Laserfiche WebLink
T' 1 = f�- - 61ZJ � <br /> &Ogndix 6 <br /> 71 SO Overfill naive in Tank Shut off Level Worksheet <br /> lmo^,,.orta_nt: This is meant to be supplemental worksheet and not a substitute to following the installation <br /> manual instructions, Ali length measurements are in inches, please contact the Authority.Having.+t(risdtc-, <br /> tion(AHJ)and review local,state,and national-codes to determine the regulatory requirernents governing <br /> shut-off,capacity In your region,as well as take into account other considerations such as extreme tank tilt. <br /> Take the following rn'easuremehts'with the valve in- [. _ <br /> stalled in the tank: <br /> Distance from the 71 SO inlet tube flange to the cast I <br /> lug in the 71 SO body(see figures),upper tube length, <br /> Note: the Upper Tube Length must be at least 16 to in- <br /> clude the protective bend in the tube. <br /> i! <br /> b <br /> (D) <br /> Distance from the 71 SO inlet tube flange to the top and 1 <br /> bottom of lower tube,valve length. (D) <br /> (W)_ L Upper <br /> {U}= 1 bS" Tube <br /> Distance from the.71 SO inlet tube flange to the bottom <br /> of the tank. Note; If a tank bottom:protector is present it _ =� <br /> may be necessary to add this thickness to dimension <br /> {OPW 5111 &61TP models add 0,61 - M (W)Valve <br /> � u Length, z <br /> bottom ofM <br /> From the tank calibration chart provided by tank manu- cut <br /> facturer find the dipstick number(Y)which corresponds <br /> to the 100%volume, << ToTank <br /> _ (Y) <br /> 1. To determine shut-off percentage: Tank <br /> Subtract upper tube length(D)from distance to tank (U)Valve _.- Chart <br /> bottom(B) Length, 100% <br /> (X)_(g)_(D)-2„_ ft 3.D rl,) 3 r�Z 2= ©S' top of cut Volume <br /> Z Dipstick <br /> Using the tank calibration chart provided by the tank <br /> manufacturer determine the tank capacity at the cal- <br /> culated(X)dimension and the 100%volume(Y)tank <br /> capacity. n <br /> (X)tank capacity in gallons= ct� <br /> (Y)tank capacity in gallons <br /> 50%_ ()0 capacity/(Y)capacity x10®_ Y• <br /> Note: The overfill valve must be installed per AHJ require- <br /> ments and all applicable local,state,and national codes. If <br /> g 6 64 the overfill valve Is set above the allowable shut-off percent- <br /> 0 p ::7 Q age the overfill valve must be removed and replaced. For <br /> reference 40 CFR part 280 Subpart 8 Section 280,20 overfill <br /> valves should be set to a maximum of 95%. <br /> 2 <br />