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1 <br /> i <br /> Af <br /> o1v <br /> Determine (lraVube lent the <br /> � 40 <br /> ����L tiZ� <br /> Defender Spill Contain ant (Rei.) <br /> Seat surface of upper drop tube <br /> o "X" ,rXer Top of Tank <br /> Upper Drop Tube <br /> r - Final Shutoff Volume" <br /> overfill Prevention Valve <br /> it As ) <br /> (U .S.T. ) <br /> Lower 11W <br /> Drop Tube rrY„ <br /> „Yr, <br /> 6" ( 152 mm ) Max* <br /> Bottom of Tank Not to scale <br /> if local codes require this distance to be smaller, <br /> subtract less than 6" (152mm) <br /> Calculate final shutoff volume <br /> To find Upper Drop Tube length " X" To find !_ower Drop Tube length "Y" <br /> Actual Tank Capacity r, Drop tuba seat -- in Final shutoff <br /> Gallons ^A" 133`v . 50 surracelo " 6" Rq . ZJ volume height <br /> bottom of tank <br /> � <br /> X (Multiply) (subtract) - (subtract) OPV Length <br /> f1 FLtal shutoff Min (400 mm) Offset <br /> 95 Typically 950.6-N " D" `� q • 25 volume halght - (subtract) <br /> (subtract) Tank bottom <br /> Final shutoff volume 2yzPosition a <br /> " (i <br /> • (63.5 mm) mounting nd 652mm) clearance <br /> (gallons) adjustment - (equals) <br /> J � � eel = (equals) <br /> q� 2� g�1 t UyparpropTuhalanglh LouergroPnlsaLen rh ---- - ^— - <br /> l!� Final Shutoff Volume Height <br /> ( 33 31q 11 <br />