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10 Oel 2-)e- <br /> HOW <br /> kHOW TO LOCATE THE POSITION OF THE <br /> 71 SO AT 95%TANK CAPACITY Measuring Stick <br /> The length of the upper tube and the placement of t ! <br /> the 71 SO valve body determine the shut-off point. <br /> Following the standard instructions for the OPW <br /> 71 SO will provide for initial shutoff at 95%. In all <br /> cases,the upper tube length must be a minimum of <br /> 6-1/2"plus the length of the riser pipe. All length r <br /> measurements are in inches. Riser Pipe <br /> INSTRUCTIONS with Face or (A) <br /> Seal Adaptor To Tank <br /> t8} <br /> 1.)Find lank capacity(in gallons)from tank Top(").) To Tank <br /> calibration chart orovided b tank manufacturer. Bottom <br /> /0r�69 <br /> 2.)Calculate 95%of capacity, q�g5o.SS <br /> 11 <br /> 6-1/2' <br /> 3.)Locate the 95%volume numberon the tank <br /> calibration chart. /oLq_ %yr <br /> Figure ') <br /> 4.) Find the dipstick number(X)which corresponds <br /> to the 95%tank volume. And,find the dipstick <br /> number(Y)which corresponds to the !i EXAMPLE <br /> (� <br /> 100%volume. 117-sl it 140 q, /6 1.)For an Owens-Coming Model G-3 Fiberglass© <br /> 5.)Subtract the dipstick number(X)from the tank Tank Calibration Chart:Tank Capacity-10,000 gal.,nominal 9,403 gal. <br /> diameter(Y)to find the upper tube reference NOTE: Use actual capacity only <br /> number(Z). <br /> fYl;(X)_(Z)." 13 ' B 2.)95%of actual tank capacity=0.95 x <br /> 9403 gal.=8933 gal. <br /> 6.)Subtract 2"Gum(L)to find the upper tube depth <br /> (C)' ! 3.)The closest number which is less than 8933 gal. <br /> (Z)-2"=C 11 9 Is 8910 gal.Choosing the closest numberless <br /> than 95%of actual capacity ensures that the <br /> 7.)Is C less than 6-112"? N0 initial shutoff will occur when the tank is no more <br /> NO Upper tube length is C plus the distance than 95%full. <br /> from the top of the Face Seal Adaptor 4.)The calibration chart reading of 8910 gal. <br /> installed on the riser pipe to the inside, top corresponds to a dipstick measurement of 82". <br /> lip of the storage (A). <br /> Upper Tube Length=C+(A) 5•) Dipstick number(X)=82" <br /> Tank diameter(Y)=92" <br /> YES Upper tube length is 6-1l2"plus the riser (Y)-(X)=(Z) (92--82-= 10")(Z)= 10" <br /> 7.) (Z) 2" C (10" 2" 8-) <br /> pipe measurement (A). <br /> - = - = <br /> Upper Tube Length=6-ill"+{A) C=8" <br /> NOTE: You must find the actual tank capacity 7,) Is 8"less than 6-1/2"7 <br /> number that correlates to the 6-112"+(A)depth <br /> for the station records. This number may also NO Measure the distance from the top of the <br /> be used for the purposes of calibrating an FSA-400 Face Seal Adaptor Installed on the <br /> electronic tank level system. riser pipe to the inside,top lip of the storage <br /> tank and obtain measurement(A). <br /> E Registered T.M.-Owens Coming Fiberglass Corporation Upper tube length=C+(A) <br /> 64 <br />