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7150 Overfill Valve in Tank Shut off Levei Worksheet <br /> I Yhls Is meant to be supplemental worksheet and not a substitute to following the Installation <br /> manual Instructlon5„ All length measurements are in inches, Please contact the Authority Having 1,µrls1110, <br /> tionr(AM and review local, state, and national 'codes to determine the regulatory requirements governing <br /> shul•off capgri¢y In your region, as well as take into account other considerations such as extrema tank flitt <br /> t aka the foilawing 0vt� asuretiien with the valve In ( , <br /> stall>ad in the tank# oft .. . ,w ( r�- �.. .. . . �_.,. <br /> Disthnce from the 7" '1 SO Inlet tube flange to the cost ( of <br /> lug �n the 7150 body ( see figures), upper tube length , r <br /> Notp: the Upper Tube Length must be at least 16" to In- <br /> clue the protective bend In the tube , <br /> Distance from the 70150 inlet tube flange to the top and <br /> bottom of lower tube, valve length , p <br /> (W1 + 12 1� ( ) <br /> ) <br /> upper <br /> Tube <br /> 1 - <br /> Disian;�porn the 71 SO Inlet tube flange to the bottom ... ... . .• ... <br /> of t[ie tank, Note; If a tank bottom protector Is present it <br /> may be necessary to add this thickness to dimension ; <br /> (ORW 6111 & 61 TP models add 0,6") � (W) Valve <br /> (B)i = ,_,,,� gam__ Oz 3— Length, <br /> � - bottom of ; <br /> Fr¢m the tank calibration chart provided by tank manucut M <br /> fadturer find the dipstick number (Y) which corresponds O- <br /> toithe 100% volume , (B) <br /> To Tank <br /> 1 .: To determine shut• of✓F percentage : to Tank <br /> Subtract upper tube length (D) from distance to tank M Valve Chart <br /> bottom (B) H Length, �' 100 /0 <br /> ( ) (9) w (D) = 2" =»�..�-. 3 " 2 � `l* top of cut Volume <br /> Dipstick <br /> USIng the tank csillbration chart provided by the tank =='� <br /> Manufacturer datermino the tank c1hpacity at the calm <br /> eclated (X) dimension and the 100% volume (Y) tank <br /> pacify, <br /> (t�) tank capacity In gallons = W � <br /> (Y) tank capacity in gallons 1 18 ,�: . - ..- ,m .� .... _ :g : * w loo,.;. . <br /> Motion <br /> SO% Ws ()0 capacity / (.Y) capacity x100 <br /> Wool 9 �o <br /> Notes The overfill valve must be Installed per AHJ requlre- <br /> 11 1q0 <br /> t7 ments and all applicable local, state, and national codes, If <br /> JC / p 0 Lt • Lot /G the overfill valve Is set above the allowable shut-off percent- <br /> I g N g 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 /0, <br /> 21 <br />