Specifications
Brand Name :
Flowserve
Model Number :
520MD
MOQ :
1
Price :
US $1000.00 - 1250.00/ Set
Payment Terms :
T/T
Supply Ability :
1000 units per year
Delivery Time :
6-8 weeks
Packaging Details :
Cardboard box/Wooden crate
Input Signal :
4-20 mA
Supply Pressure :
1.4 - 7 bar (20 - 100 psi)
Operating Temperature :
-40°C to +85°C
Enclosure Protection :
IP66 / NEMA 4X
Repeatability :
≤0.5%
Communication Protocol :
HART (optional)
Description

Product Overview

The Flowserve Logix 520MD digital positioner is built for pneumatic control valves using HART communication and piezo technology. It offers easy local configuration, low air consumption in steady state, and repeatable performance. It serves as a practical choice for plants needing reliable valve positioning without complex advanced diagnostics.

Technical Specifications

Parameter Specification
Input Signal 4–20 mA DC
Communication HART
Supply Air Pressure 1.5–6.0 bar
Air Consumption (steady state) 0.08–0.12 Nm³/h
Output Capacity Up to 7.0 Nm³/h @ 6 bar
Linearity < ±1.0% FS typical
Repeatability < 0.2% FS
Operating Temperature –40 °C to +80 °C
Enclosure IP66 / NEMA 4X
Housing Aluminum

Application Industry

  • Chemical processing plants
  • Power plant auxiliary valves
  • Oil & gas production
  • General manufacturing automation
  • Petrochemical utilities

Common Problems & Solutions

  • Problem: Air quality issues causing erratic behavior → Solution: Install proper filter-regulator and maintain dry air
  • Problem: Calibration after valve maintenance → Solution: Fast local calibration buttons
  • Problem: Steady-state air usage concerns → Solution: Low consumption piezo design helps reduce costs

Replacement Models

  • Legacy Flowserve digital positioners
  • Logix 3200MD for non-IS applications

Why Buy From Us

  • Authentic Flowserve product backed by warranty
  • Good value pricing
  • Helpful guidance for basic setup
  • Reliable spare parts availability

Stock & Delivery Time

  • Common models: 6–8 weeks
  • Configured or certified versions: 8–10 weeks

RFQ Form

Please provide:

  • Valve and actuator details (type and travel)
  • Supply air pressure available
  • Any hazardous area requirements
  • Quantity needed
  • Desired delivery timeline
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Flowserve Logix 520MD Digital Piezo Diagnostics Control Valve Chemical Power Plant Valve Positioner

Ask Latest Price
Brand Name :
Flowserve
Model Number :
520MD
MOQ :
1
Price :
US $1000.00 - 1250.00/ Set
Payment Terms :
T/T
Supply Ability :
1000 units per year
Contact Supplier
Flowserve Logix 520MD Digital Piezo Diagnostics Control Valve Chemical Power Plant Valve Positioner
Flowserve Logix 520MD Digital Piezo Diagnostics Control Valve Chemical Power Plant Valve Positioner
Flowserve Logix 520MD Digital Piezo Diagnostics Control Valve Chemical Power Plant Valve Positioner
Flowserve Logix 520MD Digital Piezo Diagnostics Control Valve Chemical Power Plant Valve Positioner

Xiangjing (Shanghai) M&E Technology Co., Ltd

Verified Supplier
8 Years
shanghai, shanghai
Since 2015
Business Type :
Manufacturer, Distributor/Wholesaler, Agent, Importer, Exporter, Trading Company, Seller, Other
Total Annual :
30,000,000-50,000,000
Employee Number :
200~300
Certification Level :
Verified Supplier
Contact Supplier
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