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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
Price
Original Foxboro SRD991 Digital Valve Positioner Profibus PA HART 7 Valve Controller for Oil Gas Industry
Features Gallery Product Description Ratings & Review Request A Quote
Features
Specifications
Input Pressure: 1.4...6 Bar
Ambient Air Temperature For Operation: -40...80 °C (-40...176 °F)
Communication Port Protocol: HART, 4...20 MA Profibus FOUNDATION Fieldbus
IP Degree Of Protection: IP66
Maximum Pressure: 6 Bar ,90 Psi
Pneumatic Operation: Single Acting ,Double Acting
Stroke Range: 8...260 Mm
Basic Infomation
Brand Name: Foxboro
Model Number: SRD991
Payment & Shipping Terms
Packaging Details: Cardboard box/Wooden crate
Delivery Time: 6-8 weeks
Payment Terms: T/T
Supply Ability: 2000 sets per year
Product Description
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
Ratings & Review

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

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.
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Get in touch with us
Contact Person : Mr. Edward Zhao
Tel : +8615000725058
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