{"text_format":"2","workbook":"xls","n_sheets":1,"sheets":["cfm"],"not_rendered":{"charts":0,"images":0,"macros":1,"external_links":1,"defined_names":4,"comments":0,"pivot_tables":0},"unopened":[],"bounds":{"document_bytes":16777216,"sheet_cells":100000,"run_cost":"one","rows_first":2000,"rows_last":500,"rows_between":2000,"halvings":0,"cell_chars":16384,"cell_head_chars":4096},"cells_cut":0,"cells_raw":0,"read":"whole","date_system":"1900","formulas":"cached_only"}

{"sheet":"cfm","index":0,"n_rows":31,"n_cols":42,"rows_kept":31,"cut":false,"hidden":false,"merged":[[12,14,12,19],[12,13,13,13],[11,5,12,5],[11,6,12,6],[11,11,12,11],[11,12,12,12],[11,14,11,19],[10,1,10,6],[10,7,10,12],[2,1,2,9],[3,1,3,9],[4,1,4,9],[5,1,5,9]],"flags":["formulas_cached_only"]}
[{"$nulls":30},"1310 Security Grilles"]
[{"$nulls":10},"Input Data",{"$nulls":12},"Nominal Duct","Core Area","H & W",null,null," "," "]
[null,"Enter Duct Width in inches =",{"$nulls":8},24,"Inches",{"$nulls":11},"Area '( ft2 )","( ft2 )","border",null,null," Free area & Core Area Ratio",null,"Ak/Ac",0.4444,"Ak Consts.",null," - ","\""," "," "]
[null,"Enter Duct Height in inches =",{"$nulls":8},20,"Inches",{"$nulls":11},3.3333333333333335,1.4813333333333334,0.75,{"$nulls":4},"Eff. Ak",0.8888,"M",2]
[null,"Enter Minimum Air Flow (must be greater than 0)=",{"$nulls":8},700,"CFM",{"$nulls":20},"B",0]
[null,"Enter Maximum Air Flow =",{"$nulls":8},1300,"CFM",{"$nulls":16},"Throw Zones",{"$nulls":6},"Ac*Eff Ak = "]
[{"$nulls":29},"c(ii)","c(iii)","c(iv)",null,null,null,1.3166090666666668]
[]
[{"$nulls":28}," ",1,3,11]
[null,"1310 Perforated Face Security Supply Grille",{"$nulls":33},"Band","Slope 1","Slope 2","Const"]
[null,"IP Data",{"$nulls":5},"Metric Data",{"$nulls":27},2]
[null,"Nom","Duct","Neck","Air","Pt","Throw","Nom","Duct","Neck","Air","Pt","Throw",null,"Estimated",{"$nulls":20},3]
[null,"Duct","Area","Vel","Flow",null,null,"Duct","Area","Vel","Flow",null,null,"NC","Octave Band, dB",{"$nulls":13},"Pressure Constants",null,null,null," ",null,null,4]
[null,"in","ft²","FPM","CFM","\"WG","ft","mm","m²","m/s","L/s","Pa","m",null,2,3,4,5,6,7,{"$nulls":9},"m","b",null," "," ",null,5]
[null,null,null,210,700,0.021701540091002797,"12 - 18 - 37",null,null,1.0668,330.36318,5.403683482659696,"3.7 - 5.6 - 11.1",11.169656781573298,"*","*",24.1696567815733,21.1696567815733," - ","*",{"$nulls":8},"0 Degrees",0,7.893270875242338,{"$nulls":4},6]
[null,null,null,232.5,775,0.026600994932976643,"14 - 20 - 41",null,null,1.1811,365.759235,6.623647738311184,"4.1 - 6.2 - 12.3",14.210426724401646,"*","*",27.210426724401646,24.210426724401646," - ","*",{"$nulls":15},7]
[null,null,null,255,850,0.031998699419896984,"15 - 22 - 44",null,null,1.2954,401.15529000000004,7.967676155554349,"4.5 - 6.8 - 13.5",16.97009050887876,"*","*",29.97009050887876,26.97009050887876,11.970090508878759,"*"]
[null,"24\"",null,277.5,925,0.037894653551763816,"16 - 24 - 47",609.5999999999999,null,1.4097000000000002,436.551345,9.43576873438919,"4.9 - 7.4 - 14.4",19.496252404110624,"*","*",32.49625240411063,29.496252404110624,14.496252404110624,"*",{"$nulls":14}," "]
[null,"x",3.3333333333333335,300,1000,0.04428885732857714,"17 - 26 - 49","x",0.30967680000000003,1.524,471.9474,11.027925474815708,"5.3 - 7.9 - 15.0",21.825362608992567,"*","*",34.82536260899257,31.825362608992567,16.825362608992567,"*",{"$nulls":8},"Sound",{"$nulls":6},"2","3","4","5","6","7","NC"]
[null,"20\"",null,322.5,1075,0.05118131075033695,"19 - 28 - 51",508,null,1.6383,507.343455,12.744146376833902,"5.7 - 8.5 - 15.5",23.98595086486181,"*","*",36.98595086486181,33.98595086486181,18.98595086486181,"*",{"$nulls":10},"B","CVn","CAn",null,"M(An)"]
[null,null,null,345,1150,0.058572013817043266,"20 - 30 - 53",null,null,1.7526000000000002,542.73951,14.584431440443772,"6.1 - 9.1 - 16.0",26.000767046917492,"*","*",39.000767046917495,36.000767046917495,21.000767046917492,"*",{"$nulls":8},"0 deg",null,-174,68.79,10,null,"M(Vn)"]
[null,null,null,367.5,1225,0.06646096652869607,"21 - 32 - 54",null,null,1.8669000000000002,578.135565,16.54878066564532,"6.5 - 9.7 - 16.6",27.888244150703503,"*","*",40.88824415070351,37.88824415070351,22.888244150703503,"*",{"$nulls":9},"Teams",-149.7434745141847,null,null,null,"B"]
[null,null,null,390,1300,0.07484816888529536,"23 - 34 - 56",null,null,1.9812,613.53162,18.637194052438545,"6.9 - 10.3 - 17.1",29.663525814179867,"*","*",42.66352581417987,39.66352581417987,24.663525814179867,"*",{"$nulls":8},"Use core area and velocity for sound on this unit."]
[]
[]
[null,"1)  Throw values are given for terminal velocities of 150, 100, and 50 fpm (0.75,0.5 and 0.25 m/s), Isothermal Conditions"]
[null,"2) Dash (-) in space denotes an NC or dB value of less than 10."]
[null,"3) Data were obtained from test conducted in accordance with ANSI / ASHRAE Standard 70-1991."]
[null,"4) Octave Band data was estimated using the guidelines stated in the Engineering Section of Krueger's Catalog."]
[null,"5) NC assumes a room absorption of 10dB."]
[{"$nulls":41}," "]