Method and system for measuring gate valve clearances and seating force

Casada, Donald A; Haynes, Howard D; Moyers, John C; Stewart, Brian K

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Title: Method and system for measuring gate valve clearances and seating force

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Abstract

Valve clearances and seating force, as well as other valve operational parameters, are determined by measuring valve stem rotation during opening and closing operations of a translatable gate valve. The magnitude of the stem rotation, and the relative difference between the stem rotation on opening and closing provides valuable data on the valve internals in a non-intrusive manner.

Inventors:

Casada, Donald A ^[1]; Haynes, Howard D ^[1]; Moyers, John C ^[2]; Stewart, Brian K ^[3]

Knoxville, TN
Oak Ridge, TN
Burns, TN

Issue Date:: 1996-01-01

Research Org.:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

OSTI Identifier:: 870269

Patent Number(s):: 5487302

Assignee:: Lockheed Martin Energy Systems, Inc. (Oak Ridge, TN)

Patent Classifications (CPCs):: F - MECHANICAL ENGINEERING F16 - ENGINEERING ELEMENTS AND UNITS F16K - VALVES

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F - MECHANICAL ENGINEERING F16 - ENGINEERING ELEMENTS AND UNITS F16K - VALVES
F16K31/046 - {with electric means, e.g. electric switches, to control the motor or to control a clutch between the valve and the motor
F16K37/0083 - {by measuring valve parameters}

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DOE Contract Number:: AC05-84OR21400

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: method; measuring; gate; valve; clearances; seating; force; operational; parameters; determined; rotation; closing; operations; translatable; magnitude; relative; difference; provides; valuable; data; internals; non-intrusive; manner; valve internals; gate valve; valve internal; non-intrusive manner; operational parameters; seating force; valve clearances; closing operation; /73/

Citation Formats


                    Casada, Donald A, Haynes, Howard D, Moyers, John C, and Stewart, Brian K. Method and system for measuring gate valve clearances and seating force.  United States: N. p., 1996. 
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                    Casada, Donald A, Haynes, Howard D, Moyers, John C, & Stewart, Brian K. Method and system for measuring gate valve clearances and seating force.  United States.

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                    Casada, Donald A, Haynes, Howard D, Moyers, John C, and Stewart, Brian K. Mon .  
        "Method and system for measuring gate valve clearances and seating force".  United States.  https://www.osti.gov/servlets/purl/870269.

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@article{osti_870269,

  title        = {Method and system for measuring gate valve clearances and seating force},

  author       = {Casada, Donald A and Haynes, Howard D and Moyers, John C and Stewart, Brian K},

  abstractNote = {Valve clearances and seating force, as well as other valve operational parameters, are determined by measuring valve stem rotation during opening and closing operations of a translatable gate valve. The magnitude of the stem rotation, and the relative difference between the stem rotation on opening and closing provides valuable data on the valve internals in a non-intrusive manner.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1996},

  month        = {1}

}

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Method and system for measuring gate valve clearances and seating force

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Valve clearances and seating force, as well as other valve operational parameters, are determined by measuring valve stem rotation during opening and closing operations of a translatable gate valve. The magnitude of the stem rotation, and the relative difference between the stem rotation on opening and closing provides valuable data on the valve internals in a non-intrusive manner. 8 figs.
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