logo
Home /Products/Pneumatic Control Valves/Flowserve Logix 520MD Digital Smart Diagnostics Pneumatic Control Valve Positioner

Flowserve Logix 520MD Digital Smart Diagnostics Pneumatic Control Valve Positioner

1
MOQ
US $1680.00 - 2100.00/ Set
Price
Flowserve Logix 520MD Digital Smart Diagnostics Pneumatic Control Valve Positioner
Features Gallery Product Description Ratings & Review Request A Quote
Features
Specifications
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
Highlight:

Flowserve Logix 520MD pneumatic positioner

,

digital smart diagnostics control valve

,

pneumatic control valve with positioner
Basic Infomation
Brand Name: Flowserve
Model Number: 520MD
Payment & Shipping Terms
Packaging Details: Cardboard box/Wooden crate
Delivery Time: 6-8 weeks
Payment Terms: T/T
Supply Ability: 1500 sets per year
Product Description

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

Parameter Specification
Input Signal 4–20 mA DC
Communication HART
Supply Air 1.5–6.0 bar (22–87 psig)
Air Consumption 0.08 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 Rating IP66 / NEMA 4X
Housing Material Aluminum

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
Ratings & Review

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

O
Osama Qandeel
Saudi Arabia Mar 20.2026
Helpful (3)
We urgently needed control valve accessories for a shutdown project. They provided stock availability and shipped within 3 days, which helped us avoid production losses.
L
leyla kh
United Arab Emirates Sep 12.2025
Helpful (10)
We purchased 20 units of valve positioners for a refinery project in UAE. Delivery was fast and technical support was very professional.
Z
zahir mustafa
United States Feb 26.2025
Helpful (6)
Happy to work with them, fast response, hope to do more business with them soon
Tag:

rotary plug control valve

3 way pneumatic valve

pneumatic speed control valve

Recommended Products
Get in touch with us
Contact Person : Mr. Edward Zhao
Tel : +8615000725058
Characters Remaining(20/3000)
Get In Touch
No.6 Building,No.98 Lane, No.1 Fulian Road, Baoshan District, Shanghai, China
edward.zhao@gongboshi.com
+8615000725058
About
Company Profile Factory Tour Quality Control Contact Us
Products
Pneumatic Control ValvesElectric Control ValvesPressure Reducing Valve All Categories
Mail Us
Let us know your requirement. We will connect best products with you.
Sitemap │ Mobile Site │ Privacy Policy
China Good Quality Pneumatic Control Valves Supplier. © 2019 - 2026 Xiangjing (Shanghai) M&E Technology Co., Ltd. All Rights Reserved.