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0 <br />Defender Spill <br />Upper Drop Tube <br />Overfill <br />ll <br />Seat surface of upper drop tubi <br />4 X I Top of Tank <br />Final Shutoff Volume - <br />(U.S.T.) <br />Lower <br />Drop Tube <br />"Y" <br />6" (152 mm) Max` <br />' If tical codes require this distance to be smaller, <br />subtract Ion than 6" 052mm) <br />Calculate final shutoff volume <br />Actual Tank Capacity <br />Laill-31 <br />Gallons <br />X (Multiply) <br />• <br />95 <br />Typically 95%" <br />— <br />Final shutoff Volume <br />PoedbnmW <br />mouning <br />(gallons) <br />ga = B <br />Final Shutoff Volume Height <br />To find Upper Drop Tube length "X" <br />■�," / 3S <br />Drop tube seal <br />wAea b <br />bosom of tenlc <br />_ (Subtract) <br />• <br />Flnr Wv" <br />"g" <br />volume height <br />- (subtract) <br />2'/." (63.5 mm) I <br />PoedbnmW <br />mouning <br />_ (equals) <br />edlualment <br />"� Upper fop TW �� <br />"A„ <br />"B" <br />To find Lower Drop Tube length "Y- <br />'13" ; � 3 " Flnel sh" <br />n „aumnhowd <br />- (subtract) <br />15% (400 mm) o ,fen' <br />- (subtract) <br />6' (152mm) To* bmOm <br />deerence <br />_ (equals) <br />6 � X5.48 �� 32� <br />t.owr Dm Tub" lin fi <br />Scanned with CamScanner \ <br />Scanned with CamScanner <br />