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Cross Country Piping
Satish Lele
satish.lele@gmail.com

I can set up, a BPO for you, for Piping design work, such as, P & I Diagrams, Piping Isometrics, 2D Piping Layouts, 3D Piping Scale Models using my Piping Drawing Programs

PIPING ISOMETRICS

Most CAD packages are prepared in such a manner that these can be easily customized. 4 Programs of OpenPipe are such customized programs. The Iso program is based totally on LISP programs and there are only 4 small symbols or blocks to be inserted as in other programs, due to which there is a lot of saving of Disk space as well as the drawing also has very small size. Since the program is written in LISP, you can even modify it further as per your choice. The different piping entities are arranged on layers 1 to 6 (which is compatible with Microstation). Special Dialogue Boxes are created to make the program more user friendly.
PIPING ISOMETRICS can be run on Personal Computers, on a Pentium system with 32 MB RAM. It supports screen, pull-downs and icon menus, as well as, dialogue boxes. The program is specifically written for any CAD program.
Separate Menus are created for Metric and Foot-Inch Units units. The pull-down menu has all the options of isometric drawings.

ASTM package Bought so far by 24 parties
ASTM, Triclover and Victaulic package Bought so far by 11 parties
Isometric Drawing

SETUP: First we run this option from ISO pull-down menu and select North Direction. A drawing with all default values properly set, is set-up automatically. The size of the drawing is 420 mm wide and 297 mm high for Metric Units and 17" wide and 11" high for Foot-Inch Units. In the dialog box that appears, we enter drawing number, and line number. We then change P&I D Number as well as GAD Number using ddedit. Whenever program ask for angle of line, it is selected in degrees, as per CAD Standard angles.(0 degree for East, 90 degree for North, 180 degrees for West, 270 or -90 for South and any other angle in between).

Nozzle

NOZZLE: First we draw a vessel nozzle with four types of flanges attached to it, at any angle, using this option. When you click on this a dialogue box will open, showing the type of flange attached to nozzle. You can have Slip On, Weld Neck, Socket Weld or Lap Joint Flange. Select the proper flange connection. Dialogue Box will close and you are asked to select point location of nozzle on the pipeline and then through a Dialog Box, you can define nozzle side direction angle in degrees. Assign nozzle number or pump number to the nozzle. It will automatically draw a nozzle with flange and gasket and write nozzle or pump number.

PIPELINES: When you click on this, this offers twelve options.

PipePipe : We can draw all pipelines with diameter from 15 mm NB to 600 mm NB, using this option. It will set layer to linesize_1 and colour of layer to cyan.

SleeveSleeve : We can draw a sleeve put on a pipe. Program asks to select the pipeline, and then we enter the description of the sleeve in dialog box, and it draws the sleeve, and writes description.

InsulationInsulation : We can draw insulation symbol on a pipeline. Program asks to select the pipeline, and then enter the description of Insulation in the dialog box. Insulation symbol will be put on the line, and description is written on top of it.

ArrowArrow : To show direction of flow of a line, we use this option. We pick start point of arrow head on the line and point on the line towards tail of arrow. It automatically draws the arrow, and writes pipe NB above it.

TriangleTriangle : If a line is running at an angle other than North, South, East or West, or at an angle in vertical plane, we use this option to draw the other two sides of triangle. Program draws pipeline joining two end points of triangle and we continue pipe option. These lines can be used for hatching the triangle.

BoxBox : If a line is running at an angle other than North, South, East or West, as well as at an angle in vertical plane, we use this option to draw the lower two sides as triangle option and the program asks to select vertical distance. A pipeline joining two end points of box is drawn and we continue pipe option. These lines can be used for dimensioning the box.

SlopeSlope : To write slope of a line on a pipeline, we use this option. Program asks us to select a line, then a point in the direction of the slope, text to be written on line (eg. 1:100) and writes it automatically, after we select the text location, while drawing a triangle showing slope.

Linetype : We can change linetype of a line to continuous, hidden, hidden2, hiddenx2, center, center2, centerx2, phantom and phantom2.

