Safety Valve Controller Adds Hart

Oct. 1, 2010
The Neles ValvGuard VG9000 safety valve controller is now available in a Hart version, in addition to a Foundation Fieldbus version. 
TÜV Rheinland has certified VG9000 as compliant with IEC61508, up to SIL3. VG9000 safety-valve-testing capabilities include partial-stroke testing (PST), internal pneumatics testing and emergency trip testing. Safety-valve condition can be constantly monitored using the diagnostics data gained from the tests the controller performs.  In addition, the VG9000 is able to collect valve diagnostics during trip situations. The Neles ValvGuard VG9000 provides real-time alarm management at no extra cost. The availability of safety valves is maximized because emergency valve-related online diagnostics are integrated into device functionality. The diagnostics information collected by VG9000 is presented in an easily understandable form via a graphical FDT/DTM interface.Metso Automation 

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