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IMPORTANT: The inuftuations below fa the 7159 <br />Overfill Pretrentfun Valve aro written for tate initial <br />stage W"toKat 95% but can be adju Ned to shutoff <br />at any desired tank apardtyo plewse cantad the Aw <br />dwity having Jur6dkdon IAl1J) and review kcal <br />stato, and eutHonai cedes to detamkra the regulato- <br />ry regr,Atnereerds governing shut-offcapacity in your <br />m9mm , as well of take ktta acrwj rt Other consklera- <br />tiemw wall as extreme rank tilt M all cases, the up- <br />per <br />per tube mucin pcatawdr into the tank at least 6 712' <br />to ensure that the valve can shut alit (low into the <br />tank completely Ware the top of the tank Is wettibd <br />a s peer EPA requtre ram <br />Nf�W TQ t.00ATE THE 1tQ51'1'ION t}f THE 71$O AT <br />M% TANK CAPACITY <br />($hut-vllp 1nts am be od)4sdedto any capacity to <br />c ompty wl th Ahtl ft4Wkernentsl <br />The length of the upper tube and the placement of the <br />71 SO valve body cletenrrinettle shut-off point- Fallow- <br />ing the standard insrruaiom for the DPW 7150 will pro- <br />vidrfor iniltal shM1f aI 9546. In all cases, the uppef <br />tUbe length must be a minimum 6f 6.112" plus the <br />length of the riser pipe. All length measurements are In <br />inches. <br />IltSTRUCTI(:AtS <br />s) finCtank capa&y(1rt9ailarts;horn tank�llfXatton <br />chart provided by tank manufacruter. <br />2) calculate 95% of capacity <br />3) locate the 95%vnbumenumber onthe tank calibra- <br />tion chart. <br />4) Find the dipstick ntxnber (X) which corresponds to <br />the 95% tank vnfurtre. And, Find the dipstick num- <br />ber (Y) which corresponds to the 100% volume. <br />5) subtract the dipstick number (X) from the tank di- <br />ameter M to fire! tt)e upper tube reference number <br />M_ <br />fel -11(1= tr1 <br />6Y Subtract 2"from (2:} to find dee upper rude dEpth <br />(Z) -Z' -C <br />7Y kClessthan 6-1/2't <br />NO Uppev tube <br />length is C plus the drstancefrom <br />the top of the Face Seal Adaptor installed on <br />the riser pipe to the inside, top lip of the storage <br />tank(A). <br />per Tube Length = C + (A) <br />jFw t"oble models only, ending in'T": <br />lUpiper Tuba kgngth=C+(A)- 1"712"" J <br />YES Upper tube length Is 6,1/2" plus the riSerpipe <br />rneasumment (A). <br />Per rude length = t; ,I + (A) <br />For testable modals only, ending in "T") <br />[JpperTubeCQn =6112"+(Ay-1-11,2' <br />NOIty Yau musk rind the acWalttirrk ePpatky nutn- <br />ber that covrwlatas to the 6-1re + Al depth for the <br />station receeds. This twmbar may also be used for <br />the purposed of calkwating am ei@cW*nk tank level <br />system. <br />iigune 7 <br />a®' <br />1) For an Owens-CarningModel G3Fiberglass•lank <br />Calibratign Chart <br />Tank Capauty-10.001) 94., nominal 9A03 gal. <br />NOT€: Uw actua(4m"ft only <br />2Y 95% of actual tank capacity= 0,95 x 9403 gal. _ <br />8933 gal - <br />The closest number which is less than 8933 gal. Is <br />891 D gal, Choosing the Closest number Cess than <br />95% of actual capacity ensures That The inf&al <br />shutoff wall occur when dee tank Is no more than <br />95% full_ <br />Al The calibration chart re2ding ad 6910 gad, corre- <br />spond s to is dipstick measurement of 132'- <br />