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Original Foxboro SRD991 Digital Valve Positioner Profibus PA HART 7 Valve Controller for Oil Gas Industry

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US $1650.00 - 1880.00/ Set
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Original Foxboro SRD991 Digital Valve Positioner Profibus PA HART 7 Valve Controller for Oil Gas Industry
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Caratteristiche
Specificazioni
Pressione in ingresso: 1,4...6 bar
Temperatura dell'aria ambiente per il funzionamento: -40...80 °C (-40...176 °F)
Protocollo di porta di comunicazione: HART, bus di campo Profibus FOUNDATION 4...20 mA
Grado del IP di protezione: IP66
Pressione massima: 6 bar, 90 PSI
Operazione pneumatica: Semplice effetto, doppio effetto
Gamma di corsa: 8...260 mm
Informazioni di base
Marca: Foxboro
Numero di modello: SRD991
Termini di pagamento e spedizione
Imballaggi particolari: Scatola di cartone/gabbia di legno
Tempi di consegna: 6-8 settimane
Termini di pagamento: T/T
Capacità di alimentazione: 2000 set all'anno
Descrizione di prodotto
Product Overview

The Foxboro SRD991 intelligent positioner offers advanced control for pneumatic actuators with microprocessor-based operation and HART communication. It provides accurate positioning, self-diagnostics, and easy local operation through its graphical display and three push buttons. The positioner is well-suited for demanding process environments where reliability, diagnostics, and straightforward maintenance are important.

Technical Specifications
Parameter Specification
Input Signal 4–20 mA DC
Communication HART
Supply Air Pressure 1.4 – 6 bar (up to 7 bar with spool valve)
Stroke Range 8 – 260 mm with standard lever
Rotary Range Up to 95°
Linearity < 0.4% of travel span
Hysteresis < 0.3% of travel span
Sensitivity < 0.1% of travel span
Operating Temperature –40 °C to +80 °C
Enclosure IP65 / NEMA 4X
Action Single or double acting
Application Industry
  • Petrochemical and chemical processing
  • Power plants
  • Oil & gas facilities
  • Industrial automation
  • Valve control in harsh environments
Common Problems & Solutions
  • Problem: Complex configuration → Solution: Local keys and graphical LCD for easy setup
  • Problem: Air supply issues → Solution: Low air consumption and recommended filter use
  • Problem: Valve diagnostics needs → Solution: Built-in self-diagnostics and status messages
Replacement Models
  • Previous generation Foxboro positioners
  • SRD960 for simpler applications
Why Buy From Us
  • Authentic Foxboro SRD991 positioner
  • Good value with technical support
  • Assistance with installation and calibration
  • Spare parts and service support
Stock & Delivery Time
  • Standard models: 6–12 weeks
  • Configured or certified versions: 8–16 weeks
RFQ Form

Please provide:

  • Valve actuator details (type and travel)
  • Communication requirements
  • Supply air pressure
  • Hazardous area classification
  • Quantity & delivery timeline
Valutazioni e recensioni

Rating complessivo

5.0
Basato su 50 recensioni per questo fornitore

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Tutte le recensioni

Y
Yusup Komarudin
Indonesia Oct 8.2025
We purchased several AUMA for our power plant maintenance. The quality is reliable, and their team gave us very clear technical guidance.
A
Alaim Alves
Brazil Jul 12.2025
ok
A
Annie Dowson
United Kingdom Jul 1.2025
The product quality is excellent. You have been a supplier I have trusted for many years, and you have consistently provided me with reliable supply support. Thank you very much for your continued service and cooperation.
Prodotti raccomandati
Mettetevi in ​​contatto con noi
Persona di contatto : Mr. Edward Zhao
Telefono : +8615000725058
Caratteri rimanenti(20/3000)