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[{"$nulls":28},"AFCS85(H,V)  1/2\" Spacing 30° Deflection"]
[{"$nulls":8},"Input Data",{"$nulls":12},"Nominal Duct","Core Area","H & W",null,null," "," "]
[null,"Enter Duct Width in inches =",{"$nulls":6},20,"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},20,"Inches",{"$nulls":11},2.7777777777777777,2.5733506944444446,0.75,{"$nulls":8},"\"",null,"Based on:","Titus Models 25R Return 1/2\" Spacing 30° Deflection"]
[null,"Enter Minimum Neck Velocity (greater than 0)=",{"$nulls":6},350,"FPM",{"$nulls":22}," "]
[null,"Enter Maximum Neck Velocity =",{"$nulls":6},700,"FPM"]
[{"$nulls":26},"Pressure Constants",null,null,null," "]
[{"$nulls":27},"m","b",null," "," "]
[null,"AFCS85 Return Grille / 30° deflection",{"$nulls":24}," ",0,4.1166741347524285]
[null,"IP Data",{"$nulls":5},"Metric Data",{"$nulls":24}," "]
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[null,null,null,393.75,1013.2568359375001,-0.030125030102510136,13.847421939610534,null,null,2.0002500000000003,478.20392925292975,-7.501132495525024,26.254714072072254,30.785394705855442,30.535992203896825,16.494656257527698,10.985493386729548," - ",{"$nulls":8}," ",null,-267.67493753246436,106.60367866722542,11.84485318524727,null,"B",-196.61935423663496,-209.8908648610479,-223.86005974380444,-341.60764437221036,-367.90858280526925,-341.0247644920162,-267.67493753246436]
[null,null,null,437.5,1125.8409288194446,-0.03719139518828412,18.72533875995932,null,null,2.2225,531.337699169922,-9.260657401882746,30.11012653180577,34.95317344623943,34.94569883080422,22.715039157192724,17.56907768138017,13.755923898507625]
[null,20,null,481.25,1238.425021701389,-0.04500158817782379,23.137951267740412,508,null,2.44475,584.4714690869141,-11.205395456278124,33.597771333682196,38.72338792032873,38.93476369889797,28.342059952575415,23.524654103556475,19.240047376154415,{"$nulls":9}," "]
[null,"x",2.7777777777777777,525,1351.0091145833335,-0.05355560907112912,27.166350870090888,"x",0.258064,2.6670000000000003,637.6052390039064,-13.33534665871115,36.78174157993518,42.16532406618681,42.576494600952486,33.47912745953765,28.961669397457047,24.246659852920992,{"$nulls":8}," ","Band","Const","Slope 1","Slope 2"]
[null,20,null,568.75,1463.5932074652778,-0.06285345786820018,30.87211927554383,508,null,2.88925,690.7390089208985,-15.650511009181844,39.710710278964505,45.33159838898867,45.92656228294746,38.204771472825755,33.96323862716939,28.852296871632596,{"$nulls":9},2,-196.61935423663496,84.2575152721979,10.249067640048848]
[null,null,null,612.5,1576.1773003472224,-0.07289513456903689,34.303124919675064,null,null,3.1115000000000004,743.8727788378908,-18.150888507690183,42.4225117296612,48.26311053001065,49.02824049582037,42.580034443357974,38.59396844595811,33.11645071966236,{"$nulls":9},3,-209.8908648610479,91.08407583797667,10.457986254944725]
[null,null,null,656.25,1688.7613932291667,-0.08368063917363928,37.49731475643832,null,null,3.33375,797.0065487548828,-20.836479154236184,44.94713848099038,50.99228304047189,51.91583382910895,46.65330681979536,42.905074768173606,37.08628297775535,{"$nulls":9},4,-223.86005974380444,96.37125141423752,10.454102164900009,{"$nulls":5}," ",null,null," "]
[null,null,null,700,1801.3454861111113,-0.09520997168200737,40.485279800571185,null,null,3.556,850.1403186718751,-23.707282948819834,47.30876908779813,53.54525342651819,54.616996998008204,50.46359866154761,46.93784540818454,40.79981305093124,{"$nulls":9},5,-341.60764437221036,135.94239595409556,12.915498125785941]
[{"$nulls":26}," ",6,-367.90858280526925,143.87992466327952,13.383557288081624]
[null,"1) Performance data does not include damper",{"$nulls":25},7,-341.0247644920162,132.49015995660827,11.880865529983597,{"$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."]