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[{"$nulls":28},"DMGS/DMGD Single/Double Deflection Duct Mounted Supply Grille, Entrained Jet"]
[{"$nulls":8},"Input Data",{"$nulls":12},"Nominal Duct","Core Area","H & W",null,null," "," "]
[null,"Enter Duct Width in inches =",{"$nulls":6},48,"Inches",{"$nulls":11},"Area '( ft2 )","( ft2 )","border",null,null," Free area & Core Area Ratio",null,"Ak/Ac",0.77,null,null," - ",null," "," "]
[null,"Enter Duct Height in inches =",{"$nulls":6},10,"Inches",{"$nulls":11},3.3333333333333335,3.03515625,0.75]
[null,"Enter Minimum Neck Velocity (greater than 0)=",{"$nulls":6},160,"FPM"]
[null,"Enter Maximum Neck Velocity =",{"$nulls":6},800,"FPM",{"$nulls":16},"Throw Zones"]
[{"$nulls":27},"c(ii)","c(iii)","c(iv)"]
[{"$nulls":26},"0 Degrees",1.8,5,13]
[null,"DMGS/DMGD Single/Double Deflection Duct Mounted Supply Grille, Entrained Jet",{"$nulls":24},"22.5 Degrees",1.395,3.875,10.075]
[null,null,null,"IP Data",{"$nulls":22},"45 Degrees",0.81,2.25,5.85]
[null,"Nom","Duct ","Neck","Air","0°",null,"22.5°",null,"45°"]
[null,"Duct","Area","Vel","Flow","Pt","Throw","Pt","Throw","Pt","Throw","Nc","Octave Band, dB"]
[null,"in","ft²","FPM","CFM","\"WG","ft","\"WG","ft","\"WG","ft",null,2,3,4,5,6,7,{"$nulls":8},"Pressure Constants",null,null,null," "]
[null,null,null,160,485.625,0.004754772306568515,"5 - 12 - 32",0.006536714666384041,"4 - 9 - 25",0.008318657026199563,"2 - 5 - 14"," - ",26.893817507730944,11.378251733805955,12.997268065185652," - "," - "," - ",{"$nulls":9},"m","b",null,"880 data"," "]
[null,null,null,240,728.4375,0.01069823768977916,"12 - 24 - 48",0.014707607999364092,"9 - 18 - 37",0.018716978308949018,"5 - 11 - 21"," - ",36.342003761287415,22.511032626244784,23.93328458475581," - "," - "," - ",{"$nulls":8},"0 Degrees",0,2.979166666666666,null,2.7083333333333326]
[null,null,null,320,971.25,0.01901908922627406,"21 - 32 - 57",0.026146858665536163,"16 - 25 - 44",0.033274628104798254,"10 - 14 - 26",13.268516083777198,43.04559859097732,30.40986637357186,31.692511787796846,15.181863677309325," - "," - ",{"$nulls":8},"22.5 Degrees",0,4.095666666666667,null,3.723333333333333]
[null,48,null,400,1214.0625,0.029717326916053218,"26 - 40 - 64",0.04085446666490025,"21 - 31 - 50",0.05199160641374727,"12 - 18 - 29",19.93495587860141,48.245310704144586,36.53667781718217,37.71103598287202,23.594016738676984," - "," - ",{"$nulls":8},"45 Degrees",0,5.212166666666667,null,4.738333333333333]
[null,"x",3.3333333333333335,480,1456.875,0.04279295075911664,"32 - 48 - 70",0.05883043199745637,"25 - 37 - 54",0.07486791323579607,"14 - 21 - 32",25.381833794217496,52.49378484453378,41.54264726601072,42.628528307367006,30.46724624992528,17.336896884997216,11.380267621796309,{"$nulls":10},"10% add to pressure",null,null,null,"Coefficients from 880 New Sound Regression..xls"]
