Laserfiche WebLink
Pill �. <br /> C <br /> DETERMINE DROP TUBE LENGTHS <br /> Defender Spill Containment (Ref.) <br /> Seat surface of upper drop tube <br /> 0 <br /> X„ «X„ Top of Tank <br /> Upper Drop Tube <br /> - Final Shutoff Volume** <br /> Overfill Prevention Valve/ <br /> «A„ <br /> (U.S.T.) <br /> Lower "B„ <br /> Drop Tube <br /> «Y„ <br /> rr <br /> Y <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 Lower Drop Tube length"Y" <br /> Actual Tank Capacity Drop tube seat -Til Final shutff <br /> Gallons „A„ " surface to volume height <br /> bottom of tank <br /> X (Multiply) - (Subtract) - (subtract) <br /> OPV Length <br /> 95 Typically 95%** „g„ Final shutoff 15Y4"(400 mm) Offset <br /> — volume height _ <br /> (subtract)Final shutoff volume (subtract) Position and 6"(1 52r Tank bottom <br /> (gallons) 2'/i'(63.5 mm) mounting clearance <br /> _(equals) adjustment =(equals) <br /> = B „X„ „Y„ <br /> Final Shutoff Volume Height Upper Drop Tube Length Lower Drop Tube Length <br />�-.. 6 C <br />