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SHEET. OF )•J <br /> ERVIN ENGINEERING W.G. 31 _q DATE. <br /> CIVIL ENGINEERS LAND PLANNERS CONSULTANTS (DENT. TJX� 1�021 <br /> 729 SOUTH PARK VIEW STREET • LOS ANGELES, CALIF. 90057 • 385.7134 CALCS byCK'D by <br /> RCE No. <br /> Tr�i.e �-1coM Ge2pUtiD w ATEtz � w�SLS >,aY <br /> 'EDwARD. E , 3pF4NSoN INC . <br /> TABLE XXXVIII—Loss of Head Due to Friction in Smooth Pipe' <br /> (approximate head loss, in ft,per 1,000 fl of pipe) <br /> &,,'wP.E:, <br /> Nominal Pipe Sue,in inches <br /> Y, 1'h 2 2`h 3 4 5 88 �01 <br /> 10......... 20 9 2 <br /> 15......... 44 20 6 <br /> 20.......... 79 35 10 4 1 <br /> 25.........123 55 16 6 2 <br /> 30.........178 79 22 9 3 <br /> 40.................142 40 16 5 ' <br /> 50.................222 64 25 8 2 <br /> 60....:.................... 90 37 11* 3 <br /> 75.........................140 57 18 4 1 <br /> 100..........................258 102 30- 8 2 <br /> 125.................................159 46 12 3 <br /> 150.................................228 68 17 5 2 <br /> 175 ......................................... 90 23 7 2 <br /> 200 .........................................122 30 9 3 1 <br /> 250............................................... 47 14 5 <br /> 300.:.........................;..........I.......... 70 - 20 8 2 <br /> 350................................................. 93 27 11 <br /> 400.' .............................................. 123 35 '14 3 <br /> 500. ............................................... 191 54 21 5 2 <br /> 600....................................:........ ............ 78 31 7 - <br /> 750.............................................. ............ 122 48 11 3 <br /> 1000................ 86 19 6 � ( n3' / <br /> 15.00............................................. .................... 194 43 15 `L„ loco <br /> 2000........................................................................... 76 22 10 <br /> . •For Rough Pipe,add 50%. <br /> I <br /> TABLE XXXIX—Approximate Head Loss Equivalents for Pipe Fittings <br /> (expressed in ft of straight pipe) <br /> Typo of FillingNominal Pipe Size, in inches . <br /> 1Y. 1 'h 2 2l 3 314 4 6 8 8 10 12 <br /> 900 elbow 314 415 5'h 6% 8 9'h 11 14 16 21 26 32 <br /> 450 elbow 1`h 2 216 3 4 4% 5 6 a10 <br /> 13 15 <br /> 90. elbow (long radiusi 2'h 3 4 415 5 6 7 9 11 14 17 20 \ <br /> Toes Soo note below <br /> Reducer 0 stop) large and 2 2111 3 3 15 4 5 6 8 10 12 15 18 <br /> Gate.valve (o an 1 1 1 'h 1 K2 2 2 S5 3 4 5 6 7 <br /> Gate.valve 1 chant, ^ n 20- -25. -.35 , 42- „,59. 58 65 80 100 130 170 00 <br /> Globe valve pert) 35 �45 55 67 80 100 115' 140 16D 215.-285 40 <br /> Angla valve pan) 18 24. 30 35 40 50 55 70 80 110 140 75 1 <br /> Swing the k 9 11 13 16 20 23 25 32 '45 52 65 80.) A-.$ i me �GD <br /> Toosvory4iththodinact.o.nof Dow through them.For straight-through now.tho head loss is about equal to that <br /> of lona4adius 90e elbow:when now is through•the branch,the head loss is approximately 3 times as greet. <br /> 1 'Public Alpe SCy, <br /> --------- -.___.__ <br /> `- .._�. <br /> - -__ ..._.......................................„, _..., <br /> j kr�ti�:�.�t <br /> EE-F-13 --•_•_ -•-••._----------- <br />