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s � <br /> ,jj I <br /> tri <br /> 67 "AY 2 0 2 1 � <br /> p . 9 I <br /> getermine drab tube lendONMr <br /> Defender Spill Contain ant ( Ref. ) n RT ��� ��14 <br /> nT <br /> Seat surface of upper dro tube <br /> y f <br /> ° "X" Top of Tank <br /> trXu <br /> Upper Drop Tube <br /> Final Shutoff Volume" <br /> __::.yam i\sL`-._ '• <br /> Overflll Prevention Valve <br /> "A„ <br /> (u .S .T.) <br /> Lower <br /> Drop Tube r,Y„ <br /> lei <br /> ir <br /> „Y„ <br /> 6" (152 mm) Max* <br /> Bottom of Tank Not to sale <br /> * if local codes require this distance to be smaller, <br /> subtract less than 6" f152mm1 <br /> calculate final shutoff volume <br /> 7o find Upper Drop Tube length "X" To find Lower Drop Tube length "Y" <br /> Actual Tank Capacity Drop tube seat n Final shutoff <br /> " All <br /> surface to " B" �q • 2 5 volume height <br /> gg � Gallons f1 bottom of tank (subtract)V (Subtract) ( OPV Length <br /> X (Multiply) 3/° (400 mm <br /> a Final shutoff 15 ) offaet <br /> 95 Typically 95`16*11 " a" �q • 25 volume height (subtract) <br /> splll4 (subtract) „ Tank bottom <br /> Final shutoff volume Position and 6 ( 152mm) clearance <br /> rJ (a�j (gallons) <br /> 2%a' (63 .5 mm) mounting <br /> adiusiment ( <br /> _ (equals) (equals) <br /> uY„ 77 • N <br /> B "X" 3 2 <br /> Upper Drop YubaLenglh Lov.'erDro Tu6al.ength <br /> Final Shutoff Volume Height — <br /> �� (' ( 32 'l� '') 177 iIr <br />