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Positioner SRD998

Valve positioner by Foxboro

The valve positioner SRD998 by Foxboro is designed to operate pneumatic valve actuators. Whether it’s control systems, process controllers or PC-based configuration and operation tools such as FDT/DTMs or VALcare™ – the intelligent positioner can be operated from a wide range of applications.

The modular design of the SRD998 makes maintenance a lot simpler. What’s more, the state-of-the-art technology increases the total lifetime of the device.

Technical specification

4 to 20 mAHARTProfibusFieldbus
VALcareValve Monitor (DTM)
Ex i / intrinsicsafety according to ATEX

Features and advantages

  • Optimum protection: Thanks to a special compartment for cabling, the electronic parts of the positioner remain isolated and are protected against damage.
  • Fast commissioning: The SRD998 features an intuitive menu for fast configuration and troubleshooting.
  • Accurate control: Based on Foxboro‘s FlapperNozzle technology, the SRD998 provides unmatched performance and stable control.
  • Interoperability: The positioner offers full interoperability and integration into DCS interfaces via HART protocol and Device Type Manager (DTM) – for an improved process performance.


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SRD998 Specification german pdf Download
SRD998 Specification english pdf Download