The Foxboro SRD991 is an advanced intelligent valve controller designed for both linear and rotary actuators. It provides superior control accuracy, smart communication options (HART, PROFIBUS PA, FOUNDATION Fieldbus), and comprehensive diagnostic features. The SRD991 enhances process stability and minimizes downtime, making it a trusted solution for demanding industrial environments.
| Parameter | Specification | 
|---|---|
| Model | Foxboro SRD991 | 
| Type | Intelligent Digital Valve Controller | 
| Input Signal | 4-20 mA | 
| Communication Protocols | HART, PROFIBUS PA, FOUNDATION Fieldbus | 
| Air Supply Pressure | 1.4 to 6 bar (20 to 87 psi) | 
| Operating Temperature | -40°C to +85°C | 
| Material | Aluminum or Stainless Steel | 
| Enclosure Rating | IP66 / NEMA 4X | 
| Mounting Standard | Linear / Rotary (NAMUR / IEC 60534-6-1) | 
| Explosion Proof Options | ATEX, FM, CSA Certifications Available | 
Q1: What communication protocols are supported by the SRD991?
A1: The SRD991 supports HART, PROFIBUS PA, and FOUNDATION Fieldbus.
Q2: Can it be used with both rotary and linear actuators?
A2: Yes, it is compatible with both actuator types through standard mounting kits.
Q3: Does the SRD991 provide diagnostic capabilities?
A3: Yes, it includes built-in valve diagnostics for predictive maintenance.
Q4: What industries commonly use the SRD991?
A4: Oil and gas, chemical, power generation, water treatment, and manufacturing industries.
For technical support, pricing, or product selection, please contact:
Dr. Industry Group Co., Ltd
Phone: +86-15000725058
Email: edward.zhao@gongboshi.com
Website: www.shgongboshi.com
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