Document em7J8MaNqpJkOx8G0RqZNeLxp

Air System Equipment Fans'and Blowers Century Fan & Ventilator Co. 45 Cedar Street Stamford, Conn. CENTURY INDUCED DRAFT FAN For Low and High Pressure Heating Plants. A mechanical device for creat ing a uniform draft regardless of weather conditions, resulting in complete com bustion with high COt content. For installation in breeching in any po sition. Eliminates high unsightly chimneys. Fan No. MD1A MD1B MD1 MD1 MD1 18 18 21 24 27 hp rpm a 1725 X 1725 X 1725 1 1725 1M 1725 70 2000 cfm 2700 cfm 4500 cfm 5800 cfm 7300 cfm S/P Oil Burning Rate--gal hr H' 20 27 %" 45 K' 58 X" 73 Inlet 20* x 20* 20* x 20* 23* x 23* 26* x 26* 29* x 29* Outlet 19* 19* 22* ' 25* 28* Complete with totally enclosed motor, stainless steel fan, 10 gage welded housing, manual speed controller magnetio starter. CENTURY CYCLONE ROOF FAN Dynamically and statically balanced, compact and systematically designed. Very quiet and efficient. Ideal for school and hospital buildings. Copper, galvanized and aluminum hous ing. Rated in accordance with test code as adopted by NAFM and ASHVE. Fan Size 16 19 22 25 28 31 34 37 43 50 ^ 56 62 Fan rpm 1350 980 1070 900 850 750 790 595 620 490 590 450 500 450 500 390 400 340 350 300 300 250 280 240 Motor hp X \i Hn & X M X X 1 X 1 IX 1 2 3 2 3 2 3 2 Fan Tip Speed 5290 3850 5040 4230 4650 4120 4960 3730 4390 3160 4640 3540 4330 3890 4710 3675 4390 3730 4480 3850 4310 3600 4450 3830 BELT DRIVE CFM Free Air 1640 1270 2620 2380 3640 3250 4640 4200 5860 5250 6920 6300 8400 8160 10200 9100 14800 12500 19000 16600 23400 19600 26700 23600 cfm W 1585 1160 2525 2200 3500 3100 4450 3975 5650 4950 6730 6100 8250 8000 9900 8650 14500 12250 17900 16500 22600 18500 25400 22500 For quiet operation select fans with Tip Speed 4500 or lower. STATIC PRESSURE cfm K* 1520 1000 2390 2100 3350 2870 4200 3975 5360 4520 6530 5750 7990 7590 9500 7900 13900 11200 17000 15000 21700 17400 24200 21200 cfm 1335 725 2250 1825 3160 2660 3900 3450 4930 4100 6200 5400 7500 7000 9200 6900 12800 10200 16400 13800 20500 15700 23000 19150 cfm W 1300 590 2050 1550 2925 205U 3G80 3160 4300 3460 5540 4970 6850 5900 8250 6230 12000 7600 14800 11700 18700 12000 21800 15000 1282 cfm hA" 1125 1780 1250 2550 1485 3250 2650 3620 1 2930 4950 3920 5885 4850 7200 5000 9000 13000 9000 16200 18900 12500 Air System Equipment Fans and Blowers Champion Blower & Forge Co. Manufacturers and Engineers pfamt& offices: Lancaster, Pa. Address Correspondence to Div. 9 Manufacturers of Blowers, Ventilating Fans and Exhaust Fans for Air and Material; and Blast Gates Representatives in Principal Cities Type D Backward curve ventilating fans, single width, and electric drive up to 30 in. wheel diameter. Type S Forward curve ventilating fans, single and double width. Sizes 6 in. to 60 in. wheel dia. Tm S Type BC Type CB Type BC Backward curve ventilating and exhaust fans, single and double width; belt driven and direct connected electric. Sizes 12 in. to 60 in. wheel dia. Type CE Electric cast iron exhaust and forced draft fans. Also volume control dampers. Type A Type SV Type A Industrial Ventilating and domestic attic fans. Built in sizes 30 in., 36 in., 42 in., 48 in. Type SV Super Ventilating fans, direct motor drive up to 36 in. diameter. Motor belt drive up to 48 in. size. 1283