China WUZHONG Pneumatic Control Valve Customized Flowserve 520MD 3200MD 3800 Industrial Smart Digital Valve Positioners
The Flowserve Logix 520MD, 3200MD, and 3800 Digital Positioners represent the pinnacle of valve control technology, delivering precise positioning, advanced diagnostics, and robust performance for industrial applications. Engineered with state-of-the-art piezo technology and supporting HART and Foundation Fieldbus communication, these positioners ensure seamless integration and optimal control for both linear and rotary valves. The 520MD offers cost-effective diagnostics, the 3200MD provides high-performance control with user-friendly setup, and the 3800 excels in harsh environments with high air capacity and modularity. Paired with ValveSight™ software, these positioners enable predictive maintenance, making them ideal for oil and gas, chemical, and power generation industries.
- Advanced Piezo Technology: Ensures precise valve positioning with minimal air consumption (520MD, 3200MD, 3800).
- HART and Foundation Fieldbus: Enables robust communication and integration with control systems (all models).
- ValveSight™ Diagnostics: Provides predictive maintenance with over 130 warning alarms (520MD, 3800) and real-time valve health monitoring.
- Quick Calibration: One-button QUICK-CAL™ (3200MD, 3800) and auto-tune (520MD) simplify commissioning in under 60 seconds.
- High Air Capacity (3800): Up to 80% more air capacity with double-poppet technology for faster response.
- Rugged Design: IP66/NEMA 4X protection and explosion-proof options for harsh environments (all models).
- Versatile Mounting: Compatible with linear and rotary valves, including ball, globe, and butterfly valves (all models).
- Smart LED Indicators: Visual status updates and diagnostic blink codes for quick troubleshooting (3200MD, 3800).
- Low Maintenance: Modular design and self-diagnostic features reduce downtime and costs.
- SIL 3 Capable (3800): Certified for safety-critical applications with high reliability.
| Parameter | Logix 520MD | Logix 3200MD | Logix 3800 |
|---|---|---|---|
| Input Signal | 4-20 mA, HART 7 | 4-20 mA, HART 7, Foundation Fieldbus | 4-20 mA, HART 7, Foundation Fieldbus, Discrete I/O |
| Output Signal | Pneumatic (3-15 psi) | Pneumatic (0.2-1.0 bar) | Pneumatic (3-15 psi) |
| Accuracy | ±0.1% FS | ±0.08% FS | ±0.07% FS |
| Air Capacity | Not specified | Not specified | 30.6 Nm³/h @ 4.1 bar (18 SCFM @ 60 psi) |
| Air Consumption | Low (not quantified) | Low (not quantified) | 0.082 to 0.637 Nm³/h @ 4.1 bar (0.048 to 0.375 SCFM @ 60 psi) |
| Operating Temperature | -40°C to 85°C (-40°F to 185°F) | -40°C to 85°C (-40°F to 185°F) | -52°C to 85°C (-61.6°F to 185°F) |
| Protection Rating | IP66 | IP66/NEMA 4X | IP66/NEMA 4X |
| Materials | Aluminum | Industrial aluminum | Copper-free aluminum, stainless steel |
| Certifications | ATEX, FM, CSA, Intrinsically Safe (Class I Div 1, Zone 0) | ATEX, FM, CSA, Intrinsically Safe | ATEX, IECEx, SIL 3, Explosion-proof (Exd IIC) |
| Valve Compatibility | Linear and rotary | Linear and rotary | Linear and rotary, double/single-acting |
The Flowserve Logix 520MD, 3200MD, and 3800 Positioners are designed for advanced valve control in critical industries:
- Oil and Gas: Pipeline pressure control and emergency shutdown systems.
- Chemical Processing: Precise flow regulation in reactors and distillation columns.
- Power Generation: Boiler feedwater and turbine bypass control.
- Water Treatment: Municipal water supply pressure and flow management.
- General Industrial: Versatile control for ball, globe, butterfly, and other valve types.
The 520MD offers cost-effective diagnostics with HART, the 3200MD provides user-friendly setup and high precision, and the 3800 is designed for harsh environments with high air capacity and SIL 3 capability.
It provides predictive diagnostics, monitoring valve, actuator, and positioner health to prevent failures.
Yes, all models are certified for intrinsically safe and explosion-proof applications, with the 3800 offering Exd IIC and SIL 3 certifications.
The QUICK-CAL™ button (3200MD, 3800) and auto-tune (520MD) enable commissioning in under 60 seconds.
They support both linear and rotary valves, including ball, globe, and butterfly valves, for single- and double-acting actuators.
For more information about the Flowserve Logix 520MD, 3200MD, and 3800 Positioners, pricing, or to request a demo, contact our team:
- Email: sales@flowserve.com
- Phone: +1-972-443-6500
- Website: www.flowserve.com
- Support: Flowserve Support
- Flowserve Control Valves: Precision valves for industrial applications.
- Flowserve Logix 500+ Positioner: Cost-effective digital positioner for valve control.
- Flowserve Valve Services: Maintenance and repair for valves and positioners.
- Flowserve ValveSight Software: Advanced diagnostics for valve performance.
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