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Appendix A <br /> 7150 Overfill Valve UpperTube Calculation Worksheet <br /> Important: This is meant to be supplemental worksheet and not a 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 considerations such as extreme <br /> � aatnk tilt. <br /> Desired tank capacity for shut-off: SO%t= /,=i'I3�111 <br /> Dipstick Number an Tank Chart that corresponds to 10094 volume (Y) = (y) <br /> Dipstick Number on Tank Chart that corresponds to SO% (X) _ mow (X ) <br /> Upper Tube Reference NumberZ=Y-X mow (Z) <br /> Upper Tube Depth Inside Tank C = Z-2" r 2 <br /> Distance from top sealing surface for 71 SO Lip' to inside the (C) <br /> top of Storage Tanks A=_ por <br /> For Non-Testable 7150 models only <br /> In all cases for non4estable 7150 models, the top of the valve body must protrude at least 6 %W into the tank to <br /> provide a minimal clearance for proper operations Additionally the total Upper Tube Length must be at least 16" <br /> of length to include the protective bend in the tube, <br /> Is C less than 6 'h" Yes No <br /> If NO, UpperTube Length (D)= C + A <br /> If YES, Upper Tube Length (D)= 6 V: '+ A l <br /> Upper Tube Length <br /> For Testable 7150 models only <br /> In all cases forTgsuble 71 SO models, the top of the valve body must protrude at least 6 Vs" into the tank to provide <br /> a minimal clearance for proper operations Additionally the total Upper Tube Length must beat least 14 Vi" of <br /> length to include the protective bend in the tube, <br /> Is C less than 5 " Yes ! No <br /> If NO, Upper Tube Length (D)= C + A - l !h " <br /> If YES, Upper Tube Length (D) = 6 Ys" + A - I 'h ` <br /> UpperTube Length <br /> ' SealingsurlacemoybethetopoftheFaceSealAdoptor, rhebuiltinsealingledgeinsidesomespillconrainers, oronnonovapor <br /> right applications the top of the pipe nipple <br /> Some UndergroundSraogeranks utilize amanwaysyttemat (he top, Make sure to use the top of the storage tank formeasure <br /> ment and not to rop of the manway. Consuit yourunderground tank manufacturer forheight ofthe manway <br /> s <br /> this measurement is taken from the seem where the upper tube is attached to the valve body to the inside of the tank top. <br /> 19 <br /> I <br /> i <br /> t <br />{4 <br /> E€ <br /> E <br />