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'' <br /> PECE!", <br /> DEC n 5 2018 <br /> AnoendixA ENVIRONMENTAL HEALTH <br /> 71SO Overfill Valve Upper Tube Calculation Worksheet I--,.._.-_-P,9 T-M E NT <br /> Important:This is meant to be supplemental worksheet and not a substitute to following the Installation <br /> manual Instructions.All length measurements are In inches.Please contact the Authority Having Jurisdic- <br /> tion(AHJ)and review local,state,and national codes to determine the regulatory requirements governing <br /> shut-off capacity In your region,as well as take Into account other considerations such as extreme tank tilt. <br /> Desired tank capacity for shutoff: 5096=� e <br /> Y <br /> Dipstick Number on Tank Chart that corresponds to 10696 volume(Y)= <br /> Dipstick Number on Tank Chart that corresponds to S09b(X)= f Wrl (X) <br /> Upper Tube Reference Number Z=Y-X (Z) <br /> 2 <br /> Upper Tube Depth Inside Tank C=Z-2' <br /> Distance from top sealing surface for 71 SO Lip'to inside the M (C) <br /> top of Storage Tank' A=_ <br /> For Non-Testable 71 SO models only <br /> In all cases for non-testable 71 SO models,the top of the valve body must protrude at least 6'h'into the tank to <br /> provide a minimal clearance for proper operation' Additionally the total Upper Tube Length must beat least 16' <br /> of length to include the protective bend in the tube. <br /> /'�'� <br /> Is C less than 6 54" Yes 4 Nq <br /> If NO,UpperTube Length(DI=C+A �•/ <br /> If YES,Upper Tube Length(D)=6'h"+A f'�l <br /> Upper Tube Length= DLJ <br /> For Testable 7150 models anlv <br /> In all cases for Testable 71 SO models,the top of the valve body must protrude at least 61/i into the tank to provide <br /> a minimal ciearancg for proper operation? Additionally the total Upper Tube Length must beat least 14'h"of <br /> length to include the protective bend in the tube. <br /> Is C less than 5" Yes / No <br /> If NO,Upper Tube Length(D)=C+A-1'h' <br /> If YES,Upper Tube Length 10)=61/2'+A-155" <br /> UpperTube Length= <br /> Sealing surface maybe the top of the Face Seat Adaptor,the built in sealing ledge inside some spill containers,arm non-vapor <br /> tight applications the top of rhepipe nipple <br /> ' Some Underground Storage ranks urilizeamanwaysystem atthe top. Make sure touse the top ofthe storage tank for measure- <br /> ment and not to top of the monway.Consulryour underground tank manufacturer for height of the mmwoy <br /> ' This measurement is taken from the seom where the upper tube is attached to the valve body to the inside ofthe tank top. <br /> 19 <br />