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fl <br />To Tank <br />(U) Valve <br />Length, <br />top of cut <br />Tank <br />Chart <br />100% Vol- <br />ume Dip- <br />stick <br />(W) 'Valve <br />Length, <br />brIttOrll of <br />411 <br />esixtndlall <br />71S0 Over%11Valve in Tank Shut off Level Worksheet <br />imam= Thew is meant to be supplemental worksewirt and nOltasebstitute to following the installation <br />manual inttructiont- AP length measurements are In inches. Please contact the Authority Haring Jurlsdic- <br />don (AIM) and review local, state, and national codes to determine the regulatavy requirements governing <br />shuirof capadly In your region, as well .take Into account other consideratlons such es extreme tank tilt. <br />Take the following measurements with the valve in- <br />stalled in the tank <br />Distance hem the 71SO Inlet tube flange to the cast <br />lug In the 7150 body (Mt figures), upper tube length. <br />Not The Upper Tube Length must be at least PS' to <br />include the protective Inerid in the tube <br />CD) - <br />Distance from the 7150 pniet tube flange to the tap and <br />bottom of Ivuorer tube, valve length. <br />(1.10 = <br />cIJ)= <br />Ois-tance from the 71S0 Inlet tube flange to the bottom <br />of the tank. Note: If a tank bottom protector is present rt <br />may be necessary to add this thickness to dimension <br />(OPW &Ill& ai Tr models add 0.6) <br />From the wok calibration chart provided by tank manu- <br />facturer find the di psi ick number (Y) whkh ca, responds <br />to the 1010% volume. <br />1. To determine shut-off percentage: <br />Subtract upper tube length (0) from distance to Tank <br />bottom (13) <br />using the tam calibration chart provided by the tank <br />manufacturer doerminothe tank capacity at the ca)- <br />culated (X) direanSlon and the 1114)% volume (Ti tank <br />capacity. <br />tenk capacity In gallons <br />(V) tank capacity in gm Ikons = <br />SO% = (X) capacity (V) capacity 000 = Note: The overfill valve must he ins:tailed per All.) require- <br />ments and ell applkobie local, srateranci notional codes. if <br />the overfill V1dI k SPt above the allowable shut-oit percent- <br />age the ovprtl LI v-aive must be removed and replaced- For <br />reference 40CFR part 280 Subpart B Section 280.20 overffil <br />vbev‘-l•ihobk.i be act 10 eo ma0Ornurn 00 '511- <br />20