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5' G0(214 IAIAk12 k X 0 ' DW T qW HOW TO LOCATE THE POSITION OF THE 71 SO AT 95% TANK CAPACITY , Measuring Stick The length of the upper tube and the placement of e the 71 SO valve body determine the shut-off point. Fallowing the standard instructions for the OPW 71SO will provide for initial shutoff at 95%. In all cases,the upper tube length must be a minimum of I + 6-112"plus the length of the riser pipe. All length f ti measurements are in inches. } Riser Pipe INSTRUCTIONS with Face {A) Seal Adaptor To Tank 1.) Find tank ca aci Top(I.D.) (B) p ty(in gallons)from tank To Tank calibration chart provided by tank manufacturer. Bottom 11t bZ7 2.)Calculate 95%of capacity. 1*l 6-112" 3.)Locate the 95%volume number on the tank calibration chart. g'2 o t 4.) Find the dipstick number(X)which corresponds Figure 1 to the 95%tank volume. And, find the dipstick number(Y)which corresponds to�he EXAMPLE 100°/®volume. n 1.) For an Owens-Corning Model G-3 Fiberglass® rx Tank Calibration Chart: 5.)Subtract the dipstick number(X)from the tank Tank Capacity- 10,000 gal., nominal 9,403 gal. diameter(Y)to find the upper tube reference number(Z). It NOTE: Use actual capacity only (Y)-(X)= (Z) $ 2.) 95%of actual tank capacity=0.95 x 6.)Subtract 2"from (Z)to find the upper tube depth 9403 gal.=$933 gal. (C)• ? /f3 /t 3.)The closest number which is less than 8933 gal. (Z)-2"= C Is 8910 gal. Choosing the closest number less than 95% of actual capacity ensures that the 7.} Is C less than 6-1l2"? lV ® initial shutoff will occur when the tank is no more NO Upper tube length is C plus the distance than 95%full. from the top of the Face Seal Adaptor 4.)The calibration chart reading of 8910 gal. installed on the riser pipe to the inside,top corresponds to a dipstick measurement of 82". lip of the storage(A). Upper Tube Length =C+(A) 5.) Dipstick number(X)=82" Tank diameter(Y) =92" YES Upper tube length is 6-112"plus the riser (Y)-(X} (Z) (92"-82"= 10") (Z)= 10 pipe measurement(A). Upper Tube Length=6-1/2"+(A) 7.) (Z)-2"=C (10"-2"=8") G= 8° NOTE: You must find the actual tank capacity 7.) Is 8"less than 6-1/2"? number that correlates to the 6412"+(A) depth for the station records. This number may also NO Measure the distance from the top of the be used for the purposes of calibrating an FSA-400 Face Seal Adaptor installed on the electronic tank level system. riser pipe to the inside,top lip of the storage tank and obtain measurement(A). ®Registered T.M.-Owens Corning Fiberglass Corporation Upper tube length=C+(A) 64