[null,10,null,560,1699.6875,0.05824596075546432,"37 - 54 - 76",0.08007475466320452,"29 - 42 - 59",0.10190354857094468,"17 - 24 - 34",29.987103452907373,56.08581854853317,45.775134127690436,46.78620882631354,36.27847899935314,24.94346177598625,19.200718648203704,{"$nulls":8},"Sound",{"$nulls":6},"2","3","4","5","6","7","NC"]
[null,null,null,640,1942.5,0.07607635690509625,"42 - 57 - 81",0.10458743466214465,"33 - 44 - 63",0.13309851241919302,"19 - 26 - 36",33.97636948550246,59.19737967422371,49.44148101333779,50.38775551040807,41.31239777782305,31.532567994140962,25.97510146427875,{"$nulls":10},"B","CVn","CAn",null,"M(An)",9.732037858594214,9.732037858594222,9.73203785859422,9.732037858594229,9.73203785859424,9.435504715179798]
[null,null,null,720,2185.3125,0.09628413920801243,"48 - 61 - 86",0.13236847199427682,"37 - 47 - 67",0.16845280478054117,"21 - 27 - 39",37.49515150465783,61.941971098090264,52.67542815844955,53.564544826937166,45.75262882254127,37.34457157908743,31.950530590666986,{"$nulls":8},"0 deg",null,-162.6,68.79,9.6,null,"M(Vn)",53.65505536290635,63.22165536290803,62.10425536290874,86.80375536290886,113.62105536291052,116.81592305706788]
[null,null,null,800,2428.125,0.11886930766421287,"52 - 64 - 91",0.163417866659601,"41 - 50 - 70",0.20796642565498907,"24 - 29 - 41",40.642809280326674,64.39709178739095,55.56829245694807,56.406279705483215,49.72455083919074,42.54358594734977,37.29573408728733,{"$nulls":14},"B",-96.19017272305152,-132.7916727230564,-128.7097727230585,-207.09637272305886,-292.1303727230637,-306.6532129957984,null,null," "]
[]
[{"$nulls":26}," "]
[null,"1) Data were obtained from test conducted in accordance with ANSI / ASHRAE Standard 70-1991.",{"$nulls":25},"880 data",-167.6,68.79,9.6,null,"880 data",-101.19017272305152,-137.7916727230564,-133.7097727230585,-212.09637272305886,-297.1303727230637,-311.6532129957984]
[null,"2) All pressures are in inches or water",{"$nulls":26},5,{"$nulls":4},5,5,5,5,5,5]
[null,"3) Throw values are given for terminal velocities of 150, 100, and 50 fpm, Isothermal Conditions",{"$nulls":34}," ",null,null," "]
[null,"4) N.C. values are based on Octave Band 2 - 7 sound power levels minus a room absorption of 10dB.",{"$nulls":26},"Sound levels increased for duct mount location.",{"$nulls":4},5,"Correction"]
[null,"Sound data is based on 0 deg blade deflection. A setting of 22.5° and 45° increase sound by ",{"$nulls":24}," "," "]
[null,"4 or 9 dB/NC respectively.  Dash (-) in space denotes an NC or dB value of less than 10."]
