The Flowserve Logix 520MD Digital Positioner is a high-performance solution for precise valve actuation in industrial processes, combining advanced piezo technology with user-friendly diagnostics. Designed for rotary and linear actuators, it converts 4-20 mA input signals into pneumatic outputs, ensuring fast response and stability. With HART communication and ValveSight software integration, the 520MD enables predictive maintenance and real-time monitoring, reducing downtime. Certified for hazardous areas, it excels in oil and gas, chemical, and power applications, delivering reliable control with minimal air consumption.
| Parameter | Specification |
|---|---|
| Input Signal | 4-20 mA HART |
| Supply Pressure | 1.4–10.3 bar (20–150 psig) |
| Output Signal | Pneumatic (3-15 psi) |
| Accuracy | ±0.25% of span |
| Temperature Range | -40°C to 85°C (-40°F to 185°F) |
| Enclosure Rating | IP66/NEMA 4X |
| Certifications | ATEX, FM, CSA, SIL 2 |
| Air Consumption | 0.28–0.38 Nm³/h (0.17–0.23 SCFM) |
| Actuator Compatibility | Rotary and linear |
The Flowserve Logix 520MD Digital Positioner is ideal for high-performance valve control:
What is the 520MD's accuracy?
±0.25% of span for precise control.
How does HART benefit?
Enables remote diagnostics and setup.
Is it hazardous area certified?
Yes, ATEX, FM, CSA compliant.
Can it be used with rotary valves?
Yes, supports rotary and linear actuators.
What is ValveSight?
Software for predictive valve maintenance.
For more information about the Flowserve Logix 520MD Digital Positioner, pricing, or to request a demo, contact our team:
