Chinese Control Valve with Flowserve Logix 3200MD Digital Valve Positioner HART Smart Control

The Flowserve Logix 3200MD is a high-performance, two-wire 4-20 mA input digital valve positioner designed for precise control of both linear and rotary actuators. It features HART protocol for two-way remote communication and is fully powered by the control signal. Configurable via a local user interface with QUICK-CAL functionality, it supports single- and double-acting actuators in air-to-open or air-to-close configurations. Built for reliability in demanding industrial environments, it offers exceptional accuracy, low air consumption, and advanced diagnostic capabilities (available in Advanced/Pro models).

• Local interface with QUICK-CAL button, DIP switches, and LED status indicators for easy setup and calibration.
• Software-based characterization (Linear, Equal Percent, Custom) with soft limits and Minimum Position Cutoff (MPC).
• Two-stage control algorithm with inner-loop spool positioning and outer-loop stem feedback.
• Hazardous area certifications (ATEX, FM/CSA, IECEx, etc.) including intrinsically safe and explosion-proof options.
• Low air consumption (< 0.3 SCFM) and high capacity (12 SCFM).
• Optional pressure sensors for enhanced diagnostics and stability.
• Robust aluminum or stainless steel housing with IP65 protection.

Ideal for process control in oil & gas, chemical, power generation, and water treatment industries. Suitable for control valves on linear Mark One or rotary Valtek actuators, including hazardous locations requiring certified equipment.

Q: What is the minimum current required?

A: 3.6 mA without AO board, 3.85 mA with AO board.

Q: Does it support custom characterization?

A: Yes, via 21-point user-defined curve using HART tools or ValveSight.

Q: How do I perform calibration?

A: Use QUICK-CAL button after setting DIP switches.

• Logix 3400MD / other series positioners.
• ValveSight diagnostic software.
• Valtek control valves and actuators.
• HART 375 Communicator and accessories.