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| Categories | Pneumatic Control Valves |
|---|---|
| Brand Name: | Foxboro |
| Model Number: | SRD991 |
| MOQ: | 1 |
| Price: | US $1600.00 - 2200.00/ 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 |
| Maximum pressure: | 6 bar ,90 psi |
| IP Degree of Protection: | IP66 |
| Company Info. |
| Xiangjing (Shanghai) M&E Technology Co., Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
The Foxboro SRD991 Valve Positioner is a robust digital controller that integrates seamlessly into process systems for precise pneumatic actuator management. Using piezo valve technology, it delivers fast, stable positioning for rotary and linear valves, with HART communication for enhanced diagnostics. The SRD991's vibration-resistant design and simple calibration make it a dependable choice for oil and gas, chemical, and water treatment industries. With low air consumption and modular upgrades, it supports efficient automation and reduced operational costs.
| 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 built for robust integration in process industries:
Its HART protocol and piezo technology ensure seamless process connectivity.
Yes, supports 10–100 mm strokes.
1.4–7 bar for optimal performance.
Yes, robust design handles dynamic conditions.
Low air consumption and <1W power use.
Contact our team for inquiries about the Foxboro SRD991 Valve Positioner, pricing, or to schedule a demo:
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