China WUZHONG High Pressure Control Valve EAC Certification Flowserve Logix 420 520MD 3200MD 3800 Valve Positioners
The Flowserve Logix 3800 Digital Positioner is a high-performance, HART 7-enabled smart positioner designed for precise control of rotary and linear valves in demanding process environments. Featuring advanced diagnostics, auto-tuning, and a robust aluminum housing with IP66/NEMA 4X protection, it ensures reliable operation with ±0.5% full-scale accuracy. The intuitive local interface with LCD display and push buttons simplifies commissioning, while real-time data on valve signature, friction, and response time supports predictive maintenance. Ideal for chemical processing, oil & gas, and power generation, the Logix 3800 integrates seamlessly with DCS via HART, FOUNDATION Fieldbus, or Profibus PA for optimized plant performance and reduced downtime.
- HART 7 Communication: Two-way digital control and diagnostics.
- Auto-Tune Functionality: One-button calibration and optimization.
- Advanced Diagnostics: Valve signature, friction, and stroke count.
- ±0.5% Accuracy: High precision for critical control loops.
- Local LCD Interface: Clear status and push-button setup.
- Explosion-Proof Design: ATEX, IECEx, FM certified.
- Low Air Consumption: Energy-efficient pneumatic operation.
- Universal Mounting: NAMUR, rotary, and linear compatibility.
| Parameter | Specification |
|---|---|
| Model | Logix 3800 |
| Input Signal | 4-20 mA + HART |
| Accuracy | ±0.5% FS |
| Repeatability | ±0.3% |
| Air Supply | 1.5 to 8 bar (clean, dry air) |
| Air Consumption | ≤0.3 Nm³/h (steady state) |
| Temperature Range | -40°C to +85°C |
| Protection | IP66 / NEMA 4X |
| Certifications | ATEX, IECEx, FM, CSA, SIL 2/3 |
| Communication | HART 7, Optional FF/Profibus PA |
- Chemical Processing: Reactor and distillation control.
- Oil & Gas: Pipeline and separator regulation.
- Power Generation: Boiler feedwater and steam valves.
- Pulp & Paper: Stock and bleach flow control.
- Water Treatment: Filter backwash automation.
Yes, with full two-way digital communication.
One-button auto-tune completes in under 2 minutes.
Yes, SIL 2 standard, SIL 3 capable.
Yes, via valve signature and friction analysis.
Yes, explosion-proof and intrinsically safe options.
For more information about the Flowserve Logix 3800, pricing, or to request a demo, contact our team:
- Email: ekkolee@gbsxj.com
- Phone:
- Website: https://www.shgongboshi.com/
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