Xiangjing (Shanghai) M&E Technology Co., Ltd
| 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 |
| Brand Name | Foxboro |
| Model Number | SRD991 |
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Product Specification
| 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 |
| Brand Name | Foxboro | Model Number | SRD991 |
| High Light | Foxboro SRD991 digital valve positioner ，HART fieldbus control valve positioner ，intelligent pneumatic valve positioner | ||
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:
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2015
Total Annual:
30,000,000-50,000,000
Employee Number:
200~300
Ecer Certification：
Verified Supplier
Xiangjing (Shanghai) - Leading Distributor of Pneumatic and Electric Control Valves Established in Shanghai, China, Xiangjing(Shanghai) Mechanical and Electrical Tech Co.,Ltd has been a trusted distributor of high-quality pneumatic and electric control valves for many years. With extensive indust... Xiangjing (Shanghai) - Leading Distributor of Pneumatic and Electric Control Valves Established in Shanghai, China, Xiangjing(Shanghai) Mechanical and Electrical Tech Co.,Ltd has been a trusted distributor of high-quality pneumatic and electric control valves for many years. With extensive indust...
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