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Date Code <br />(YYMM) <br />ID Plate <br />Top View of "65 PSI" Check Valve <br />FE PETRO® TECHNICAL BULLETIN <br />TB010 <br />May 20, 2004 *Franklin Fueling Systems <br />Check Valve Models <br />The check valves produced by FE Petro were developed to accommodate a variety of electronic and mechanical <br />equipment used in Line Leak Detection today. Electronic Line Leak Detectors manufactured by several companies <br />require that the line pressure relieve to a certain pressure (in PSI) to conduct a proper leak test. This relief pressure <br />varies depending on the requirements of the electronic equipment. <br />FE Petro's Check Valve Models <br />Model "STD" Part Number 40098893 <br />• Opens at about 40 PSI (2.8 bar). <br />• Resets above 35 PSI (2.4 bar). <br />• Typically used for Mechanical Line Leak Detectors (MLD) and <br />Incon, Emco Wheaton, and RJ ST). <br />• Identified with Silver ID Nut. <br />Model "R" Part Number 400988932 <br />• Opens at about 24 PSI (1.7 bar). <br />• Resets at about 22 PSI (1.5 bar). <br />• Typically used for Veeder Root Electric Line Leak Detectors (PLLD). <br />• Identified with Black ID Nut and "R" stamped on top of washer. <br />Model "W" Part Number 400988933 <br />• Opens at about 16 PSI (1.1 bar). <br />• Resets at about 13 PSI (0.9 bar). <br />• Typically used for Electronic Line Leak Detectors Systems that require <br />• Identified with Silver ID Nut and "W" stamped on top of washer. <br />low reset pressures. <br />some electronic line leak detectors (i.e., <br />Model "65 PSI" Part Number 402459931 (new in October 2001) <br />• Opens at about 70 PSI (4.8 bar). <br />• Resets at about 65 PSI (4.5 bar). <br />• For use on Secondary pumps in manifolded systems only, where applicable. <br />• Sold as a replacement part only, not factory installed. <br />Note: When ordering FE Petro STP/ISTs, the STD model check valve is implied unless specified otherwise. Always <br />consult with Line Leak Detector manufacturers before choosing a check valve. All FE Petro check valve <br />models are AG compatible (see Technical Bulletin TB011 for a thorough definition of AG). <br />"R" or "W" Stamp <br />If there is no stamp, <br />then assume "Std". <br />ID Nut <br />Top View of Check Valve <br />(R" shown) <br />ID Nut: Silver= "Std" or "W", Black = <br />Please contact Technical Support if we may be of any assistance. <br />Franklin Fueling Systems • 3760 Marsh Rd. • Madison WI 53718 USA <br />Tel: +1 608 838 8786 • 800 225 9787 • Fax: +1 608 838 6433 • www.franklinfueling.com <br />PAGE 66