Line BreakLine Break : We can put a line break at the end or anywhere in the line. We pick up insertion point and line break is inserted.

Pipe SupportSupport : Program asks to select pipeline. If line is inclined, it marks a support at the point selected, an arrow pointing upwards, and writes Cl of support. If line is vertical, it draws a horizontal line from that point and writes PS.

Change Layer to 0 : If the particular entity is not part of the the line, we can put it to layer zero and change its linetype to hidden, using this option. Program asks to select a number of entities, and then changes the same.

ContinueContinue : If the pipeline is not included in this drawing, it can be drawn with this. Line is drawn dotted. The program asks us to select first point, then second point. Through a dialog box, we can enter line number which appears above the line. We can also enter Drawing number in which that line is drawn. It is written below the line as C.O.D. and line number. It writes Centerline Elevation, below it.

VALVES: When clicked on this, this offers six options, which in-turn offers a number of options with the help of Dialogue Boxes.

Valves with Slip on Flanges

With Slip-on Flanges : We can draw gate, globe, plug, ball, check, wafer-check, diaphragm, butterfly and hydrant (or PSV) valves with this option. For check and wafer check valve, we select line angle through dialog box.

Valves with Weld Neck Flanges

With Weld-neck Flanges : We can draw gate, globe, plug, ball, check, wafer-check, diaphragm, and butterfly valves with this option. For check and wafer check valve, we select line angle through dialog box.

Valves with Socket Weld Flanges

With Socket-Weld Flanges : We can draw gate, globe, plug, ball, check valves with this option. For check valve, we select line angle through dialog box.

Valves with Lap Joint Flanges

With Lap Joint Flanges : We can draw gate, globe, plug, ball, check, wafer-check, diaphragm, and butterfly valves with this option. For check and wafer check valve, we select line angle through dialog box.

Socket Welded Valves

Socket Welded : We can draw gate, globe, plug, ball and check valves with this option. For check valve, we select line angle through dialog box.

Screwed Valves

Screwed : We can draw gate, globe, plug, ball and check valves with this option. For check valve, we select line angle through dialog box.
We select the option by clicking it. Dialogue Box appears on screen showing the type of drawing it will draw. We select the one required, by double-clicking. We click on the pipeline and in case of Gate, Globe, Plug, Ball, Diaphragm and Butterfly Valves, valve will be inserted in the line. For Check and Wafer Check valve, we pick up from dialog box the angle of pipeline in the direction of flow. The valve is drawn in the line in proper direction. We can enter valve number through a dialog box, which will be written near it. For Hydrant valve (or PSV), we double click on the end point of pipeline (osnap end is already set), pick-up from dialog box the angle of pipeline, and again pick-up from dialog box, angle of outlet of valve in the direction of flow. The Hydrant valve (or PSV) is drawn in the line. Program automatically puts these valves on layer 2, assign color of layer as cyan and also draws flanges and gaskets in the drawing. We can flip the valve.

SPECIAL FITTINGS: When we click on this, this offers six options through icon menu.

  1. Flow Transmitter with Slip-on Flanges
  2. Flow Transmitter with Weld Neck Flanges
  3. Control / Special Valve with Slip-on Flanges
  4. Control / Special Valve with Weld Neck Flanges
  5. Control / Special Valve with Socket Weld Flanges
  6. Spectacle Blind
Special Fittings

When we select this option a dialogue box opens. We select the special fitting by double clicking on the special fitting. For first 7 items, we click on pipeline. The Special Fitting is inserted in the line. In case of flow transmitters and control valves, program asks for fitting name and fitting number. Program automatically puts these on layer 2 and also inserts gasket in the drawing. For spectacle blind, we first click on pipeline, and then pick-up mid point of gasket. If line is inclined a spectacle blind is inserted in vertical direction. If line is vertical, spectacle blind is inserted at 150 degrees. If angle of flange is not same, we use flip fitting option to flip it.

FITTINGS: When we click on this, this offers ten options.

