Flowserve Logix 520MD Digital HART 4-20mA Signal Refining Mining Industrial Process Control Valve Positioner

The Flowserve Logix 520MD is a digital HART positioner for pneumatic actuators that uses piezo technology for accurate and reliable valve positioning. It accepts a 4–20 mA input signal and supports HART communication for configuration and basic diagnostics. The positioner features local calibration via buttons and offers good performance in standard process applications with low air consumption and straightforward setup.

• Chemical and petrochemical plants
• Power generation
• Oil & gas processing
• General industrial control systems
• Refineries and utilities

• Problem: Air supply contamination → Solution: Use clean, dry air meeting ISA-7.0.01 standards
• Problem: Slow response in cold weather → Solution: Ensure proper air quality and consider low-temp options
• Problem: Calibration needed after installation → Solution: Simple local QUICK-CAL with buttons

• Older Flowserve Logix 3000 series
• Logix 3200MD (non-IS version)
• Higher Logix models for advanced diagnostics

• Genuine Flowserve Logix product with warranty
• Competitive pricing for standard applications
• Practical technical support for setup and calibration
• Availability of common spare parts

• Standard configurations: 6–8 weeks typical
• Special options or certifications: 6–10 weeks

Please provide:

• Actuator type (linear or rotary) and travel range
• Supply air pressure available
• Hazardous area classification (if any)
• Housing material preference
• Quantity & required delivery timeline