handling fans - New York Blower

INLET BOX DAMPERS FORGENERAL PURPOSE FANS,ACOUSTAFOIL/PLR FANS,CLASS IV FANS, AF FANS,RTS FANS, GI FANS1. A and B are inside dimensions.2. Control arm (1/4” x 1-1/4” bar), formanual or automatic operation, suppliedon side away from fan.3. Control arm swings 45° each side ofcenterline.4. Damper flange is 7-gauge steel withholes on 4” centers from centerlines.5. Stuffing-box damper furnished withpacking boxes on vane rods onlinkage side, and with caps on the sideopposite the linkage.6. Specify fan rotation.7. Dimensions are in inches.8. Dimensions not to be used for constructionunless certified.2-1/4”BALL BRG. ONLY2-3/4” STD.3-3/4” STUFF BOX4-1/2” BALL BRG.DIMENSIONS [inches]GENERAL PURPOSE FANS, ACOUSTAFOIL/PLR FANS,CLASS IV FANS, AF FANS, RTS FANSDamperFlange holesFan Sizeinlet Number Wt.A B F G H J NGP, AcF/ AF, area Top and Dia. [lbs.]SidePLR, Cl. IV RTS [ft. 2 ] bottom18 -- 2.17 25 121/2 141/8 27 281/4 141/2 153/4 14 6 9/16 7120 24 2.67 273/4 137/8 10 293/4 31 157/8 171/8 14 6 9/16 8122 27 3.23 301/2 151/4 167/8 321/2 333/4 171/4 181/2 18 6 9/16 9124 30 3.96 333/4 167/8 217/8 361/4 38 193/8 211/8 18 10*/6† 9/16 10327 33 4.75 37 181/2 205/8 391/2 411/4 21 223/4 18 10 9/16 11730 36 5.91 411/4 205/8 223/4 433/4 451/2 231/8 247/8 22 10 9/16 13333 40 7.11 451/4 225/8 275/8 473/4 491/2 251/8 267/8 26 10 9/16 15236 44 8.77 501/4 251/8 271/4 523/4 541/2 275/8 293/8 26 14*/10† 9/16 17340 49 10.50 55 271/2 323/8 571/2 591/4 30 313/4 30 14 9/16 19744 54 13.03 611/4 305/8 357/8 633/4 651/2 331/8 347/8 34 14 9/16 22849 60 15.82 671/2 333/4 357/8 70 713/4 361/4 38 34 18 9/16 26454 66 19.27 741/2 371/4 393/8 77 783/4 393/4 411/2 38 18 9/16 30060 73 23.78 823/4 413/8 47 851/4 87 437/8 455/8 42 22 9/16 34566 -- 28.75 91 451/2 503/4 931/2 951/4 48 493/4 46 26 9/16 40373 -- 35.42 101 501/2 525/8 1031/2 1051/4 53 543/4 50 26 9/16 465* Inlet box † Inlet-box damper Tolerance: ± 1/8”DIMENSIONS [inches] - GI FANSTO OUTSIDE OFCONTROL ARM1” STD.1” STUFF BOX2-1/2” BALL BRG.DamperFlange holesFan inlet Number Wt.A B F G H J NSize area Top and Dia. [lbs.]Side[ft. 2 ]bottom224 1.76 221/2 111/4 127/8 241/2 253/4 131/4 141/2 14 6 7/16 62264 2.35 26 13 145/8 28 291/4 15 161/4 14 6 7/16 73294 3.02 291/2 143/4 163/8 311/2 323/4 163/4 18 14 6 7/16 85334 3.78 33 161/2 207/8 35 361/4 181/2 193/4 18 10*/6† 7/16 98364 4.63 361/2 181/4 197/8 381/2 393/4 201/4 211/2 18 10 7/16 110404 5.56 40 20 221/8 421/2 441/4 221/2 241/4 22 10 9/16 122454 7.19 451/2 223/4 247/8 48 493/4 251/4 27 26 10 9/16 145504 8.94 503/4 253/8 271/2 531/4 55 277/8 295/8 26 14 9/16 170574 11.58 573/4 287/8 337/8 601/4 62 313/8 331/8 30 14 9/16 201644 14.56 643/4 323/8 341/2 671/4 69 347/8 365/8 34 14 9/16 236714 17.88 713/4 357/8 38 741/4 76 383/8 401/8 38 18 9/16 268784 21.53 783/4 393/8 443/8 811/4 83 417/8 435/8 42 18 9/16 308854 25.68 86 43 481/4 881/2 901/4 451/2 471/4 46 22 9/16 352* Inlet box † Inlet-box damperPage 3Tolerance: ± 1/8”AirflowCLOSE (CCW FAN)OPEN (CW FAN)OPEN (CCW FAN)CLOSE (CW FAN)11/16” DIA. HOLE