The Foxboro SRD991 is a microprocessor-based intelligent valve positioner designed for precise control of pneumatic actuators. It supports HART, PROFIBUS PA, or FOUNDATION Fieldbus communication, providing advanced valve diagnostics and optimized process control. Its rugged construction and easy calibration make it ideal for harsh industrial environments, ensuring reliable and efficient valve operation.
| Parameter | Specification |
|---|---|
| Model | Foxboro SRD991 |
| Type | Intelligent Digital Valve Positioner |
| Communication | HART, PROFIBUS PA, FOUNDATION Fieldbus |
| Input Signal | 4-20 mA |
| Air Supply Pressure | 1.4 to 6 bar (20 to 87 psi) |
| Operating Temperature | -40°C to +85°C |
| Enclosure Rating | IP66 / NEMA 4X |
| Material | Aluminum or Stainless Steel |
| Mounting | Linear or Rotary Actuators (NAMUR / IEC 60534-6-1) |
| Explosion Proof | Optional ATEX, FM, CSA Certifications |
Q1: What communication options are available for the SRD991?
A1: The SRD991 supports HART, PROFIBUS PA, and FOUNDATION Fieldbus communication protocols.
Q2: Can the SRD991 be mounted on both rotary and linear actuators?
A2: Yes, it can be easily adapted to both types of actuators using standard mounting kits.
Q3: Does the SRD991 provide valve diagnostics?
A3: Yes, it includes advanced self-diagnostic and valve health monitoring features to ensure optimal performance.
Q4: What industries typically use the SRD991?
A4: It is widely used in oil and gas, petrochemical, power generation, and water treatment applications.
For detailed technical information, price inquiries, or product selection support, please contact:
Dr. Industry Group Co., Ltd
Phone: +86-15000725058
Email: edward.zhao@gongboshi.com
Website: www.shgongboshi.com
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