Xiangjing (Shanghai) M&E Technology Co., Ltd
| Packaging Details | Cardboard box/Wooden crate |
| IP Degree of Protection | IP66 |
| Supply Ability | 1500 sets per year |
| Communication port protocol | HART, 4...20 mA Profibus FOUNDATION fieldbus |
| Input pressure | 1.4...6 bar |
| Maximum pressure | 6 bar ,90 psi |
| Ambient Air Temperature for Operation | -40...80 °C (-40...176 °F) |
| Delivery Time | 6-8 weeks |
| Pneumatic operation | Single acting ,Double acting |
| Stroke range | 8...260 mm |
| Payment Terms | T/T |
| Model Number | SRD991 |
| Brand Name | Foxboro |
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Product Specification
| Packaging Details | Cardboard box/Wooden crate | IP Degree of Protection | IP66 |
| Supply Ability | 1500 sets per year | Communication port protocol | HART, 4...20 mA Profibus FOUNDATION fieldbus |
| Input pressure | 1.4...6 bar | Maximum pressure | 6 bar ,90 psi |
| Ambient Air Temperature for Operation | -40...80 °C (-40...176 °F) | Delivery Time | 6-8 weeks |
| Pneumatic operation | Single acting ,Double acting | Stroke range | 8...260 mm |
| Payment Terms | T/T | Model Number | SRD991 |
| Brand Name | Foxboro | ||
| High Light | Foxboro SRD991 valve positioner HART protocol ，intelligent pneumatic control valve positioner ，Foxboro SRD991 pneumatic control valve | ||
The Foxboro SRD991 is an intelligent electro-pneumatic valve positioner designed for precise control of pneumatic linear and rotary valve actuators. It supports 4–20 mA input with HART communication (and other protocols in different versions) and features auto-start with self-calibration, self-diagnostics, and easy local configuration via push buttons and a graphical LCD. Known for its low air consumption and robust performance, it is a reliable choice for process industries requiring accurate valve positioning with diagnostic capabilities.
| Parameter | Specification |
|---|---|
| Input Signal | 4–20 mA DC + HART |
| Communication | HART (standard), PROFIBUS-PA, FOUNDATION Fieldbus H1 available |
| Supply Air Pressure | 1.4 – 6 bar (20 – 90 psig), up to 7 bar with spool valve |
| Stroke Range | 8 – 260 mm (0.3 – 10.2 in) with standard lever |
| Rotary Angle | Up to 95° (up to 300° optional) |
| Linearity | < 0.4% of travel span |
| Hysteresis | < 0.3% of travel span |
| Repeatability / Sensitivity | < 0.1% of travel span |
| Operating Temperature | –40 °C to +80 °C (model dependent) |
| Enclosure Rating | IP65 / NEMA 4X |
| Action | Single or double-acting |
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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 industr... 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 industr...
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