Laserfiche WebLink
0 <br /> 7 <br /> p en ix B N <br /> w <br /> 7150 overfill Valve in Tank Shut off Level Worksheet A <br /> Important This is meant to be supplemental worksheet and not a substitute to following the installation 0000 <br /> manual instructions.All length measurements are in inches.Please contact the Authority Having Jurisdic- 0 <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 /> Take the following measurements with the valve in- <br /> stalled in the tank: --' <br /> Distance from the 71 SO inlet tube flange to the cast <br /> lug in the 7150 body(see figures),upper tube length. <br /> Note:the Upper Tube Length must be at least 16"to <br /> include the protective bend in the tube. <br /> (D)= �j <br /> Distance from the 71SO inlet tube flange to the top and <br /> bottomo/Vyf Igwer tube,valve length. (D) <br /> W=-� Upper <br /> (V)= NLL Tube <br /> I <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 (W)Valve <br /> D (OPW 61 &61TP models add 0.6") Length, <br /> CDCD (B)_ — bottom of <br /> :3 <br /> 7 cut <br /> Q From the tank calibration chart provided by tank manu- <br /> X facturer find the dipstick number(1)which corresponds (B) <br /> iT to the 10 volume. To Tank <br /> (Y)= 2– <br /> IY) <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%Vol- <br /> E' top of cut ume Dip- <br /> (X)=(B)–(D)-2"_ L- stick <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. r <br /> ,U <br /> (X)tank capacity Ingallons <br /> = <br /> "L <br /> (Y)tank capacity in gallons=� � <br /> m <br /> rt <br /> • �7 <br /> SO%=(X)capacity/(Y)capacity x100= m <br /> Note:The overfill valve must be installed per AH1 require- �, <br /> ments and all applicable local,state,and national codes. If <br /> the overfill valve is set above the allowable shut-off percent- n <br /> age the overfill valve must be removed and replaced. for p <br /> reference 40 CFR part 280 Subpart B Section 280.20 overfill O <br /> valves should be set to a maximum of 95%. <br /> CD <br /> 0 <br /> 20 VI <br /> w <br /> U1 <br /> N <br /> 00 <br />