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Introduction System Description <br /> 1/8-inch Dia. Star Washer Large Counter-Sunk <br /> Hole Hole(1/2-inch Dia.) <br /> 6C> <br /> Standard Check Valve Precision Check Valve <br /> , kwi.eps <br /> Figure 2. Comparison of Standard and Precision Check Valves <br /> System Description <br /> The PLLD System performs 3.0 gph leak tests following each dispense.The PLLD <br /> System allows line tests at full pump pressure for highly accurate 0.1 gph tests. Since <br /> PLLD executes these tests automatically,there is no need for separate annual line leak <br /> testing. <br /> Table 1 shows the three versions of the PLLD System available,depending on the <br /> brand of pump and the PLLD valve type chosen: <br /> Table 1. PLLD Systems <br /> Pump Brand Valve Type PLLD Part No stem <br /> FE Petro None* 848480-001 <br /> Red Jacket--3.0 gph tests only None** 848480-001 <br /> Red Jacket,Tokheim,and Bennett In-line check valve 848480-002 <br /> Red Jacket,Tokheim,and Bennett SwiftCheck Valve 848480-003 <br /> (optional) <br /> *Requires a Precision Check Valve(FE Petro Part Number 400153925)to be <br /> installed[Figure 1 and Figure 2 on page 5]. <br /> "Requires an adjustable functional element(seepage 4)to be installed. <br /> 576013-902,Revision G 5 <br />