Laserfiche WebLink
Sizc <br />in. <br />�h <br />5� <br />Y� <br />1 <br />� I� <br />2 <br />s�7� <br />in. <br />2 <br />3 <br />a <br />G <br />F <br />SIZfNG TIiG CUSTOhfER'S SERVICE AND METER <br />TABLE 5.6 <br />Displacc�nenr-T�•pc Mercrs Mceting AR�{i�A Standards <br />Flmr-Pres.rru�c Loss �h�ernges oj 1990-dfode( Mclers <br />�faximum Capacity <br />AW1VA Plow Crilcria <br />gpm I psi <br />IS 7.9 <br />20 9.7 <br />30 10.4 <br />SO 9.A <br />100 10.6 <br />160 I I.3 <br />Rccommcndcd Design <br />Critcria-SO',b Cap. <br />RPm p.n <br />12 5.0 <br />15 6? <br />:4 6.7 <br />40 6.3 <br />SO 6.8 <br />130 7.1 <br />Cominuous Floa <br />Cri�cria-507o Ca� <br />8Pm psi <br />7.5 2.0 <br />10 ?.4 <br />I.i 2.6 <br />25 2.5 <br />50 2.7 <br />xo 2.s <br />TAQLE 5.7 <br />Conq�ound-Ttipe A4clers hlecti�rg A�1�LVA Standnrds <br />Flon�•Pres.c�ur Loss Arcrnges of l990-Aladcl blcicrs <br />Alaximum Capaciiy <br />nw���n n�w� c�«�� <br />APm psi <br />160 8.0 <br />320 7.2 <br />sixi � z <br />IOIXI RA <br />16(N) 14.5 <br />RemmmenJed Dezign <br />Cfill`fld-2i�S$ C8�1. <br />--qpm psi <br />130 5.1 <br />25S 4.G <br />4W 4.1 <br />8IX1 SA <br />13IX) 93 <br />Continuous Row <br />Critcria-507o Ca� <br />RPm psi <br />RO 2.0 <br />Itill I.8 <br />250 1.6 <br />SW 2.1 <br />R(Hl 3.8 <br />'I'AE3LE 5.8 <br />Gu.r.r // 7i�rhiitc-T��pc blctcrs blcering AA'14�1 Sra�tdurds <br />Flnn•-Pressurc Loss Arerages oj l990-A9odcl hlcre�:s <br />Nazimum Capacil� <br />A\V11'A I�loa� Cri�cri�i <br />RPm psi <br />IGU 4.0 <br />350 4.0 <br />bi0 2A <br />I -000 2.0 <br />z ana z.� <br />s x�xi 2.6 <br />5 UW 1.7 <br />RccommcnJcd Dcsign <br />Critcria-30^a Cap. <br />8Pm psi <br />130 2.5 <br />?80 2.0 <br />suo i.a <br />I 100 L2 <br />I 900 1.7 <br />s oa� i.a <br />aoa� i.i <br />Cunlinuous Flo�r <br />Critcria-50,^o Ca� <br />.qpm psi <br />IW 1.0 <br />240 .9 <br />azo .� <br />9?0 .$ <br />1 600 .7 <br />z soo s <br />3 300 .4 <br />45 <br />8nnds <br />IndudcJ <br />in Avcr�gcs <br />5 <br />5 <br />5 <br />1 <br />a <br />[)ranJs <br />Includcd <br />in Avcragcz <br />5 <br />5 <br />5 <br />5 <br />&ands <br />Includcd <br />in A��cragcs <br />.5 <br />5 <br />$ <br />5 <br />$ <br />5 <br />5.9 as thc equi��alent Icngth oF straight pipe that will givc the frictiun loss th2t ��-ill <br />occur as the wuie� passes through the fitting. The values will be approximate in some <br />cases because the pipe's inside diameter is based on the size of the fittings, and in some <br />cases the inside diameter will be slightly larger ur smaller; however, the effects of the <br />error wi!I be negiigibl� and the values are considered sufficiendy accurate for the <br />purpose of this manual. <br />Pressure-reducing ��ah�es are used in mountainous an�+ hilly areas to protect thc <br />