Flowserve Logix 520MD Digital HART 4-20mA Signal Refining Mining Industrial Process Control Valve Positioner
Price:
US $1500.00 - 1800.00/ Set
MOQ:
1
Delivery Time:
6-8 weeks
Brand:
Flowserve
Product Description
Flowserve Logix 520MD Digital HART Valve Positioner
Product Overview
The Flowserve Logix 520MD is a digital HART positioner for pneumatic actuators that uses piezo technology for accurate and reliable valve positioning. It accepts a 4–20 mA input signal and supports HART communication for configuration and basic diagnostics. The positioner features local calibration via buttons and offers good performance in standard process applications with low air consumption and straightforward setup.
Technical Specifications
| Parameter | Specification |
|---|---|
| Input Signal | 4–20 mA DC (two-wire) |
| Communication | HART (5, 6, 7) |
| Supply Air Pressure | 1.5–6.0 bar (22–87 psig) |
| Air Consumption (steady state) | 0.08 Nm³/h @ 1.5 bar to 0.12 Nm³/h @ 6.0 bar |
| Output Capacity | Up to 7.0 Nm³/h @ 6.0 bar |
| Linearity | < ±1.0% FS typical |
| Repeatability | < 0.2% FS |
| Deadband | < 0.2% FS |
| Operating Temperature | –40 °C to +80 °C |
| Enclosure Rating | IP66 / NEMA 4X |
| Housing Material | Aluminum (standard) |
Application Industry
- Chemical and petrochemical plants
- Power generation
- Oil & gas processing
- General industrial control systems
- Refineries and utilities
Common Problems & Solutions
- Problem: Air supply contamination → Solution: Use clean, dry air meeting ISA-7.0.01 standards
- Problem: Slow response in cold weather → Solution: Ensure proper air quality and consider low-temp options
- Problem: Calibration needed after installation → Solution: Simple local QUICK-CAL with buttons
Replacement Models
- Older Flowserve Logix 3000 series
- Logix 3200MD (non-IS version)
- Higher Logix models for advanced diagnostics
Why Buy From Us
- Genuine Flowserve Logix product with warranty
- Competitive pricing for standard applications
- Practical technical support for setup and calibration
- Availability of common spare parts
Stock & Delivery Time
- Standard configurations: 6–8 weeks typical
- Special options or certifications: 6–10 weeks
RFQ Form
Please provide:
- Actuator type (linear or rotary) and travel range
- Supply air pressure available
- Hazardous area classification (if any)
- Housing material preference
- Quantity & required delivery timeline
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Xiangjing (Shanghai) M&E Technology Co., Ltd
Location
Building 6, 98 Fulianyi Road, Yanghang Town, Baoshan District
Contact Person
Edward Zhao