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Si I a1R1 <br /> T <br /> l ■ho.1010,Petro>11'1'-MLI)Icuk normal static syvtam pmhkurn,Lhrcr GPM.Thi,i:;the in(JicaLion to the <br /> dehxtur is:,three position,prcosun:- OPH'(tit,10 psi)is motored through the opanaor that a leak is prosenl.,.If <br /> sennin)!,piHlnn operated valve STP-MLC)into the piping s,ystnm.If if there are no leaks,pressum rapidly <br /> acsiL,iml to tx,ntinuously monitor the Irak k present that equals or exLnerds builds in the N,yslana forcing Lha <br /> piping by indicating any leakage ill dic Lhis omourlL,as much product escapes STI'-MLD to open to the 11,11-11uw, <br /> piping last.wven Lhe discharge and the morn the system as is metered through position.In a:it sWin with no leaks,it <br /> submersible pump and the solenoid Lhe ti'l'l'-MLD,Under this condition, Lakes approximately throat:uawnds for <br /> v;Jvc in as service Ht ation dispenser. pressum rrnnot.build up in the piping :,complete Lv,;L.No further line U%Ling <br /> talon List,submerged pump is system.Whon a nozzle i::opened,a L,kos pinc'e until the line pressum <br /> turned un alter Lhc system pressure, poppet in the STP-MIX moves to a drops significantly below Lhe..annul <br /> has dmppaxl sil(niflcauLly Ixdow the position that n•stricts the flow to 2 aLtal.ie Hysb•ni pressure. <br /> I b' <br /> I SMF I <br /> .. Liar <br /> a ♦ o <br /> 1. The Tripped or Bottom 2- Leak Sensing Position S.Non-Leak or Full Flow <br /> Position In this position the system prassum Position <br /> When the system is less than 1 psi,Use has increased to apprnxirnataaly 12 psi 'Phis position allows full flow.The <br /> piston and poppet are in flat: and all the now must l.r:rvol around poppet will remain in approximately <br /> "bottom"or"tripped"position. In this the metering pin which limits it to this patsition as lone{as Lhe systorn <br /> position of the poppet,product flow:; upproximah:ly if 3 OPI I rota:(;tet 10 psi). pros ir,remain-.:at admit Lhe <br /> through the horizontal hole in the pop- If then:is a lenk in the system which pumping pressuae.ll'Llac pmssure in <br /> 1w:t and around L6„metering pin at it will allow leakage to exceal I.his amount, Lhe system drol,s when the pump is <br /> rata:orappnmimakdy 2(;I,?M the lino pressum will not build hsyond turned(ills eil.hm duo Lr thermal <br /> flow inln Lhe:dalivery fins,when the Lhis lwint and the vulva will remain in contraction of I.he prorha:L fir duo to a <br /> sulrna:.ible pinup is runninl;.In th,:link w:nsinhP'ISition with the main look,the piston moves downward and <br /> nurua:d o1wrations the pipirr,e rernaius flow hlockc,l. I f there is,:an attempt Lo the poppet engaig.:s:red Heuls inside <br /> full or fluid anti when the Hubrnen ible dispunse while Lhc valvo i5 in this poNi- the cage at alwut:3 lasi,or approxi- <br /> pump is Luanne nn,wills a now rat of Lion,Lhc linn pressure will drop to fess mately 10 feet of heaul,in Ip,sadine, <br /> 'L GPM through the lxgalxd.,promure Lltan 1 psi,the piston will respond,and Any time the pump is turned on after <br /> builds rapidly and the poppet rmrvns to the poppet will rN.una to Position I Lhc sin]on the poppet it;inside Lem <br /> the leak sensing position. where 2 GPM will flow W tha dispensors, cagL,at line test will las porformed- <br /> Lcaks smaller than.3 GPH will Ix:indi- <br /> cated by the S'rP.MI.D laking lorq;cr <br /> than dtree seconds to open Lmnaplctely <br /> because some orthe now Ieaka,nut of ti <br /> thesystem and the rest builds pn:.llru. C �G SL <br /> If there is no leakage in the system, — I <br /> the small flow around the metering pia Fr ra.,t.rn, Inc.•4805 Voters Raael \. <br /> increases the line pressure and is P.O. Rox 1:37 is McFarinnd,Wl 53558 <br /> upproximalely three seconds the piston (608)8373-8786• Fax:(608)838.64:3:1 <br /> will move the poppet to Position 3. <br /> L Cl 2tiE9T9is6O2 QUI sJO2ve.14UO3 AI a2> 13 R41 : T1 so 20 Jew <br />