Laserfiche WebLink
PUMP SELECTI�ON PR�GEC��RE <br /> • p, Pump c�Oeciiy <br /> a�adY de�an�in�d fronrt PFtE�SUR� al$TR�BUTtC?N PA�E, line�7" <br /> Pump c�psaitY = �35� GPM <br /> " P�mp+�aijr �hould b�belw�een 20 an�4Q �PM far charging a m�nifold <br /> �'�RumP�ng to a gra�w#y situatior�, ie, a drop box or dist�ib�ution box <br /> B. De�ermine h�i requirerr�en� <br /> 1. �Iev�tlon dt�fe�tce Iaeiw�n pump and the paint of discharge = �2 <br /> 2. If pur�pjng t�a �re�ssur�di�ttibu#ion �ystem, �dd 5 feet t�f he+ad t�eq�ir�i at 11�� <br /> n�anlinJd. M purnpir� �O a g:r�vity system, u�e�ero ({1) lleet ot�head. �� <br /> 3. L�Isrmina friG�uDM loss <br /> a. Ent��oh toss t�ble with AI� 3�and pipe diatnsl�ar � <br /> r�c� �oss tw rx�s � <br /> �aw wi►'�'e � o� Fl.o��u� ais��r� ouu�r�� <br /> fil GP�! 1. 2 3 IN QPN 1.9 Z <br /> � 247 Q.79 0.11 � 6.�9 2�8 0.80 <br /> 25 3.7s 1.11 �,16 �0 6.81 �.8� 036 <br /> 1.65 D� 45 11.a/ 3.� D.�i� <br /> Fr�Eion bss = 2.�8 fib�et per 100 ft of pipe <br /> b. De�ern�ne�Otal pipe l�n�th from pump to d�scharg8 point � i6p.p <br /> Add 2596 to pipe I�n��h abave t,o�ccount far fi�ting lo�s � Z00.0 �est�ipe <br /> _.___� <br /> c. Cak.wl��I fic�on loss i�y multiplying friction lo� in ft/100 B3e by <br /> eq�uivele�t pipe Isn�th 83b above a <br /> 2.,,0�, X 20�d,00�M equels 41�z.t�p / 100 �+ 4.1 ft hesd <br /> C. To�al he�d requlrod is the sum qr the�Imvation dif�erence B9 plus addi�onal pr�ssure <br /> !br#he+meryifold B2 pll�s the totsl fri�tion 1v�s 36c. <br /> �` �-.�._.. P�� �0 plus 4.1. --- et�uals �_, 1.1 �,ft to�l head <br /> fl• Th� Pu� �'equir�s _.35,3 ,_gpm and 21,1 feet af head <br /> p'At3E 9 OF �7 <br /> bt 3Jdd JNIlG11G�X3 SN�1f1S ZL05-956-Z56 55�9t L00Zf6t/Zt <br />