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[{"$nulls":28},"AFCS80(H,V)   3/4\" Spacing 45° Curved Blade Return "]
[{"$nulls":8},"Input Data",{"$nulls":12},"Nominal Duct","Core Area","H & W",null,null," "," "]
[null,"Enter Duct Width in inches =",{"$nulls":6},18,"Inches",{"$nulls":11},"Area ( ft2 )","( ft2 )","border",null,null," Free area & Core Area Ratio",null,"Ak/Ac",1,null,null," - ",null," "]
[null,"Enter Duct Height in inches =",{"$nulls":6},18,"Inches",{"$nulls":11},2.25,2.06640625,0.75,{"$nulls":8},"\"",null,"Based on:","Titus Models 23R Return 3/4\" Spacing 45° Deflection"]
[null,"Enter Minimum Air Flow (must be greater than 0)=",{"$nulls":6},300,"CFM",{"$nulls":22}," "]
[null,"Enter Maximum Air Flow =",{"$nulls":6},1300,"CFM"]
[{"$nulls":26},"Pressure Constants",null,null,null," "]
[{"$nulls":27},"m","b",null," "," "]
[null,"AFCS80 Return Grille / 45° deflection",{"$nulls":24}," ",0,8.550295916883744]
[null,"IP Data",{"$nulls":5},"Metric Data",{"$nulls":24}," "]
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[null,"Duct","Area","Vel","Flow","Ps","Nc","Duct","Area","Vel","Flow","Ps","Octave Band, dB",{"$nulls":20},"2","3","4","5","6","7","NC"]
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[null,"x",2.25,387.14555765595463,800,-0.07055170161871294,29.08272656012245,"x",0.20903184000000002,1.9666994328922496,377.55792,-17.56737370305952,40.29847845323659,45.12609625492064,45.16667325807467,33.0495834213841,27.832320776062254,24.072629949543803,{"$nulls":8}," ","Band","Const","Slope 1","Slope 2"]
[null,18,null,447.63705103969755,925,-0.09432156202736133,32.70526025415706,457.2,null,2.273996219281664,436.551345,-23.48606894481297,42.8795214510968,48.06052846775647,48.358169624814025,38.16833979157461,33.37398378214086,29.05562820202656,{"$nulls":9},2,-68.57861900398431,40.93531380103564,9.332186353829393]
[null,null,null,508.1285444234405,1050,-0.12153632974161097,35.86792706766895,null,null,2.581293005671078,495.54477,-30.26254610566113,45.13291085283573,50.62244566712414,51.14451766103849,42.637289500755585,38.21215373756544,33.406053770425565,{"$nulls":9},3,-78.3191850234966,46.54006289701018,9.534580419240278]
[null,null,null,568.6200378071834,1175,-0.15219600476146178,38.67444066557733,null,null,2.888589792060492,554.538195,-37.89680518560398,47.13254229372736,52.895861072763,53.61709037048743,46.602983286013355,42.505489257728264,37.26657061723254,{"$nulls":9},4,-88.81548535881647,50.61709757475953,9.490243022534631,{"$nulls":5}," ",null,null," "]
[null,null,null,629.1115311909263,1300,-0.18630058708691383,41.19695767780804,null,null,3.1958865784499055,613.53162,-46.388846184641544,48.92982712840614,54.93922513872202,55.839458624185056,50.167380781206546,46.36437378153615,40.73643423354691,{"$nulls":9},5,-180.71702147788199,81.18342021365578,11.655890444991352]
[{"$nulls":26}," ",6,-203.4451208059607,87.89071484724815,12.141911309535335]
[null,"1) Performance data does not include damper",{"$nulls":25},7,-183.82568371377434,79.03029794718721,10.715957903684604,{"$nulls":8}," "]
[null,"2) Data were obtained from test conducted in accordance with ANSI / ASHRAE Standard 70-1991."]
[null,"3) All pressures are in inches of water (Pascals)"]
[null,"4) N.C. values are based on Octave Band 2 - 7 sound power levels minus a room absorption of 10dB."]