Single Flange

Single Flange : This has six options. Weld-neck, slip-on, socket-weld, lap-joint, screwed and blind flanges. We select the option by clicking it. A Dialogue box appears on screen showing the type of drawing it will draw. We select the one required, by double-clicking, and select the pipeline (osnap nearest is already set), and from dialog box we pick-up the gasket side angle of pipeline. The flange is inserted in the line. It asks whether gasket is required. If we say yes, gasket is put in line near the flange, in the direction of flow.

Double Flange

Double Flanges : This has four options. Weld-neck, slip-on, socket-weld, and lap-joint. we select the option by clicking it. A dialogue box appears on screen showing the type of drawing it will draw. we select the one required, by double-clicking and select the pipeline (osnap nearest is already set), and the double flanges are inserted in the line. It puts gasket in line between two flange.

Branch Connection

Branch Connection : This has nine options. equal tee, reducing tee, weldolet, threadolet, socolet, nippolet, stub-in, socket weld tee and screwed tee. We select the option by clicking it. A Dialogue box appears on screen showing the type of drawing it will draw. We select the one required, by double-clicking and select the pipeline. We have to then indicate the angle of side branch, through dialog box. The branch connection is inserted in the line. We can then continue drawing a pipeline. In case of reducing tee, weldolet, socolet, nipolet, threadolet and stub-in we are asked to select the size of branch pipe through dialogue box. Only valid sizes are offered for selection of reducing tees and a point is picked where the size is written. For stub-in, we select the pipe (osnap nearest already set). A weld is put on pipe, and we can draw the branching line.

Elbows

Elbows : We can draw 90 degree or 45 degree Butt Weld elbows, as arcs or as two lines. We can also draw socket weld or screwed elbows. Also, we can put a donut to indicate miter-cut. We select the option by clicking it. Icons appear on screen showing the type of drawing it will draw. We select the one required, by double-clicking. For inserting an elbow, we select the two pipelines near the end (osnap end is already set). The elbow is inserted in the junction of two lines. If we are using arc option, a point will be put at the intersection of the two pipelines, which can be picked as node during dimensioning. In case of miter cut, it asks to select the line and it puts a weld at the end of the line.

Reducers

Reducer : We can draw a concentric, eccentric flat-up, eccentric flat-down or swage. We select the option by clicking it. Dialogue Box appears on screen showing the type of drawing it will draw. We select the one required, by double-clicking, and select the point on the pipeline where larger end of reducer will be inserted (osnap nearest is already set), and then a point on pipe towards the side of smaller end of reducer. We are prompted for size of pipe on other side of reducer through a dialogue box. Only valid sizes are available. We are then asked to select a point where text will be written. Program calculates offset distance and writes it on reducer in case of eccentric reducers only. In all cases, it writes size and type of reducer at the text insertion point. The reducer is inserted in the line. An alert message tells us to erase lines on other side and draw pipelines with proper size. In case we select line angle as 90 degree or 270 degree for eccentric reducer, program ends action alerting that it can't be used in vertical lines.

Single Flange

Strainers : This offers 4 options. Y- Strainer with Slip-on Flanges, Y-Strainer with Weld Neck Flanges, Bucket - Strainer with Slip-on Flanges, Bucket-Strainer with Weld Neck Flanges. We select the pipeline, and the strainer with flanges is drawn in the line.

Couplings

Couplings : We can draw full and half, butt-weld or threaded, hexagonal, victolic and hose couplings. We select the option by clicking it. Dialogue Box appears on screen showing the type of drawing it will draw. We select the one required, by double-clicking and the pipeline. In first four cases, we are prompted for size of coupling through a dialogue box. We have to then select, through dialog box, the angle of side branch. It draws coupling and we can continue drawing pipeline. It writes size near the fitting. In case of hexagonal coupling, we select the pipeline, and then size of coupling from the dialog box. The hexagonal coupling is put in the line. It writes size near the fitting. In case of victolic coupling, we select the pipeline and the coupling is put in line. In case of hose coupling, we are asked for location of insertion and then angle of hose coupling, and it draws a hose coupling.
UnionUnion : With this we can draw a union. We select the option by clicking it, and the pipeline. The union is inserted in the line. We are asked whether it is butt-welded or threaded, to draw the appropriate one.
HoseHose : With this we can draw in-line hose which is like a bellow in a line, or flexible hose. We select the option by clicking it. Dialogue box appears on screen showing the type of drawing it will draw. We select the one required, by double-clicking, and the pipeline for hose and from dialog box, we pick-up the angle of in-line hose, or flexible hose. The in-line hose is inserted in the pipe and flexible hose is put at the point selected.
TrapTrap : With this we can draw a trap. We select the option by clicking it and the pipeline. The trap is inserted in the line.

