Laserfiche WebLink
OSTP Pump Selection Design <br /> UNIVERSITY <br /> Minnesota Pollution ''� ;. <br /> Worksheet OF MI NNESOTA '� �"�" <br /> Controi A enc _ .,�.�,�� <br /> _ _--- -- - <br /> 10. Equivalent length oF pipe fittings_ Equivaleni Len�th Factors(ft.)for PVC Pipe <br /> Fittings <br /> Section 10 is for Collection Systems dNLY and dces NOT need to be <br /> comp(eted(or irrdrvidua!wbsurface sewoge treatment systems. � Fitting Type '�R��a�eter�in.)3 <br /> Quantity X Equivalent Length Factar=Equivalent Length Gate valve 7.07 �.3B 2.oa <br /> 90� �eg E�bonv 4.03 5.17 7.67 <br /> FittingType Quatrtity Equiva[ent Equivalent a5 Dev Elbrnv 2.�5 2J6 4.09 <br /> Le►tgth Factor Length(ft) Tee-Firnv Thru 2.68 3.a5 5.11 <br /> j Tee-Branc av 8.05 10.30 15. <br /> GBte Valve X - Swing Check Valve t3.a0 t7.20 25_50 <br /> 90 Deg Elbow X = � Angle vatve 2D.10 25.80 38.a0 <br /> Globe Valve 45.6Q 58.6p 86.90 <br /> 45�eg Elbow X = � Butterfly Valve - 7.75 11.50 <br /> Tee-Flow Thru � X = <br /> Tee-Branth Ftow X - NOTEc Equivatent tengtfi va(ues for PYC pipe <br /> Httings are based on calcutations using the Hazen- <br /> Swing Check Valve X - Williams Equation, See Advanced Designs for S5T5 <br /> Angte Valve X = for equation. Other pipe ma[erial may require <br /> Globe Yatve X = different equivatent length factors. Verify other <br /> equivatent tength fadors wtih pipe material <br /> Sutterfly Valve X a manufacturer. <br /> Valve t� X = NOTE:System inscalter shoutd contact system <br /> Vatve 11 X _ desiBner if the number of fittings varies from the <br /> desiRn to the adual installatlon. <br /> A. Sum of Equivatent Length due to pipe fit[ings: �ft <br /> Hazen-Wi!liams Equation for h <br /> B. Total Pipe Lengtii =Supply Pipe Length(5.6)+Equivatent Pipe Length(9.A.} ��� > <br /> �(Q-(,�� s, :;�I <br /> � ft � �ft =�tc �1 i = Da.s� <br /> C. Hazen-Wittiams friction(oss due to pipe fittings and supply pipe(h�}: Q in gpm L in feet D in inches C=130 <br /> (70.5 = pipe Diameter'87y X (Flow Rate � Constant)'�85 X Total Pipe Length(10.B) <br /> 4.87 <br /> (10.5 : in ) X (�9Pm=130)'� X �ft =�ft <br /> ��• Toto!HeQd requirement is the sum of the Etevation Difjerence (Line 3),the Distribution Head loss(line 4),Additional Head Loss(Line 5j, <br /> and either Supply Friction Loss(Line 9),or Friction Loss from the Supply Pipe and Pipe Fittings for cotlection systems(Line 10.C) <br /> NOTE:S�pp(y Friciion Loss(tirre 8)need ONLY be used if NOT a calfection rysfem. <br /> N(3TE:Friction Loss from the Supply Pipe and Pipe Fittings(Line 9.C)need ONLY be used if system is a cdtection system. <br /> 19.0 ft + 5.0 ft + ��n + 7.2 rc = 31.2 tt <br /> 3. PUMP SELECTION <br /> A pump rtwst be selected to detiver at least 3g GPM(Line 1 or Line 2)with at least 32 fee[of totat head. <br /> Comments: P�P tYP� <br />