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Apr 15 04 a9.2Oa Va' .-oto Pacific Petroleum <br />message <br />I. The Position flPPed or Bottom 2. Leak Sensing Posidott <br />When the system is less than <br />1 pal, the piston and poppet <br />are in the "bottom" or "tripped" <br />POVIVOn. in ibis position of. the <br />Poppet pibducl: flows through <br />the horizontal hole In the <br />poppet and around the <br />metering pin at a rate of <br />appmximtdely 2 GPM liar/ into <br />the delivery line when the <br />540mersible pimp is runnang. <br />In normal operaftna the piping <br />remains full of fluid and when <br />the hrru&-rsibtepump is <br />turned on, with a flog sate of 2 <br />GPd1Ji through the Poppe% <br />pressure, builds rapidly and the <br />Poppet moves to the leak <br />sensing position. <br />2Q5 -13 Isis <br />In this position tine system <br />!Pressure has increased to <br />appfOYJMately 12 psi and all the <br />flow must trsVel .around ft <br />metering pin wWjc s limits it to <br />appro)dmawy as GPH rate (at <br />90psi). If there is E leads in the <br />system which will allow leakage <br />to adcceed this a7aa nk the dine <br />Pressure will net build beyond <br />this point and the valve vAll <br />remain in the leak settling <br />position with the main flow . <br />blocked. If there is an attempt <br />to dispense while the valve is. in <br />this position,the dime pressure <br />will dMp toless then i psi, the <br />,piston will respond; and the <br />ed <br />poppret to Position 9 <br />3. Non-l-eak or gull Flow <br />Position <br />6 <br />m. <br />F. 10 <br />Wage 3 of 4 <br />This position allows €till flow. <br />The poppet VAR Mmain in <br />approximately this position as <br />tong as the system pressure <br />remains, at about the pumping <br />pressure. if the ;Pressure in the <br />system orops when the pump <br />is turned off, either due to <br />thermal COrltrac on of the <br />product or due to a leak, the <br />piston moves downward and <br />'the poppet engages. artd seats <br />inside the cage.st about Z psi, <br />or approxirnatefy 10 - eel of <br />head, in gasoline. Any time the <br />pump is turned on after ft <br />seal on the moppet is inside <br />the cage, $ line test will be <br />Wormed. <br />where 2 OPM veil flow to the <br />disperissrs. teaks smaller than <br />3 GPH will be indicated by the <br />STP -MLO taking longer than <br />Ahree se cisty open <br />COMPLeLety-00pause <br />- <br />and the rest builds pressure. If <br />there is no leakage in the <br />system, the small tow around <br />the metering pin increases the <br />line pressure and in <br />appoximately three seconds <br />the plsion will move the poppet <br />to Posmon 3. <br />MLDBaot <br />"Left click" to VIEW pdE. r:. To SAYE pdf'"Rlgbt Cock" a choose Cr <br />Corporate Submersible EMPD-F;acUanatHPMotprs FutplingSyMems intbaraBonal <br />4113/44 <br />ST 3E)dd i•OMA .HidIA PPbPRabPn7 <br />Rev. 0719a <br />TOP <br />) 7.:CT SCID7 /C -T ICM <br />