Flip Fitting : With this we can flip any fitting in the pipeline.

BILL OF MATERIAL (BOM): With this we can write BOM and edit it. There are thirteen options:
Table with Dummy Entries

Table with Dummy Entries : Program asks for number of entries. We type in the last number of BOM list. It then asks for pipeline size. Program draws a table with 5 more empty lines. It writes serial numbers, line size in all rows and ? entry in quantity column. It writes desc in Description column. These are edited later, using ddedit command.
Automatic Bill of Materials : It searches for number of entities and writes in a table.
Edit Description : With this option we can change text in description column by selection of piping item from pull down menu. Program asks to select text to modify and then we can choose text from dialogue boxes. Text is written in place of desc. We can change or add description by editing iso10.lsp in notepad.
Edit text by Class (spec) : We select proper spec from pull down menu, and then program asks to select text to modify from the BOM table. We pick up text to modify and we can replace it by typing a text or by picking corresponding one in dialog box. We can also use short commands as displayed in command prompt.
Stud bolt Size : We can change the size of stud bolt in BOM table in two ways, Diameter in inches and length in mm or diameter in mm and length in mm. We further select the standard and class of flanges (ANSI or BS) and proper option from pull down menu. We then select the diameter of flange from dialog box and give number of sets of stud bolts. Program calculates number of bolts required for those many sets and ask to select text to replace the size and then quantity of stud bolts.
Nut bolt Size : We can change the size of Machine bolt in BOM table in two ways, Diameter in inches and length in mm or diameter in mm and length in mm. We further select the standard and class of flanges (ANSI or BS) and proper option from pull down menu. We then select the diameter of flange from dialog box and give number of sets of nut bolts. Program calculates number of bolts required for those many sets and ask to select text to replace the size and then quantity of nut bolts.
Change Number By : In case there is any change in tag numbers, we can change the numbers from -5 to 5.
Change Text Style to : With this we can change the style of text to either Romans or Iso3098B.
Oblique Text to : With this we can oblique the text so as to fit its rotation angle.
Text Height : We can change text height of the text you select to 2, 2.5 and 3 mm.
Move Bill Of Material : We leave a gap of one row after valves, pipes, fittings, flanges, gaskets and stud bolts. It can be done by this option. We select text to move and it will move it by one column down.
Find and Replace : If there is any addition in tags, the number may go up. To change these numbers in tags and Bill of Material Table, we use this option. The text that will be changed is shown on screen. We change the numbers in reverse order.
Erase BOM / Tags : If we use this option, all the tags and BOM Table with all entries will be erased.

DIMENSIONS: Dimensions have got six options.
Dimension for Vertical Lines

Dimensions for Vertical Lines : With this we can write dimensions, in four inclined directions, for a vertical line. We select the option by clicking it. Dialogue box appears on screen showing the type of dimension it will draw. We select the one required, by double-clicking, and the two end-points, or press enter to select the line, and indicate location of dimension text, and enter dimension text. The dimension is written on the line. In case of continued dimension, select last point option at location of dimension. (We just press enter when asked to indicate location of dimension text).

Dimensions for Inclined Lines

Dimensions for Inclined Lines : With this we can write dimensions, for inclined lines. We select the option by clicking it. Dialogue box appears on screen showing the type of dimension it will draw. We select the one required, by double-clicking, and the two end-points, or press enter to select the line, and indicate location of dimension text, and enter dimension text. The dimension is written on the line. In case of continued dimension, select last point option at location of dimension. (We just press enter when asked to indicate location of dimension text).

