Compatible with most pneumatically actuated valves, Research Control® SRD 960 and SRD 961 are explosion proof and intrinsically safe digital valve positioners, respectively. Optional base model, SRI 990, provides analog valve control. SRD models include comprehensive valve diagnostics tool, which continuously monitors for fugitive emissions due to leaks and other unintended/irregular releases of gases to help process plants meet ANSI/FCI 91-1 standard and comply with EPA emissions guidelines.
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