Original Stock Digital Pneumatic Valve Positioner Two-wire 4-20 MA Input Flowserve Logix 3200MD 3800 Valve Controller

For years the Logix 3800 has been the go-to digital positioner when you need something reliable but not over-the-top expensive. It replaced a lot of old pneumatic positioners and just stayed there. One button tunes it perfectly, the display shows what’s going on, and it holds position tight even with dirty air. Instrument techs like it because setup is quick, diagnostics actually help find sticky valves, and parts are easy to get.

• Quick-cal button – full tune in about a minute
• Big clear display – read error codes from the ground
• HART communication – handheld or AMS works fine
• Low bleed – doesn’t eat compressor air
• Aluminum housing – light enough to carry
• Same mounting as old PMV and others – easy swap
• Explosion-proof version available

• General process control valves
• Steam and water service
• Chemical dosing loops
• Power plant auxiliary valves

Q: How fast is the tune?
A: Usually 45–90 seconds and it’s spot on.

Q: Does it replace my old analog positioner?
A: Yes – same mounting kits, just swap.

Q: ValveLink software still free?
A: Yes – download and use for diagnostics.

Phone/WhatsApp/WeChat: +8615000725058
Email: edwardzhao@gbsxj.com

• Logix 3200MD – explosion-proof version
• Logix 520MD – basic digital one
• PMV D20 – compact alternative