Hcalc is a simple Hydraulic Calculator and will allow fire sprinkler engineers to check calculations or solving simple hydraulic calculation. With the Hcalc App you can find the pressure loss in pipework using the Hazen Williams formula which is specified in the NFPA 13 and EN 12845 for fire sprinkler systems. You can changed any of the 3 variables, flow, C-factor and the pipes internal diameter and the pressure loss will be calculated. The second part of the calculator is used to solve the K-factor formula given the flow, K-factor or pressure at a nozzle or fire sprinkler head given the other two factors.

May 16, 2017 - Download FHC for free. FHC is a fire sprinkler hydraulic calculation application.

By using the slider controls to vary any of the variables (flow, K factor, pressure) you can see the effect they have instantly. Please remember to press the calculate button after you have made a change! This version is in metric units only.

HASS ( Hydraulic Analyzer of Sprinkler Systems), developed by mathematicians and registered professional engineers, was first licensed in 1976 as a tool for easy use by engineers, sprinkler contractors and reviewers alike. HASS, typically licensed in five year increments, gives you the tools you need to determine water supply adequacy based on system demand and distribution piping. With HASS, you can perform hydraulic analysis in accordance with NFPA 13, 13D, 13R, 14, 15, 20, 24, 750 and other standards, calculating any connection of nodes and pipes. You get major revisions, year in and year out; improvements or new features at no extra charge for the duration of the license period. You can use HASS for calculations with either the Hazen-Williams formula or the Darcy-Weisbach formula using total or normal pressure friction loss considerations.

Darcy-Weisbach is used where specified (e.g. Antifreeze systems, water-mist systems, flow of foam concentrate and other liquids), while Hazen-Williams is used for sprinkler systems (grids, trees, and loops), water spray fixed systems, standpipe systems, yard main (hydrant) systems, AFFF systems, and any other flow of water through pipes under pressure..

Systems with multiple sources, multiple pumps (with a tank, reservoir, or public main), or multiple fixed pressure loss devices or multiple riser feeds. With either formula, there is no limit to the K-factor of the flowing nozzle, pressure reducing valve or sprinkler. You can readily adjust pipe sizes as you optimize the design. HASS gives you more than just the ability to calculate.

For gridded systems, the Grid Estimator gives suggested sizes, and automatically generates node and pipe data. Similarly, the Tree Generator gives node and pipe data using the ordinary hazard piping schedule, or uses pipe sizes you specify. When you use the System Builder, you can combine pipe segments into branch lines, locate cross mains and riser nipples, then let the System Builder automatically generate node and pipe data..

Ideal for more complex piping arrangements such as multiple cross main grids. (In each of these cases, the Pipe-to-Source Option lets you tie the system to the source before generating data.) HASS gives you a battery of Options, Utilities, File and Search abilities, so you can develop equivalents for a K-factor, branch line, rolled grooves, or fitting lengths as well as summarize flow test results, merge two data files, renumber node/pipe tags in sequential order, set program defaults and adjust various operational range settings. HASS is available in English or Spanish language formats with English or Metric units. A translator option allows you to modify the headers for data entry and reports.

HASS printed reports follow the 2007 NFPA 13 format or the pre 2007 format and include calculation results as well as graphics N1.85 water supply curves and flowplot diagrams. ● Node and Pipe Data: automatically generated by Grid Estimator, Tree Generator, and System Builder.

● Minimum Pipe Sizes: determined by Grid Estimator. ● Deluge Option: automatically generates a system with all sprinklers flowing. ● Grid Estimator: gives proposed sizes and automatically generates node and pipe data. ● Tree Generator: gives node and pipe data using ordinary hazard pipe schedule or specified pipe sizes. ● System Builder: develops complex piping arrangements, especially three or more cross main grids with riser nipples. ● Header Translator: converts data entry (and report) headers to other languages. ● Pipe-To-Source: option ties the system to the source before developing the Grid, Tree, or more complex systems ● Intelligent Tag Generation: assigns the next sequential tag from the current tagging scheme.

● Pipe Tables: entry by nominal diameter and fittings by letter; if desired, actual pipe sizes may also be used. ● Fire Pump: entry by rated flow and pressure or by five points of pump curve. ● Meter, Backflow Preventer: entry by manufacturer's pressure loss data. ● PRV Toolbar Button ( Pressure Reducing Valve): allows control over maximum pressures for hose streams and sprinklers. ● Global and Individual Changes: accelerates the editing process for both nodes and pipes. ● Insert and Delete: make node or pipe changes at any point in the data sequence.

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