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

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

Brand Name : Foxboro

Model Number : Srd991

Place Of Origin : China

MOQ : 1

Price : 800USD~2000USD

Payment Terms : T/T

Supply Ability : 600Sets/Month

Delivery Time : 2 Weeks

Packaging Details : Wooden Box/Carton Box

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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Meta Description & 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



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)

Product Tags:

HART SRD991 Intelligent valve positioner

      

Foxboro SRD991 valve positioner

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

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