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4Z Cri Pct <br /> 54— <br /> � �- <br /> Appendix A <br /> 7150 Overfill Valve Upper Tube Calculation Worksheet <br /> important: This is meantto be supplemental worksheet and nota substitute to following the installation <br /> manual instructions. All length measurements are in inches. Please contact the Authority Having Jurisdic- <br /> tion (AHJ) and review local, state, and national codes to determine the regulatory requirements governing <br /> shut-off capacity in your region, as well as take into account other consideration; such as extreme tank tilt. <br /> Desired tank capacity for shut-off: s0%4 (X)Dipstick Number on Tank Chart that corresponds to 100% volume (Y) = (y) <br /> Dipstick Number on Tank Chart that corresponds to SO% (X) _ <br /> Upper Tube Reference Number Z=Y-X �Z) <br /> Upper Tube Depth Inside Tank C = Z-2" �� 2 <br /> Distance from top sealing surface for 7150 Lip' to Inside the �j l� i '— <br /> top ofStorage Tank2 / ��'! 5 b A= <br /> For Non-Testable 71 SO models only J <br /> In all cases for non-testable 7150 models, the top of the valve body must protrude at least 6 Vz" Into the tank to <br /> provide a minimal clearance for proper operation.' Additionally the total Upper Tube Length must beat least 16" <br /> of length to include the protective bend in the tube. <br /> Is C less than 615" Yes / NO <br /> If NO, Upper Tube Length (D)= C + A <br /> If YES, Upper Tube Length (D)= 61/2 "+ A <br /> .r <br /> Upper Tube Length = <br /> For Testable 7150 models only ' �� 6?''Vj ��� <br /> in all cases for Testable 7150 models, pp of the valve body must protfLde at leas Y: to the tank to pro e <br /> a minimal clearance for proper operation? Additionally the total Upper Tube Length must beat least 14 W of <br /> length to Include the protective bend in the tube. <br /> Is C less than 5" Yes / No <br /> I <br /> If NO, UpperTube Length (D)= C + A - 1 '/i " <br /> If YES, UpperTubeLength (D) = 6yz + A - 1 h " <br />�I <br /> Upper Tube Length <br /> Sealing surface maybe the top of the Face SeolAdaptor, the built in sealing ledge Inside some spill containers, or an non-vapor <br /> tight applications the top of the pipe nipple <br /> Some UndergroundStoiagetanks utilize amanwaysystem atthe top. Make sure to use the top ofthestorage tankformeasure- <br /> mentand not to top ofthemanway. Consult your underground tank manufacturerfor height of the manway <br /> 3 This measurement 15 taken from the seam where the upper tube is attached tothe valve body tothe inside ofthe tank top. <br /> 19 <br /> R E <br /> ED <br /> ter', <br /> 1 <br /> 12 2019 <br /> ENVIRONMENTAL HEALTH <br /> DEI'p+ RTMENT <br />