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Brand Name : Foxboro
Model Number : SRD991
MOQ : 1
Price : US $1600.00 - 2198.00/ Set
Payment Terms : T/T
Supply Ability : 2000 sets per year
Delivery Time : 60 work days
Packaging Details : cardboard box
Input pressure : 1.4...6 bar
Maximum hysteresis : 0.3 %
Ambient Air Temperature for Operation : -40...80 °C (-40...176 °F)
Communication port protocol : HART, 4...20 mA Profibus FOUNDATION fieldbus
IP Degree of Protection : IP66
Maximum pressure : 6 bar ,90 psi
The Foxboro SRD991 Valve Positioner is a precision-engineered digital controller that converts 4-20 mA input signals into pneumatic outputs for accurate positioning of rotary and linear valve actuators. Featuring advanced piezo valve technology and HART communication, it ensures fast response times and stable operation in dynamic processes. Designed for simplicity, the SRD991 offers easy calibration with push-button controls and a local display, making it ideal for chemical, oil and gas, and power generation industries. Its compact design and low air consumption enhance efficiency and reliability in automated valve systems.
| Parameter | Specification |
|---|---|
| Input Signal | 4-20 mA HART |
| Air Supply Pressure | 1.4–7 bar (20–100 psi) |
| Stroke Range | Linear: 10–100 mm; Rotary: 90–120° |
| Linearity | ±0.5% of span |
| Hysteresis | ±0.3% of span |
| Repeatability | ±0.2% of span |
| Temperature Range | -40°C to +80°C (-40°F to +176°F) |
| Enclosure Rating | IP66 |
| Power Consumption | <1 W |
| Certifications | ATEX, FM, CSA, SIL 2 |
The Foxboro SRD991 Valve Positioner is optimized for precision control in industrial processes:
Fast, with piezo technology for quick positioning.
Yes, for digital configuration and diagnostics.
Yes, designed for dynamic environments.
Rotary and linear, single/double-acting.
Push-button zero/span for simple adjustment.
For more information about the Foxboro SRD991 Valve Positioner, pricing, or to request a demo, contact our team:
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Good Price Flow Control Valve Positioner Foxboro SRD991 Intelligent Digital Valve Positioner HART Fieldbus Images |