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Stock Digital Valve Positioners Flowserve Logix 420 Smart Valve Controller Customized Pneumatic Control Valve

1
MOQ
US $950.00 - 1100.00/ Unit
Price
Stock Digital Valve Positioners Flowserve Logix 420 Smart Valve Controller Customized Pneumatic Control Valve
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 is a digital electro-pneumatic positioner designed for reliable control of pneumatic actuators on linear and rotary valves. It uses HART communication and offers straightforward local calibration, making it suitable for general process applications where accurate positioning and basic diagnostics are required.

Technical Specifications
Parameter Specification
Input Signal 4–20 mA DC
Communication HART
Supply Air Pressure 30–150 psig (2–10 bar)
Air Consumption Low steady state
Air Capacity High output capacity
Linearity < ±1.0% FS
Repeatability < 0.2% FS
Operating Temperature –40 °C to +80 °C
Enclosure Rating NEMA 4X / IP66
Housing Material Aluminum or stainless steel
Application Industry
  • Chemical processing
  • Petrochemical plants
  • Power generation
  • Oil & gas facilities
  • General industrial automation
Common Problems & Solutions
  • Problem: Air supply contamination → Solution: Recommend proper filter-regulator setup
  • Problem: Calibration in the field → Solution: Easy local buttons and auto-calibration
  • Problem: Vibration affecting accuracy → Solution: Robust mechanical design
Replacement Models
  • Older Flowserve Logix models
  • Logix 3200MD / 520MD (for upgraded features)
Why Buy From Us
  • Genuine Flowserve Logix 420 with factory support
  • Competitive pricing
  • Technical assistance for installation and calibration
  • Reliable spare parts availability
Stock & Delivery Time
  • Standard models: 6–10 weeks typical
  • Special configurations: 8–12 weeks
RFQ Form

Please provide:

  • Actuator type (linear or rotary) and travel
  • Supply air pressure
  • Hazardous area requirements
  • Quantity & delivery timeline
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.
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.
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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