Foxboro SRD991 Intelligent Valve Positioner Digital Accuracy with HART & Fieldbus Communication
Price:
800USD~2000USD
MOQ:
1
Delivery Time:
2 Weeks
Brand:
Foxboro
Product Description
Foxboro SRD991 Intelligent Valve Positioner – Digital Accuracy with HART & Fieldbus Communication
Product Overview
The Foxboro SRD991 Intelligent Valve Positioner is a state-of-the-art digital positioner designed for high-precision control of both linear and rotary actuators. Engineered by Schneider Electric (formerly Invensys Foxboro), this positioner supports HART® 7 and Foundation Fieldbus™ protocols, delivering advanced valve diagnostics, automatic calibration, and reliable performance in harsh environments. With its explosion-proof design and IP66 protection rating, the SRD991 is ideal for critical process control applications in industries such as oil & gas, power, chemicals, and water treatment.
Key Features
Digital Communication: Supports HART 5/6/7 and Foundation Fieldbus for seamless integration
Precise Valve Control: Exceptional linearity (±0.2%) and repeatability (±0.1%)
Built-in Diagnostics: Monitors valve health, actuator friction, air pressure, and more
Auto Calibration: One-touch setup simplifies commissioning and tuning
Explosion-Proof Certified: ATEX, FM, CSA, and IECEx approvals for hazardous locations
LCD Display Interface: Multilingual user interface for local configuration
Rugged Construction: IP66-rated aluminum housing with corrosion-resistant coating
Universal Mounting: Compatible with a wide range of linear and rotary actuators
Product Attributes
| Attribute | Value |
|---|---|
| Accessories | Solenoid Valve |
| Power | 0.2-2.2KW |
| Body Design | Short Pattern |
| Control Range | 0-100% |
| Temperature Of Media | Low Temperature |
| Air Supply | 1.4 To 6.0 Bar |
| Signal Communication | HART 5 Or 7 Over 4-20mA |
| Operating Media | Air/Gas/Liquid |
Technical Specifications
| Parameter | Specification |
|---|---|
| Input Signal | 4–20 mA with HART® communication |
| Communication Protocols | HART 5/6/7, Foundation Fieldbus |
| Supply Pressure | 1.4 to 6.9 bar (20 to 100 psi) |
| Positioning Accuracy | ≤ ±0.2% linearity |
| Repeatability | ≤ ±0.1% |
| Response Time | ≤ 100 ms |
| Mounting Type | Linear and rotary actuators (NAMUR interface) |
| Display | LCD screen with push-button control |
| Diagnostics | Valve friction, air leakage, deviation monitoring |
| Material | Anodized aluminum housing |
| Protection Rating | IP66 / NEMA 4X |
| Operating Temperature | –40 °C to +85 °C |
| Explosion-Proof Certifications | ATEX, IECEx, FM, CSA (Zone 1 / Div 1) |
The Foxboro SRD991 Intelligent Valve Positioner combines digital precision with rugged reliability, making it an ideal solution for demanding industrial applications requiring accurate valve control and advanced diagnostics.
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Get in Touch
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Company
Xiangjing (Shanghai) M&E Technology Co., Ltd
Location
Building 6, 98 Fulianyi Road, Yanghang Town, Baoshan District
Contact Person
Edward Zhao