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Flowserve Logix 520MD Digital Smart Diagnostics Pneumatic Control Valve Positioner

Categories Pneumatic Control Valves
Brand Name: Flowserve
Model Number: 520MD
MOQ: 1
Price: US $1680.00 - 2100.00/ Set
Payment Terms: T/T
Supply Ability: 1500 sets per year
Delivery Time: 6-8 weeks
Packaging Details: Cardboard box/Wooden crate
Operating Temp. Range: -40°C to +85°C
Communication Protocol: HART (optional)
Repeatability: ≤0.5%
Enclosure Protection: IP66 / NEMA 4X
Air Consumption: Low consumption design
Stroke Range: Linear: 3 - 100 mm / Rotary: 30° - 100°
Supply Pressure: 1.4 - 7 bar (20 - 100 psi)
Input Signal: 4-20 mA
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Flowserve Logix 520MD Digital Smart Diagnostics Pneumatic Control Valve Positioner

Product Overview

The Flowserve Logix 520MD is a digital positioner built for pneumatic control valves. It combines HART communication with piezo technology for accurate positioning and easy maintenance. The local interface allows quick setup without special tools, making it practical for plants looking for dependable performance in standard process environments.

Technical Specifications

ParameterSpecification
Input Signal4–20 mA DC
CommunicationHART
Supply Air1.5–6.0 bar (22–87 psig)
Air Consumption0.08 Nm³/h @ 1.5 bar to 0.12 Nm³/h @ 6.0 bar
Linearity< ±1.0% FS typical
Repeatability< 0.2% FS
Deadband< 0.2% FS
Temperature Range–40 °C to +80 °C
Enclosure RatingIP66 / NEMA 4X
Housing MaterialAluminum

Application Industry

  • Refineries and petrochemical
  • Power generation
  • Chemical plants
  • Industrial automation
  • Utility valve control

Common Problems & Solutions

  • Problem: Contaminated supply air → Solution: Follow recommended air quality standards
  • Problem: Initial calibration time → Solution: Fast local QUICK-CAL function
  • Problem: Compatibility with older systems → Solution: Standard HART protocol support

Replacement Models

  • Older Flowserve digital positioners
  • Logix 3200MD for non-intrinsically safe applications

Why Buy From Us

  • Genuine Flowserve Logix 520MD
  • Competitive pricing with support
  • Help with basic setup and tuning
  • Access to replacement components

Stock & Delivery Time

  • Standard units: 6–8 weeks
  • Special configurations: 8–10 weeks

RFQ Form

Please provide:

  • Actuator type and required travel
  • Supply air pressure
  • Hazardous area needs
  • Quantity required
  • Target delivery date
Buy Flowserve Logix 520MD Digital Smart Diagnostics Pneumatic Control Valve Positioner at wholesale prices
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