewater: Large-scale flow control and treatment facilities.
Pulp & Paper: Precise control for stock lines and chemical dosing.
Frequently Asked Questions
Q: What is the benefit of "Linkage-less" feedback?
A: Conventional positioners use mechanical levers and springs that wear out or loosen over time, especially with vibration. The DVC6200 uses magnets, so there is no physical contact between the valve stem and the positioner, eliminating mechanical failure points.
Q: Can this unit work with both rotary and sliding-stem valves?
A: Yes. The DVC6200 is designed for universal mounting and can be easily configured for either rotary (up to 90 degrees) or sliding-stem (up to 24 inches) applications.
Q: Is it possible to perform diagnostics while the valve is in service?
A: Absolutely. Using HART communication, operators can run "In-Service" diagnostics to check valve health without interrupting the process.
Q: Does it require a separate position transmitter?
A: No. This version includes an integrated 4-20mA feedback module, which provides the transmitter function internally.
Contact Information
For inquiries, official quotes, or technical support, please reach out to our team: