Sizing a Valve From Scratch

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Sizing a Valve Using Fisher Specification Manager A Basic Approach LET’S BEGIN…

Transcript of Sizing a Valve From Scratch

Page 1: Sizing a Valve From Scratch

Sizing a Valve Using Fisher Specification Manager A Basic Approach

LET’S BEGIN…

Page 2: Sizing a Valve From Scratch

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

Page 3: Sizing a Valve From Scratch

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.

Page 4: Sizing a Valve From Scratch

* 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

Page 5: Sizing a Valve From Scratch

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

Page 6: Sizing a Valve From Scratch

If you have Multiple conditions…

1. Select one cellin Min condition

column. 2. Right Click on Cell. 3. Select Copy

Condition

Page 7: Sizing a Valve From Scratch

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.

Page 8: Sizing a Valve From Scratch

*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

Page 9: Sizing a Valve From Scratch

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

Page 10: Sizing a Valve From Scratch

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.

Page 11: Sizing a Valve From Scratch

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

Page 12: Sizing a Valve From Scratch

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%)

Page 13: Sizing a Valve From Scratch

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

Page 14: Sizing a Valve From Scratch

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.

Page 15: Sizing a Valve From Scratch

1. Select a body materialfrom the reduced list * * In this case,

we selected WCC Steel.

2. Click Ok

Page 16: Sizing a Valve From Scratch

1. Click Standard for theType of Bonnet

Page 17: Sizing a Valve From Scratch

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

Page 18: Sizing a Valve From Scratch

1. Click Standard for thePacking Material

Page 19: Sizing a Valve From Scratch

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

Page 20: Sizing a Valve From Scratch

1. Click Fisher TrimTables for Plug/Ball/Disk

Note: Packing Type is filled inwhen Packing

Material is filledin using

Standard.

Page 21: Sizing a Valve From Scratch

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

Page 22: Sizing a Valve From Scratch

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.

Page 23: Sizing a Valve From Scratch

1. Select a StemMaterial

* We haveselected

S31600 (316 SST)

2. Click Ok

Page 24: Sizing a Valve From Scratch

1. ClickActuator Selection

Page 25: Sizing a Valve From Scratch

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.

Page 26: Sizing a Valve From Scratch

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.

Page 27: Sizing a Valve From Scratch

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.

Page 28: Sizing a Valve From Scratch

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

Page 29: Sizing a Valve From Scratch

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!

Page 30: Sizing a Valve From Scratch

Use the “Back” button to return to the Help System

OR

Continue clicking to repeat the tutorial