Xiangjing (Shanghai) M&E Technology Co., Ltd
| Payment Terms | T/T |
| Supply Ability | 600 units per year |
| Delivery Time | 75 days |
| Packaging Details | Carton + Wooden crate + Protective packaging |
| Communication port protocol | HART, 4...20 mA Profibus FOUNDATION fieldbus |
| Pneumatic connection type | 0.25 inch 18 NPT G 1/4 |
| Input pressure | 1.4...6 bar |
| Stroke range | 8...260 mm |
| Maximum hysteresis | 0.3 % |
| Linearity | < 0.4 % of the travel span |
| Ambient Air Temperature | -40...176 °F (-40...80 °C) |
| Brand Name | Foxboro |
| Model Number | SRD991 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 600 units per year |
| Delivery Time | 75 days | Packaging Details | Carton + Wooden crate + Protective packaging |
| Communication port protocol | HART, 4...20 mA Profibus FOUNDATION fieldbus | Pneumatic connection type | 0.25 inch 18 NPT G 1/4 |
| Input pressure | 1.4...6 bar | Stroke range | 8...260 mm |
| Maximum hysteresis | 0.3 % | Linearity | < 0.4 % of the travel span |
| Ambient Air Temperature | -40...176 °F (-40...80 °C) | Brand Name | Foxboro |
| Model Number | SRD991 | Place of Origin | China |
| High Light | ASCO solenoid valves industrial process ，Foxboro SRD991 digital valve controller ，smart valve positioner pneumatic control | ||
Schneider Electric's SRD991 is an advanced intelligent positioner that enhances pneumatic valve actuator performance through precise signal processing and feedback. It integrates seamlessly with control systems via HART, PROFIBUS-PA, or FOUNDATION Fieldbus protocols, offering diagnostics for stroke analysis and fault prevention. Designed for both linear and rotary actuators, it features intrinsically safe options for explosive atmospheres and a robust build for industrial reliability.
| Parameter | Details |
|---|---|
| Input Current | Min. 3.6 mA (HART), bus 10.5 mA (FF/PA) |
| Pneumatic Output | 0-6 bar, air capacity up to 13 m³/h at 6 bar |
| Linearity | <0.4% |
| Resolution | <0.05% |
| Influence of Vibration | <1% up to 10g/2000 Hz |
| Weight | Approx. 1.7 kg (aluminum housing) |
| Materials | Aluminum or stainless steel housing |
| Binary Contacts | Switching voltage up to 30 V DC, NAMUR compliant |
| Limit Switches | Inductive (SJ2-SN or similar), micro switches optional |
| Certifications | ATEX, IECEx, FM, CSA |
Engineered for valve control in petrochemical, pharmaceutical, and power generation sectors. Excels in applications requiring high precision, such as flow control in pipelines or pressure regulation in tanks. The RCV variant is tailored for research control valves with integrated actuators.
Phone/WeChat/WhatsApp: +8613916209596
Email: svetama@gbsxj.com
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
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