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Home /Products/Pneumatic Control Valves/Foxboro SRD991 Intelligent Valve Positioner Digital Accuracy with HART & Fieldbus Communication

Foxboro SRD991 Intelligent Valve Positioner Digital Accuracy with HART & Fieldbus Communication

1
MOQ
800USD~2000USD
Price
Foxboro SRD991 Intelligent Valve Positioner Digital Accuracy with HART & Fieldbus Communication
Features Gallery Product Description Request A Quote
Features
Specifications
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
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HART SRD991 Intelligent valve positioner

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Foxboro SRD991 valve positioner
Basic Infomation
Brand Name: Foxboro
Model Number: Srd991
Payment & Shipping Terms
Packaging Details: Wooden Box/Carton Box
Delivery Time: 2 Weeks
Payment Terms: T/T
Supply Ability: 600Sets/Month
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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