Calculations can be done in either metric or imperial units. Enter any two values and have the third calculated.Speed - Torque - Power page: Enter any two values have the third calculated. The free version is limited to 1 or 25mm line diameters.Orifice calculations can also be made using three parameters: Oil Flow, Orifice Diameter and Pressure Drop. Both mechanical and volumetric efficiencies can be used in these calculations.Hydraulic line calculations can also be done for fluid velocity, cross sectional area, Reynolds number and pressure drop. Cylinder calculations can be done to solve for extension / retraction forces or speeds.Pump calculations can also be done by entering combinations of displacement, oil flow and pressure to determine values for speed, torque and power. Fitting equivalent lengths are automatically looked up depending upon fitting type, size, and pipe material.The Free Hydraulic Calculator includes many basic hydraulic calculations. The pipe library allows up to 50 user defined pipe materials. Fire contains a built-in library of pipe materials that includes cast iron, copper, steel, PVC, and many others. In addition, the pipe length, nominal size, material type, and fitting quantities and types must be entered for each pipe section. If sprinkler heads are located at the pipe nodes, then the sprinkler K-factor must be given. The pipe data requires that each pipe section be defined as having a beginning and ending node number.
The general project data includes the project name and location, the client name, sprinkler specifications, hazard description, density requirements, hose stream allowances, hydrant test data, and other such data. Two types of data are requested: general project data and pipe segment data. Upon completion of the input process, all data is saved and can be reviewed and edited whenever desired. All input is checked at the time of entry so that no improper data can be entered.
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