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Home /Products/Pneumatic Control Valves/Flowserve Digital HART Positioner Logix 420 520MD 3200MD 3800 Intelligent Valve Vositioner Factory Customized Valves

Flowserve Digital HART Positioner Logix 420 520MD 3200MD 3800 Intelligent Valve Vositioner Factory Customized Valves

1
MOQ
US $955.00 - 1100.00/ Unit
Price
Flowserve Digital HART Positioner Logix 420 520MD 3200MD 3800 Intelligent Valve Vositioner Factory Customized Valves
Features Gallery Product Description Ratings & Review Request A Quote
Features
Specifications
Air Consumption: 0.082 Nm³/h @ 4.1 Bar(0.048 SCFM @ 60 Psi)
Sensitivity: ≤ 0.25 %
Communications: HART 6 And 7
Output Air Capacity: 20.8 Nm³/h @ 4.1 Bar(12.2 SCFM @ 60 Psi)
Customized Support: OEM
Basic Infomation
Brand Name: Flowserve
Model Number: Logix 420
Payment & Shipping Terms
Packaging Details: Cardboard box/Wooden crate
Delivery Time: 6-8 weeks
Payment Terms: T/T
Supply Ability: 2000 sets per year
Product Description
Flowserve Logix 420 Digital Valve Positioner
Product Overview

The Flowserve Logix 420 digital positioner provides accurate and dependable control for pneumatic valves. With HART protocol support and piezo-based technology, it delivers good repeatability and low air consumption. Its simple local interface makes it practical for everyday process control needs.

Technical Specifications
Parameter Specification
Input Signal 4–20 mA DC + HART
Supply Air Pressure 2–10 bar
Air Consumption Low steady state
Linearity < ±1.0% FS
Repeatability < 0.2% FS
Operating Temperature –40 °C to +80 °C
Enclosure NEMA 4X / IP66
Housing Aluminum (standard)
Application Industry
  • Refineries and petrochemical
  • Chemical plants
  • Power utilities
  • General manufacturing
  • Valve automation projects
Common Problems & Solutions
  • Problem: High steady-state air use → Solution: Optimized low consumption design
  • Problem: Setup complexity → Solution: Local calibration interface
  • Problem: Environmental exposure → Solution: Robust NEMA 4X enclosure
Replacement Models
  • Previous generation Logix positioners
  • Logix 520MD for advanced diagnostics
Why Buy From Us
  • Authentic Flowserve product
  • Good value and warranty
  • Support for basic setup and tuning
  • Spare parts availability
Stock & Delivery Time
  • Common models: 6–10 weeks
  • Configured versions: 8–14 weeks
RFQ Form

Please provide:

  • Valve and actuator details
  • Supply air pressure
  • Area classification
  • Quantity needed
  • Delivery schedule
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.
D
Daulet Nurgazin
Kazakhstan Mar 19.2026
Helpful (3)
I purchased the Flowserve 3821 and am very satisfied with the overall transaction. The item arrived in good condition, matched the specifications accurately, and performed as expected. The seller demonstrated strong professionalism, provided a reasonable price, and ensured the delivery schedule was met. A dependable supplier that I would confidently work with again.
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:

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Get in touch with us
Contact Person : Mr. Edward Zhao
Tel : +8615000725058
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No.6 Building,No.98 Lane, No.1 Fulian Road, Baoshan District, Shanghai, China
edward.zhao@gongboshi.com
+8615000725058
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