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rl rte► r 1 b %a6 . � r 1 Rotary Positive Blowerc. FRAME 22 thru 718 BASIC BLOWER OPERATING PRINCIPLE DESCRIPTION Universal RAI blowers ars -� heavy duty rotary blowers designer J with detachable rugged stee mounting feet, which permit eas in-field adaptability to either ver tical or horizontal installation re POSITION POSITION POSITION POSITION qurrements The Universal RA blowers can even be hung from Two figure eight lobe Impellers mounted on parallel shafts rotate in opposite directions overhead supports As each Impeller passes the blower Inlet.It traps a definite volume of air and carries It around Because of the detachable the case to the blower outlet,where the air is discharged With constant speed operation,the mounting feet, these units can be displaced volume is essentially the same regardless of pressure,temperature or barometric pressure easily adapted to any of four drive Timing gears control the relative position of the Impellers to each other and maintain shaft positions — right hand, left small but definite clearances This allows operation without lubrication being required Inside hand, bottom or top. The cont- +! air casing pact, sturdy design is engineerec for continuous service when op- OUTLINE DRAWING & DIMENSIONAL TABLE erated in accordance with speed I and pressure ratings. The basic model Consists Of r INLET 8 DISCHARGE CONNECTIONS TOP DISCHARGE a cast iron casing, carburized and round aAo fJ g y steel$pur timing gears P AF secured to steel shafts with a taper Tap Ax-I---- AX mounting and locknut, and cast _�YYI SHAFT— r I ! iron involute impellers Oversized anti-friction bearings are used,with o � a cylindrical roller bearing at the R yr D, r i ° ° Cl. drive shaft to withstand V-belt pull Lizy l ` The Universal RAI features thrust u�• � control, with splash oil lube on I the gear end and grease lube on ~�� SHAFTT �BOTTOM � L "� the drive end After standard tests, LEFT LGHTY BOTTOM DISCHARGE the unit is sprayed ed with a LEFT RIGHT BOTTOM J DISCHARGE tective paint and boxed or placed VERTICAL CONFIGURATION HORIZONTAL CONFIGURATION on skids On"Shaft Local ion �; LT ,� ai �; ��r ; Available accessories include B C- a D D. o o� -P - R u IC•pwar : AF Ax N•swc driver, relief valve, inlet and dls- Frsltw t Bottom Top Hodr- %; k-; ^ 4 r Dlsch (Lbs} sits - shaft shat Shaft •�� - ��-� DIa charge silencer, inlet tiller, check 22 513 500 975 375 625 375 963 688 625 500 625 188x094 10 NPT 925 1,25 32 valve, extended base V-belt Or 24 513 700 it 75 375 625 375 963 888 625 500 625 1881094 2 0 NPT 925 115 43 32 725 675 1125 500 850 500 1281 886 775 675 750 168x094 125NPT 1213 175! 64 flexible coupling and drive guards 33 7,25 763 1213 500 B 50 500 1281 898 7 75 6 75 750 1881 094 20 NPT 12 13 1 75 74 36 725 10 00 1463 500 850 500 1281 888 775 675 750 188x 094 25 NPT 12 13 1 75 102 42 Boo 725 1300 6.25 1025 625 1506 1063 875 825 $75 1881 094 15 NPT 1363 200 88 45 600 1000 1550 625 1025 625 1506 1063 8 75 8.25 ,875 188x.094 25 NPT 1363 200 109 47 800 11 75 1763 625 1025 625 1506 1050 850 825 .875 1881094 30 NPT 1363 200 128 53 1050 838 1538 625 1125 6 75 17 3a 1188 1025 8 75 1 125 .2501 125 25 NPT 1725 250 143 56 1050 1100 18 00 625 1125 6 75 1738 1225 11 00 B 75 1 125 250x 125 40 NPT 1725 150 170 59 1050 1400 2118 625 11 25 675 17 38 1225 11 00 6 75 1 125 250x 125 40 HPT 1725 250 204 65 1100 1000 1838 8 75 14 75 875 2163 15 13 12.75 11 75 1 375 .3121 156 3 0 N PT 1975 300 245 68 1100 tDO 1300 2138 8 75 14 75 875 21 63 1513 1275 1175 1.375 312x 156 50 N PT 19 75 300 285 00 615 11 20 00 28 38 8 75 14 75 875 21 63 1625 1500 11 75 IA75 3121 156 60 FLG 1975 300 425 L 76 14 00 11 75 1994 1100 1800 1100 2613 2069 1938 1450 1 562 .3751 188 4 0 NPT 23 25 350 400 r`- 711 14 00 1675 25 19 1100 1800 1100 26 13 1950 1700 1450 1 562 375x 188 60 FLG 2325 3 50 530 718 1400 2375 3219 1100 1 1800 1100 2613 1950 1700 1450 1562 37sx 166 80 FLG 2325 350 650 EVERY GROWING PLANT NEEDS ROOTS 17 00 in horizontal conflgurahon 21 00 in horizontal configuration All dimensions in inches