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

  • China,Shanghai ,Shanghai
  • Verified Supplier
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China Logix 520MD Plus Digital HART Positioner 4-20mA Industrial Valve Positioner Oil
China Logix 520MD Plus Digital HART Positioner 4-20mA Industrial Valve Positioner Oil

  1. China Logix 520MD Plus Digital HART Positioner 4-20mA Industrial Valve Positioner Oil
  2. China Logix 520MD Plus Digital HART Positioner 4-20mA Industrial Valve Positioner Oil
  3. China Logix 520MD Plus Digital HART Positioner 4-20mA Industrial Valve Positioner Oil
  4. China Logix 520MD Plus Digital HART Positioner 4-20mA Industrial Valve Positioner Oil
  5. China Logix 520MD Plus Digital HART Positioner 4-20mA Industrial Valve Positioner Oil
  6. China Logix 520MD Plus Digital HART Positioner 4-20mA Industrial Valve Positioner Oil

Logix 520MD Plus Digital HART Positioner 4-20mA Industrial Valve Positioner Oil

  1. MOQ: 1
  2. Price: US $1300.00 - 1700.00/ Set
  3. Get Latest Price
Supply Ability 600 sets per year
Technology Piezoelectric
Packaging Details Cardboard box/Wooden crate
Protocol HART 5 6 7 Compatible
Payment Terms T/T
Delivery Time 8-10 weeks
Input Signal Two Wire 4 to 20 mA
Model Number 520MD
Brand Name Flowserve
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Supply Ability 600 sets per year Technology Piezoelectric
Packaging Details Cardboard box/Wooden crate Protocol HART 5 6 7 Compatible
Payment Terms T/T Delivery Time 8-10 weeks
Input Signal Two Wire 4 to 20 mA Model Number 520MD
Brand Name Flowserve Place of Origin China
High Light Logix 520MD Plus HART positioner ,industrial valve positioner 4-20mA ,digital positioner oil gas

 Logix 520MD Plus Digital HART Valve Positioner

Adopts advanced piezoelectric technology with 4–20mA two-wire HART 5/6/7 communication for valve actuator control.

Built-in over 130 valve diagnostic alarms, supporting ValveSight DTM software for real equipment health monitoring.

Supports on-site quick auto-calibration and local jog operation without handheld communicator.

Technical Specifications

Category Official Standard Parameters
Input Signal 4–20mA DC, HART protocol; loop voltage ≥10VDC, max 500Ω load
Air Supply 1.5–6.2 bar; air quality meets ISA 7.0.01 standard.
Control Performance Linearity <±1.0%; resolution <0.1%; fast startup within 1 second
Environment Standard temp: -20℃~+80℃; IP67 housing; ATEX / FM intrinsically safe certification
Software & Hardware Local LCD & LED indicator; single/double acting actuator compatible; 10-year service life

Application Industry

  • Oil & gas upstream/downstream pipelines for pneumatic regulating valve automatic control
  • Chemical & petrochemical plants for corrosive medium flow adjustment valves
  • Thermal power station boiler and steam pipeline control valve matching equipment

Common Problems & Solutions

  • Control loop oscillation: Reduce proportional gain, clean internal spool valve and filter air supply.
  • Position feedback failure: Check linkage connection, execute full stroke quick calibration.
  • HART communication loss: Verify loop voltage and wiring, restart device after power cycle.

Replacement Models

  • Logix 521MD Plus / 522MD Plus high-end upgraded positioners
  • Logix 3200MD series double-acting digital HART positioner
  • Masoneilan SVI2 AP universal HART valve positioner cross-brand substitute

Why Buy From Us

  • Supply brand-new original complete sets with factory test & explosion-proof certificates.
  • Provide free calibration guidance and ValveSight DTM software operation training.
  • 12-month official warranty with global after-sales technical support service.

Stock & Delivery Time

  • Standard non-explosion Logix 520MD Plus models in stock, ship within 3–7 working days.
  • Custom intrinsically safe ATEX/FM versions take 15–20 working days for production.
  • Complete export customs documents provided for sea & air global logistics.

RFQ Form

  • Specify explosion-proof grade and single/double acting actuator matching requirement.
  • Confirm valve stroke range and working temperature environment parameters.
  • Inform target order quantity to get accurate FOB USD tiered unit price.

Company Details

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,

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 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Trading Company,Seller,Other

  • Year Established:

    2015

  • Total Annual:

    30,000,000-50,000,000

  • Employee Number:

    200~300

  • Ecer Certification:

    Verified Supplier

Xiangjing (Shanghai) - Leading Distributor of Pneumatic and Electric Control Valves Established in Shanghai, China, Xiangjing(Shanghai) Mechanical and Electrical Tech Co.,Ltd has been a trusted distributor of high-quality pneumatic and electric control valves for many years. With extensive industr... Xiangjing (Shanghai) - Leading Distributor of Pneumatic and Electric Control Valves Established in Shanghai, China, Xiangjing(Shanghai) Mechanical and Electrical Tech Co.,Ltd has been a trusted distributor of high-quality pneumatic and electric control valves for many years. With extensive industr...

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Get in touch with us

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  • Xiangjing (Shanghai) M&E Technology Co., Ltd
  • No.6 Building,No.98 Lane, No.1 Fulian Road, Baoshan District, Shanghai, China
  • https://www.shgongboshi.com/

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