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Device and method for valve signature testing

A technology for measuring equipment and testing valves, applied in mechanical equipment, testing of mechanical components, testing of machine/structural components, etc., can solve problems such as failure and replacement of valves and valve positioners

Active Publication Date: 2016-03-09
弗兰克公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also, some valves and valve positioners that simply need recalibration appear to be out of order, causing unnecessary replacements

Method used

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  • Device and method for valve signature testing
  • Device and method for valve signature testing
  • Device and method for valve signature testing

Examples

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Embodiment Construction

[0024] The Detailed Description, set forth below in conjunction with the accompanying drawings, in which like numerals refer to like elements, provides a description of various embodiments of the disclosed subject matter and is not intended to represent the only embodiments. Each embodiment described in this disclosure provides example or illustration only, and should not be construed as preferred or advantageous over other embodiments. The illustrative examples provided herein are not intended to be exhaustive or to limit claimed subject matter to the precise forms disclosed.

[0025] The following discussion provides examples of systems, devices, and methods related to testing valves using valve characterization data. In various embodiments, an analysis device may communicate with one or more measurement devices for obtaining, measuring, testing, and analyzing valve characteristic data. The measuring device can apply a control signal to the valve that causes a change in the...

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Abstract

Systems and methods for testing a valve using valve signatures are provided. An analytical device receives a first valve signature from a portable measurement device. The portable measurement device obtains the first valve signature by causing a plurality of control signals to be applied to the valve and receiving data representing actual positions of the valve corresponding to the applied control signals. The analytical device may generate an image including a graphical representation of the first valve signature and a second valve signature that was measured prior to or after the first valve signature.

Description

technical field [0001] The present application relates to apparatus and methods for valve characterization testing. Background technique [0002] Control valves are used in a wide variety of processes. The control valve can be opened and closed proportionally and varies the degree of travel depending on the applied control signal. Valve positioners can be incorporated into control valves, which help ensure that the valve is at the desired position of opening or "stroke" for an applied control signal. Processes using control valves can be negatively affected by faulty or malfunctioning control valves or valve positioners. [0003] Performing diagnostics or tests on control valves and valve positioners may require removal of the valve from the process, which may cause process delays or require process shutdown. Some valve devices have travel indicators that allow a technician to visually observe the amount of travel while in operation. Some valve positioners may output the...

Claims

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Application Information

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IPC IPC(8): G01M13/00
CPCF16K37/0083
Inventor J.D.希尔兹
Owner 弗兰克公司
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