WebElevation Loss/Gain: Changes in elevation add or reduce pressure in the hoseline. ±5psi per 10 feet of elevation change or per floor when fire is inside a building. FDC - Standpipe and Combination Systems: 150 PSI ± 5 PSI per Floor unless otherwise specified on the connection. 200 PSI above the 10th Floor. FDC - Sprinkler Systems: 150 PSI to ... Webin the fire service, friction loss is defined as the loss of energy in pressure whenever water runs through hoses, fittings, and appliances. as water runs through hose, it rubs
Calculating Fire Loss on NFIRS Forms - U.S. Fire Administration
WebWith Hcalc you can calculate the friction loss in a circular pipe using the Hayes and Williams pressure loss formula which is specified in NFPA 13 and EN 12845 and in many other international design standards. You can specify the pipe size, flow rate, and the pipes C-factor and then Hcalc will calculate the pressure loss per meter and for the total pipe … WebCascade's nozzle discharge/friction loss Slide Calculator is a useful tool in wildland firefighting. It determines flows through nozzle sizes as small as 3/16” at practical fire … speech texts
Fire Pumping Calculations: Every Pump Operator’s Basic …
WebMar 18, 2002 · The Friction Loss sheet allows you to input GPM, pump discharge pressure, desired nozzle pressure, and elevation change and it will calculate the length of hose … WebSame hose at 400 gpm = 12.8psi friction loss Flow doubled 2 – So, friction loss is square of the doubling (2 = 4) thus (3.2 x 4 = 12.8) 3. 5For the same gpm friction loss varies inversely as the fifth power (X ). This principle proves the advantage of a larger size hose Ex > a 3in hose has 0.4 (40%) friction loss of that of a 2.5in hose. So ... WebCut out the entire chart below. 3. Fold in half along the center. 4. Fold in half again to create a square layout. 5. Tape each edge (4 spots) 1. CUT 2. FOLD 3. FOLD 4. TAPE. Title: GPM Flow Guide - Smooth Bore - Web Cut and Print Created Date: speech texter app