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 With a wealth of
experience and expertise, including a large force of
highly trained factory certified technicians, we repair
almost every type and size of control valves and
actuators. Control valve brands serviced include
Masoneilan®, Fisher®, Samson®, Copes Vulcan®, and
Valtek®. Our technicians are skilled in the repair of
the Masoneilan S.V.I.® and Fisher Field Vue® Positioners.
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 Industrial Valve
utilizes the Benchmark Control Valve Diagnostic Unit to
perform in-line and in-depth diagnostics to determine the
"health" of your air operated control
valve. During each test, detailed, real-time graphics
keep you informed of test status and valve
performance. At test completion, engineering
parameters with "Pass / Fail" comparisons are
clearly presented. Automatically formatted graphs
are used to clarify test results where appropriate.
Test reports and full page graphics are immediately
available for print, preview or export. All graphics
can be enlarged, customized, zoomed, and exported.
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Standard
Tests |
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| Baseline |
Travel
(Rotation) |
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Valve
Calibration |
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Valve
Accuracy Errors |
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Positioner
Calibration |
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Positioner
Accuracy Errors |
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I/P
Calibration |
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I/P
Accuracy Errors |
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Bench
Set / Spring Rate |
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Friction |
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Seat
Load |
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Balance
Pressure |
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Air
Supply Pressure |
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| HDRL |
Hysteresis
and Deadband Error |
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Repeatability
Error |
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Linearity
Error |
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Deadband
Error |
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| Step
Response |
Dead
Time |
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Response
Time |
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Rise
Time |
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Step
Time |
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Velocity |
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Overshoot |
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Settling
Time |
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| Sensitivity
/ Resolution |
Step
Sensitivity |
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Step
Resolution |
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| Frequency
Response |
Attenuation
Ratio |
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Phase
Leg |
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