SUPCON Control Valve with New Foxboro SRD991 Smart Valve Positioner for Industrial Automation
The Foxboro SRD991 is a high-performance intelligent electro-pneumatic positioner designed for precise control of linear and rotary actuators. Part of Schneider Electric’s Foxboro portfolio, it combines robust mechanical design with advanced digital electronics to deliver reliable valve positioning in demanding industrial environments.
- Universal mounting for linear (NAMUR & direct) and rotary actuators
- Advanced Autostart function with multiple optimization modes (Standard, Enhanced, Smooth/Fast Response)
- Local configuration via intuitive keypad and LCD display
- Supports HART, PROFIBUS PA, and FOUNDATION Fieldbus communication
- Comprehensive diagnostic capabilities and partial stroke testing (PST)
- Optional modules for position feedback, binary I/O, and limit switches
- Rugged aluminum housing with IP protection suitable for harsh environments
| Parameter | Specification |
|---|---|
| Input Signal | 4–20 mA (HART), Bus protocols |
| Supply Air | 1.4 to 6 bar (ISO 8573-1 compliant) |
| Stroke Range | Linear: up to 200 mm; Rotary: 0–100% |
| Operating Temperature | -40°C to +80°C (standard) |
| Protection Rating | IP66 / NEMA 4X |
| Communication | HART, PROFIBUS PA, FOUNDATION Fieldbus |
| Air Consumption | Very low in steady state |
| Mounting | NAMUR, Direct, Rotary adapter |
| Approvals | ATEX, IECEx, FM, CSA (intrinsically safe & explosion-proof) |
- Oil & Gas
- Chemical and Petrochemical
- Power Generation
- Water & Wastewater Treatment
- Pulp & Paper
- Mining & Minerals
Q: How long does Autostart take?
A: Typically 3–10 minutes depending on actuator size and selected mode.
Q: Can it be configured without a handheld or PC?
A: Yes, full local configuration is possible via the built-in keypad and LCD.
Q: Is it suitable for double-acting actuators?
A: Yes, it supports both single and double-acting configurations.
Phone/WeChat/WhatsApp: +8613916209596
Email: svetama@gbsxj.com
- SRD960 Intelligent Positioner
- Foxboro Valve Positioners (pneumatic/electro-pneumatic)
- I/A Series Control Systems
- Foxboro Field Devices Portfolio
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