[null,"5) When selecting larger supply grilles for cooling purposes, account for drop by referring to the "]
[null,"Engineering Guidelines"]
[]
[null,"DMGS/DMGD Single/Double Deflection Duct Mounted Supply Grille, Entrained Jet"]
[null,null,null,"Metric Data"]
[null,"Nom","Duct ","Neck","Air","0°",null,"22.5°",null,"45°"]
[null,"Duct","Area","Vel","Flow","Pt","Throw","Pt","Throw","Pt","Throw","Nc","Octave Band, dB"]
[null,"mm","m²","m/s","L/s","Pa","m","Pa","m","Pa","m",null,2,3,4,5,6,7]
[null,null,null,0.8128000000000001,229.18945612500002,1.1839383043355602,"1.6 - 3.6 - 9.7",1.6276419519296261,"1.2 - 2.8 - 7.5",2.071345599523691,"0.7 - 1.6 - 4.3"," - ",26.893817507730944,11.378251733805955,12.997268065185652," - "," - "," - "]
[null,null,null,1.2192,343.7841841875,2.663861184755011,"3.6 - 7.2 - 14.5",3.662194391841659,"2.8 - 5.6 - 11.2",4.660527598928305,"1.6 - 3.3 - 6.5"," - ",36.342003761287415,22.511032626244784,23.93328458475581," - "," - "," - "]
[null,null,null,1.6256000000000002,458.37891225000004,4.735753217342241,"6.4 - 9.7 - 17.4",6.5105678077185045,"5.0 - 7.5 - 13.5",8.285382398094765,"2.9 - 4.3 - 7.8",13.268516083777198,43.04559859097732,30.40986637357186,31.692511787796846,15.181863677309325," - "," - "]
[null,1219.1999999999998,null,2.032,572.9736403125,7.399614402097251,"8.0 - 12.1 - 19.5",10.172762199560163,"6.2 - 9.4 - 15.1",12.94590999702307,"3.6 - 5.4 - 8.8",19.93495587860141,48.245310704144586,36.53667781718217,37.71103598287202,23.594016738676984," - "," - "]
[null,"x",0.30967680000000003,2.4384,687.568368375,10.655444739020044,"9.7 - 14.5 - 21.3",14.648777567366636,"7.5 - 11.2 - 16.5",18.64211039571322,"4.3 - 6.5 - 9.6",25.381833794217496,52.49378484453378,41.54264726601072,42.628528307367006,30.46724624992528,17.336896884997216,11.380267621796309]
[null,254,null,2.8448,802.1630964375,14.503244228110617,"11.3 - 16.3 - 23.0",19.938613911137924,"8.7 - 12.6 - 17.9",25.373983594165225,"5.1 - 7.3 - 10.4",29.987103452907373,56.08581854853317,45.775134127690436,46.78620882631354,36.27847899935314,24.94346177598625,19.200718648203704]
[null,null,null,3.2512000000000003,916.7578245000001,18.943012869368964,"12.9 - 17.4 - 24.6",26.042271230874018,"10.0 - 13.5 - 19.1",33.14152959237906,"5.8 - 7.8 - 11.1",33.97636948550246,59.19737967422371,49.44148101333779,50.38775551040807,41.31239777782305,31.532567994140962,25.97510146427875]
[null,null,null,3.6576000000000004,1031.3525525625,23.974750662795095,"14.5 - 18.5 - 26.1",32.959749526574925,"11.2 - 14.3 - 20.2",41.944748390354754,"6.5 - 8.3 - 11.8",37.49515150465783,61.941971098090264,52.67542815844955,53.564544826937166,45.75262882254127,37.34457157908743,31.950530590666986]
[null,null,null,4.064,1145.947280625,29.598457608389005,"15.9 - 19.5 - 27.5",40.69104879824065,"12.3 - 15.1 - 21.3",51.78363998809228,"7.2 - 8.8 - 12.4",40.642809280326674,64.39709178739095,55.56829245694807,56.406279705483215,49.72455083919074,42.54358594734977,37.29573408728733]
[]
[]
[null,"1) Data were obtained from test conducted in accordance with ANSI / ASHRAE Standard 70-1991."]
[null,"2) All pressures are in inches or water"]
[null,"3) Throw values are given for terminal velocities of 150, 100, and 50 fpm, Isothermal Conditions"]
[null,"4) N.C. values are based on Octave Band 2 - 7 sound power levels minus a room absorption of 10dB."]
[null,"Sound data is based on 0 deg blade deflection. A setting of 22.5° and 45° increase sound by "]
[null,"4 or 9 dB/NC respectively.  Dash (-) in space denotes an NC or dB value of less than 10."]
[null,"5) When selecting larger supply grilles for cooling purposes, account for drop by referring to the "]
[null,"Engineering Guidelines"]