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--n- Determine drop tube____ ems <br /> � r^"v Defender Spill <br /> • r Conlainm.,v ri ,i 1 <br /> 17 <br /> a� <br /> „� ��-�-^ ��„�„..•_.. / ��_ k� Seal surface of upper dro tube <br /> Top of Tank <br /> Upper Drop Tube �— <br /> (' ` 'r i— Final Shutoff Volume" <br /> Overfill Prevetilun,Vnb.0 <br /> "All <br /> I <br /> - I (U.S T I I <br /> i D,,. .n... ..g„ <br /> '(152 mm)Max* <br /> Tank of Tk <br /> Not to Scale <br /> If local codes require this distance to be smaller,—! <br /> subtract less than 6"(152mm1 <br /> Dro e rube {e.k.( 1?0,31V 4 0 lio.-r 4- <br /> i� Calculate final shutoff volume <br /> To find Upper Drop Tube length"X" To find Lower Drop Tube length"Y" <br /> Actual Tank Capacity rr Drop tube seat Final shuluil <br /> Gallons „A„ 7 bottoms to "B" I •S volume hOKtht <br /> bottom ollenk <br /> X (Multiply) <br /> (Subtract) - (subtract) <br /> i OPV Length <br /> 9� Typically 9596" g" vs,S FinalshutoB i, 15%'(400 mm) ot.t <br /> volume height _ (subtract) <br /> Final shutoff volume - (subtract) Tank <br /> Position and 'i .5;'(152mm) clow. <br /> (gallons) 2/�"(63.5 mm) mounting <br /> od}us1.1 <br /> _(equals) _(equals) <br /> B C6-/ O& „Y„ I y �5 <br /> Uppo Drop Tale lcr✓!ih Lmve, ,o lutn LM ll, <br /> Final Shutoff Volume Height <br /> - - <br />