aw chesterton mechanical packing · pdf fileaw chesterton mechanical packing division gary ......
TRANSCRIPT
![Page 1: AW Chesterton Mechanical Packing · PDF fileAW Chesterton Mechanical Packing Division Gary ... This allows Chesterton to calculate an exact load that is needed to create a seal. Also,](https://reader031.vdocuments.us/reader031/viewer/2022021418/5abdaa977f8b9a7e418bea16/html5/thumbnails/1.jpg)
AW Chesterton Mechanical Packing Division
Gary McCoy &Ron FrisardAOV 2002 meeting
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Valve Wizard Survival Guide
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What is it ?
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Valve Management SystemWhat is it ?
it is a system to get a handle on your entire valve population – Valve info (type, size, Etc)– Valve Dimensions (Packing Size, Stud diameter, Etc)– Information Relevant to the plant (Location, Safety area, Etc)– Reliability Information ( MTBF, Etc)
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Valve Wizard Structure
Valve Wizard Program
Multiple Facilities
Chesterton Database
Valves
Unique Facility info
Work orders
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Unique Facility Info
Valves
Unique Facility info
Work orders
•Matching Chesterton ItemNumbers with the Plants•Minimum Gland Loads•Safety Factors•Maximum torque Factor
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SecurityMulti-Level Security– Admin or User
• Admin has rights to the following:– Setup users– Actuation Plant Info– Restore deleted Item Numbers– Map Item Numbers– Reset “locks”– Set Page size and grid default
– Insert• Add New valves to the Faculty
– Update• Only Update valves
– Delete• Have rights to delete a valve
– Combination• Can have a combination of all three
– Just Print• If none checked only allow user to
print sheets
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Main Table
Search the “Entire” database for EIN numbers or Partial EIN Numbers.
Resets the list and willdisplay all valves for
that page
Reset layout the user can change this layout to their own preference. Hitting This button resets to the ADMIN’s Standard.
Print this entire pageClicking on these headers
Will sort this page bythat field
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Preformed rings are specifically developed to create a specific density inside the stuffing box. They are made to specific ID and OD sizes. This allows Chesterton to calculate an exact load that is needed to create a seal. Also, Chesterton can calculate an estimated stem friction for these products.
Preformed Rings
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The first Screen is separated into 2 sections– Required Fields– Optional Fields
For a valve to be entered into the system the following is Needed:– EIN # (unique identifier for the Valve)– Unit # ( Some plants have more then one unit)– System Operating Temperature– System Operating Pressure
a0115
1
1000
300
How to Data Enter a Preformed Ring Valve?
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1.500
1.000
Rings are selected on AW ChestertonSizing tolerances. That is based on a
Non-interference fit with a total tolerance of .030” ~ .015” for each sideThe Valve Wizard selects any preform
ring that fits the AW Chesterton Tolerance.
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Spool Rings
Spool rings are made from braided packing rings. They are sized to specific Cross Sections not ID and OD sizes like Preformed rings.
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How to Data Enter a Spool Ring Valve
No LiveLoadingNo Certifiable
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Bulk Packing Calculations
No Torque ValuesNo Friction dataCalculation based on Packing ConsolationGiving a remaining follower dimension
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Non Nominal Sizing of Bulk Packing
There are times that there is not an exact match from the valve cross section to the packing cross.Valve wizard adjusts the height of the rings based on the tolerance between the packing cross section and the valve cross section.
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Non nominal sizing cont.
Nominal Size
Smaller Packing
Larger Packing
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Reports
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Reports cont.
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Report cont.
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Reports Cont.
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Torque / Friction Override
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Arrangement Override
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Mapping Item #
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Work orders
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Metric data
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Exporting Data
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Questions & Answers
Thank you..