Dimension Symbols

Isodim Symbols : With this option we can draw a column reference as well as write texts as (+150), (HOLD), (REF), (TYP) below an existing dimension text. For this we pick-up option from dialogue box and then a dimension text. It is written below the dimension text. we can also write Cl El with a line from end point of an elbow.
Dim Text Height : We can change text height of all the dimensions to 1, 1.5, 2, 2.5 and 3 mm.
Gasket SignGasket Sign : We can put the gasket sign in dimension, using this. We pick-up end point of valve (osnap end already set), and pick-up inclination angle from dialog box.

Tags

TAGS : With this we can draw spool nos., bubble, instrument tag and tag for gaskets / nut-bolts. We select the option by clicking it. Dialogue box appears on screen showing the type of drawing it will draw. We select the one required, by double-clicking. In case of spool no, we enter the spool no as text and then pick a point where it should appear. We then select pipeline or fitting (osnap nearest is already set), and then select second point on spool tag to draw a line indicating the spool.
In case of bubble, we select pipeline or fitting (osnap nearest is already set), and then select second point where the tag no will be written. A tag no is displayed. We can accept it by pressing enter or type a new number and press enter.
In case of instrument no., we select instrument valve, or fitting (osnap nearest is already set), and then select second point where the tag no will be written. We fill in dialog box text for fitting type and number. Fitting tag appears.
In case of circle, we select the earlier circle at the top point (osnap nearest is already set), A tag no will be displayed. We can accept it by pressing enter or type a new number.

Hatch

HATCH: With this we can draw vertical or horizontal hatch patterns in 5 different ways by selecting three lines. In first 2 cases we can do horizontal hatching in 2 different ways. With third we can do vertical hatching. When we select a pipeline, program asks for dimension of this pipe, for each of the three pipes. It then runs zoom window command and ask us to select window to zoom the area where to write angle. After we write angle, it will zoom to previous view.
With fourth and fifth option, we can draw vertical or horizontal hatch patterns by selecting three lines. After we select each line, program asks for the length to be written as text. After hatch is drawn, program writes length of the three lines. It then runs zoom window command and ask to select window to zoom the area where to write angle. After we write angle, it will zoom to previous view.

Weld

WELD: With this you can draw welds or ends. Six options are available. Butt-weld included in this drawing option will draw filled donut, Butt-weld not included in this drawing option will draw hollow circle. Other options will draw socket-weld, screwed end, field weld, field fit weld. We select the option by clicking it. Dialogue Box appears on screen showing the type of welds/ends it will draw. We select the one required, by double-clicking. Then we select pipeline (osnap nearest is already set), where a weld or end is drawn instantly.
DATA: It gives data of following items.

  • Pipe : Pipe OD and Half OD in mm.
  • Fittings : Length of following fittings
    1. 90 long radius Elbow
    2. 90 short radius Elbow
    3. 45 Elbow
    4. Equal Tee
    5. Reducing Tee
    6. Reducer
    7. Weldolet
    8. Cap
  • Flanges : Weights, lengths, diameters of Slip on/Weld Neck flanges for ANSI 150, 300, 600, 900, 1500 and 2500 # flanges. We select Flange diameter and we get all the information.
  • Stud Bolt : Numbers, lengths, diameters of stud bolts for Slip on/Weld Neck flanges for ANSI 150, 300, 600, 900, 1500 and 2500 # flanges. We select Flange diameter and we get all the information.
  • Valves : Flange to flange distance for gate, globe and check valves of 150, 300 and 600#. We select Flange diameter and we get all the information.
  • Distances :
    1. Minimum pipe between Elbow and reducer.
    2. Between End of Reducer to center of tee.
    3. Between End of Reducer to center of 90 degree Elbow.
    4. Between center of tee to center of tee.
    5. Between center of tee to center of 90 degree Elbow.
    6. Between center of 90 degree Elbow to center of 90 degree Elbow.
    7. Between center of 90 degree Elbow to center of 45 degree Elbow.
    8. Between center of 45 degree Elbow to center of 45 degree Elbow.
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