Transcript
Sizing a Valve Using Fisher Specification Manager A Basic Approach
LET’S BEGIN…
All the real sizing work is done in and with the Tags.A New Tag should be created for each Valve Sized.
1. Create a New Project
2. Create aNew Tag
1. Click on InstallationData
Note: The Project and Tag Name can be changed by rightclicking on them and selecting Rename.
This tutorial is meant to be a basic guide, not an exhaustive source of information. Please refer to the rest of
the Help System for detailed explanations of program features.
Note: A completed Spec Sheet (ISA Sheet) will be the result of the sizing sequence.
* For bestsizing results,
fill fieldsexclusivelyfrom drop
downs.
2. Select a Pipe Size
4. Fill in RemainingSpaces **
** Not allinformation
is required forcalculations. Blue D/F or Dindicates fields
required foreither sizingcalculations
or dimensionaldrawings. Rest
is for specsheet.
1. Select a Styleand Rating * 3. Select a Schedule
OR a Thickness
5. Click on Valve Sizing
1. Select yourfluid type *
* This examplewill be based on
water forsimplicity’s sake.
2. Fill in at leastthe Min Condition
completely. **
** Units can bechanged with
drop downs andKc can belooked up.
Note: A numberis not considered
entered in thespreadsheet
until the cursormoves to
another cell
If you have Multiple conditions…
1. Select one cellin Min condition
column. 2. Right Click on Cell. 3. Select Copy
Condition
1. Select one cellin the desired condition
column2. Right Click on
Cell 3. Select Paste Condition *
* You can alsoselect PasteCondition ToAll and the remaining
columns willbe filled with
the copied one.
*Here, just the flow rate is changed between
conditions.
1. Make adjustments to each condition * 2. Delete unnecessary
conditions by selectinga cell in that column 3. Click on Delete
Condition
Note: Conditionnames can bechanged by
clicking on themand typing over.
4. Click Calculate
1. The calculated results appear in
yellow cells. *
* If all thevalues are not
calculated, checkWarnings to seewhat needs to
be fixed. Warnings
appear and alertthe user toproblems inhibiting
calculations.Other messagesmay appear inthis section to provide further insight about
your conditions.
2. Click Valve Selection
1. Select a ProductSeries *
*A user can view the
product bulletinin PDF or
HTML form to help decideon a product
Note: Productsdisplayed have
been filteredusing informationprovided to help reduce selectionlist. Unselecting the filters givesmore options,
but may result in incorrect sizing.
1. Select a Valve type *
* Clicking on theattribute name
selects the valve.In this case, a CL900 Linear
has beenchosen.
2. Select a ValveSize by clicking on a
row **** A rule of thumb
is to only pickValve Sizes thatare less than or
equal to the line size, but not greater than
½ the line size.In this case, wehave decided to
look at a 2” valve (which is ½ our line size).
3. Click on Graph
1. Locate each condition’sCv
2. Check to see if all the points fall within your desired range
of travel. *
3. If values out of range, go backand try a different valve type or size.
4. If in range, click Close and continue.
* These values are betweenour desired
range of travel.(20-80%)
Note: Very basicvalve attribute
info is available.
Note: Moredetailed info can be compared In the spreadsheetby clicking in the
Show section.
1. Click on ValveConstruction
1. Ignore fields to theright of locked fields* * These fields
are only foroverriding the
values to the leftand are used to
customize a valve.
2. Click Standard forBody Material **
** Standardreduces the list
of materialsto those
most commonlyused for
your valve, rather than presenting
an exhaustive list of all Fisher’s
Materials(presented indrop downs)
which may not be a proper fit for
your needs.
1. Select a body materialfrom the reduced list * * In this case,
we selected WCC Steel.
2. Click Ok
1. Click Standard for theType of Bonnet
1. Select a bonnet typefrom the reduced list *
* In this case, we selected Plain, as it isvery commonand a style that can be illustrated in
FisherSpecification
Manager DimensionalDrawings.
2. Click Ok
1. Click Standard for thePacking Material
1. Use the drop downsto select what type of packing
material you want *
* These dropdowns are listreducing and
should becompleted fromleft to right. In this example,
we haveselected Single
Graphite.
2. If you want to startover, click Reset. 3. Click Ok
1. Click Fisher TrimTables for Plug/Ball/Disk
Note: Packing Type is filled inwhen Packing
Material is filledin using
Standard.
1. Determine which Trimattribute is most important
to your selection.
2. Click on the attributeheader to sort the information
by that attribute. 3. Select a trim *
3. Click Ok
* We haveselected 205A
1. Click Standard for Stem Material
Note: Seat Material andCage/Guide
Material is filled in when
Plug/Ball/Disk is filled in using
Fisher TrimTables.
Note: Notesare optional.
They appear onthe ISA sheet.
1. Select a StemMaterial
* We haveselected
S31600 (316 SST)
2. Click Ok
1. ClickActuator Selection
1. Fill out Actuatorinformation (empty
fields). 2. Click on Positioner
Note: ActuatorSizing is
available, but notrequired. (Seeexplanation inblue) See the tutorial “Sizing
an Actuator” for more help.
1. Fill out Positionersection *
* The followingsections are
optional. Theysimply go on thespec sheet andare not relevantto valve sizing.
2. Fill out I/P Transducers Sec.
3. Fill out Air SetRegulator Sec.
4. Check whichaccessories you want.
Note: TheFavorites section
allows a userto save
configurationsthat they like
or use often. It is not necessary.
5. Click Additional Accessories.
1. Fill out SolenoidValve section *
Note: Titles in parentheses arereferring to the
fields below them.
2. Fill out LimitSwitch section
3. Click on ISASheet
* Again, thesesections are
optional.
1. Fill in anyadditional information *
* Much of thissection is left
unfilled by the program. Clickon a cell and type to fill it in.Also, customerinformation canbe entered herevia the Profile- User section.
2. Scroll down and double check informationpertaining to the valve. **
** At this point, it is nice to add
notes forclarification or
added info. Seethe How Do I..?section of Helpto learn aboutadding notes
A valve has beensized, and a spec sheet
has been created.
You’re Done!
You can now print yourProject…
save it…
add a another tag…
or start a new project!
Use the “Back” button to return to the Help System
OR
Continue clicking to repeat the tutorial
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