MRO Magazine

Software Runs Diagnostic Signatures For Valves

Flowserve has introduced the ValveAnalysis software plug-in for Emerson Process Management's AMS suite of asset management tools, enabling AMS users to run diagnostic signatures for Flowserve valves, ...


September 1, 2009
By MRO Magazine

Flowserve has introduced the ValveAnalysis software plug-in for Emerson Process Management’s AMS suite of asset management tools, enabling AMS users to run diagnostic signatures for Flowserve valves, actuators and positioners. The software integrates with the Flowserve Logix 520si and 3200IQ HART positioners. Diagnostic tests that can be run include ramp signature and HDL. For positioners with actuator pressure management, the ramp signature test plots command versus position and compares these data to cylinder pressures. It can be used to identify such problems as tube fitting leaks, improper alignment of plugs and seats, and broken actuator springs. The HDL test calculates the four standard diagnostic signatures — hysteresis, deadband, repeatability and linearity — by opening and closing valves. The signatures can be saved for future comparison to determine changes in equipment performance over time.

Flowserve

Reader Service Card No. 364

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