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The Simple Hydraulic Calculator


Welcome to The Simple Hydraulic Calculator - a free to try (only $275 to buy) fully functional hydraulic calculation program for your personal computer (download).

TSHC ProgramThe Simple Hydraulic Calculator (TSHC for short) will hydraulically calculate your sprinkler systems using the Hazen-Williams friction loss formula in accordance with NFPA 13.

TSHC can handle grids, trees, loops, and virtually any custom system you create - even multiple water sources!  Plus, TSHC is not artificially limited - over 32,000 nodes and 32,000 pipe may be used in a system!

TSHC EditorWith TSHC you enter your sprinkler system data using TSHC's fully featured modern syntax highlighting editor.  Errors are highlighted in real time.  Command formats are shown at the bottom of the window.  "Proposals" anticipate the next command or parameter and type it for you.  Comments can be included on every line.  Plus, the "popup helper" eliminates the need to memorize fitting codes or pipe material codes!
TSHC WizardTSHC even includes a "system wizard" for quickly creating gridded and tree systems.  Just fill in the values for your sprinkler system.  When finished, the "wizard" types all the commands needed right into the TSHC editor!  And while the "wizard" is great for quickly entering a one or two main system, powerful "grid" commands allow you to manually enter even more!   TSHC does not have confining limitations on how complex your system may be.
Calculation ResultsBut entering your sprinkler system is only half the job.  Evaluating the design is just as important.  That's why TSHC includes a complete calculation results window with all relevent system, pipe, and node data.  The data can even by sorted by specific values.  Just click on the column headings!  This window may be open at the same time as the TSHC Editor window so you can make changes easily while referencing the last calculation results!
When your design is done, TSHC can create the hydraulic calculation reports that your AHJ expects:  Comprehensive summary page, full pipe and node information, source and device graphs, flow diagrams, and the hydraulic graph.  Reports can even be formatted for  letter portrait, letter landscape, and A4 landscape paper sizes!
Report Pipe Info
So if you or your organization needs a stand alone hydraulic calculation program for designing or reviewing automatic sprinkler system drawings, The Simple Hydraulic Calculator fits the bill.  Download and try The Simple Hydraulic Calculator today!

The Simple Hydraulic Calculator version 1.4 Feature List


  • No monthly/annual maintenance or renewal fees!
  • Hazen-Williams friction loss formula as required by NFPA 13

  • Supply and demand calculations

  • Multiple water sources (variable and fixed) supported

  • Multiple booster pumps supported

  • Multiple backflow preventers / fixed loss valves supported

  • Suitable for wet, dry, pre-action, and deluge systems

  • Velocity pressures or total pressures

  • Calculate tree, grid, loop, and custom systems

  • System wizard for easily creating tree and gridded systems

  • Hardy-Cross and Newton-Raphson methods of analysis

  • Metric or U.S. units and conversion

  • Supports over 32,000 pipes and 32,000 nodes.

  • Descriptive node and pipe names up to eight characters long

  • Automatic peaking of grid, tree, and loop systems

  • Automatic fitting equivalent length adjustment per NFPA 13

  • Editable pipe materials database

  • Negative elevations and pressures are allowed

  • Modern syntax highlighting editor with:

    • Real time error checking
    • Automatic "proposals"
    • new "Pop-up helper"
    • "LiveLook" information bar
    • new customizable Insert menu
    • Feet and inch input for length and elevations
    • Group editing of selection by value type (size, length, etc.)
    • Multiple undo/redo
    • Numerous keyboard editing shortcuts
  • Cad compatibility when using The Igneus Cad Utilities.

  • new Windows Vista compatibility
  • new Over 25 additional pipe materials now included
  • Shareware – try before you buy!