Laserfiche WebLink
City of Zephyrhills - New City Hall Drawing Date: 7-12-17 <br />Page 3 <br />-------------------------------------------------------------------------------- <br />FITTING NAME TABLE <br />ABBREV. <br />-------------------------------------- <br />NAME <br />-------------------------------------- <br />C <br />Coupling <br />E <br />90' Standard Elbow <br />F <br />45' Elbow <br />S <br />Straight Flow Thru Tee <br />T <br />90' Flow Thru Tee <br />V <br />Valve <br />LEGEND <br />HYD REF Hydraulic reference. Refer to accompanying flow diagram. _ <br />K FACTOR Flow factor for open head or path where Flow (gpm) = K x -\/P <br />Qa Flow added or subtracted <br />Qt Total flow <br />DIA Actual internal diameter of pipe <br />C Hazen Williams pipe roughness factor <br />Pf/ft Friction loss per foot of pipe <br />PIPE Length of pipe <br />FTNG'S Number of fittings. See table above. <br />TOTAL Total length (PIPE + FTNG'S) <br />Pt Total pressure (psi) at fitting <br />Pe Pressure due to change in elevation <br />where Pe = 0.433 x change in elevation <br />Pf Friction loss (psi) to fitting <br />where Pf = 1 x 4.52 x (Q/C)^1.85 / ID^4.87 <br />Pv Velocity pressure (psi) <br />where Pv = 0.001123 x Q^2/ID^4 <br />Pn Normal pressure (psi), where Pn = Pt - Pv <br />NOTES: <br />- Pressures are balanced to 0.01 psi. Pressures are listed to <br />0.1 psi. Addition may vary by 0.1 psi due to accumulation of <br />round off. <br />- Calculations conform to NFPA 13. <br />- Velocity Pressures are not considered in these Calculations <br />