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Air Power Units, Blowers, & Accessories > Positive Displacement Blowers - Roots® RAM® WHISPAIR Positive Displacement Blowers


Positive Displacement Blowers - Roots® RAM® WHISPAIR Positive Displacement Blowers
ROOTS™ RAM™ WHISPAIR™ Rotary Positive Blowers
Frames 404J, 406J, 409J, 412J, 418J, 616J, 624J
RAM™ stands for Reliability, Availability and Maintainability.
A proprietary design that reduces noise and power loss by utilizing an exclusive wrap-around flange and jet to control pressure equalization, eliminating rapid backflow of gas into the pump from the discharge area. Features: Designed for gas services, Low noise level, less operating power required, Improved volumetric efficiency and reduced operating temperatures, Alloy steel timing gears, Cylindrical roller bearings, Long-life mechanical seals - hydrodynamic drive shaft seal, Splash oil lubrication, Fewer moving parts � no valves or vanes to wear, Horizontal and vertical configurations available, Stainless steel construction available for corrosive gases.
WARRANTY PERIOD- Twenty-Four (24) months from date of original unit start-up.
Add ROOTS™ RAM™ WHISPAIR™ Rotary Positive Blower 404J to cart Add ROOTS™ RAM™ WHISPAIR™ Rotary Positive Blower 406J to cart Add ROOTS™ RAM™ WHISPAIR™ Rotary Positive Blower 409J to cart Add ROOTS™ RAM™ WHISPAIR™ Rotary Positive Blower 412J to cart Add ROOTS™ RAM™ WHISPAIR™ Rotary Positive Blower 418J to cart
Add ROOTS™ RAM™ WHISPAIR™ Rotary Positive Blower 616J to cart Add ROOTS™ RAM™ WHISPAIR™ Rotary Positive Blower 624J to cart


Positive Displacement Blowers - Roots® RAM® WHISPAIR Dimensional Data
Frame Size A A' B C Shaft D Shaft D' O O' P P' R U Keyway AF Inlet Diametr AF' Discharge Diametr AX Aprox. NetWt (lbs)
404J 8.00 11.00 8.75 18.50 11.25 7.50 16.63 14.75 14.50 15.25 9.00 1.50 .375 x .188 3.0 NPT 3.0 NPT 7.25 2.25
406J 8.00 11.00 10.75 20.50 11.25 7.50 16.63 14.75 14.50 15.25 9.00 1.50 .375 x .188 4.0 NPT 4.0 NPT 7.25 2.25
409J 8.00 11.00 13.75 23.50 11.25 7.50 16.63 14.75 14.50 15.25 9.00 1.50 .375 x .188 5.0 NPT 5.0 NPT 7.25 2.25
412J 8.00 11.00 16.75 26.50 11.25 7.50 16.63 13.50 13.00 15.25 9.00 1.50 .375 x .188 6.0 FLG 5.0 FLG 6.00 2.25
418J 8.00 11.00 22.75 32.50 11.25 7.50 16.63 14.50 14.00 15.25 9.00 1.50 .375 x .188 8.0 FLG 6.0 FLG 7.00 2.25
616J 9.00 15.00 20.75 32.19 15.00 9.00 22.00 16.50 16.25 20.00 12.00 2.00 .500 x .250 8.0 FLG 6.0 FLG 7.50 3.00
624J 9.00 15.00 28.75 40.19 15.00 9.00 22.00 17.75 17.50 20.00 12.00 2.00 .500 x .250 10.0 FLG 8.0 FLG 8.75 3.00


Positive Displacement Blowers - Roots® RAM® WHISPAIR Pressure Performance Table
Frame Size Speed RPM 4 PSI
CFM 		4 PSI
BHP 		6 PSI
CFM 		6 PSI
BHP 		8 PSI
CFM 		8 PSI
BHP 		10 PSI
CFM 		10 PSI
BHP 		12 PSI
CFM 		12 PSI
BHP 		15 PSI
CFM 		15 PSI
BHP 		18 PSI
CFM 		18 PSI
BHP
404J 1750.00 149.00 3.60 139.00 5.30 130.00 7.00 123.00 8.70 116.00 10.40
404J 2950.00 281.00 7.00 271.00 9.80 262.00 12.60 255.00 15.40 248.00 18.20 239.00 22.40
404J 4000.00 396.00 8.30 386.00 14.20 378.00 17.90 370.00 21.60 364.00 25.30 355.00 30.90 347.00 37.00
406J 1750.00 225.00 5.40 210.00 8.00 198.00 10.50 187.00 13.00 177.00 15.60
406J 2950.00 426.00 10.50 411.00 14.70 398.00 18.90 387.00 23.10 377.00 27.30 363.00 33.60
406J 4000.00 601.00 15.00 586.00 20.10 574.00 26.00 562.00 31.90 552.00 37.00 539.00 46.50 526.00 54.00
409J 1750.00 338.00 8.50 315.00 12.00 296.00 15.80 279.00 20.00 264.00 23.50
409J 2950.00 638.00 15.20 615.00 21.50 596.00 27.80 579.00 34.10 564.00 40.40 544.00 49.80
409J 4000.00 900.00 24.00 878.00 30.00 859.00 38.10 842.00 46.80 827.00 55.00 806.00 67.90 788.00 79.00
412J 1750.00 450.00 11.00 420.00 16.00 394.00 21.00 372.00 26.00 352.00 32.00
412J 2950.00 849.00 19.90 819.00 28.30 794.00 36.60 772.00 45.00 752.00 53.40 724.00 66.00
412J 4000.00 1199.00 28.80 1169.00 39.90 1144.00 51.00 1121.00 62.20 1101.00 73.30 1074.00 90.00
418J 1750.00 675.00 16.50 630.00 24.00 592.00 31.70 559.00 39.00
418J 2950.00 1275.00 29.50 1230.00 42.10 1192.00 54.70 1159.00 67.30
418J 4000.00 1800.00 42.90 1755.00 59.70 1717.00 73.40 1684.00 93.10
616J 1170.00 718.00 16.90 672.00 24.90 633.00 32.90 599.00 40.90 568.00 49.00
616J 1750.00 1176.00 26.20 1130.00 38.20 1091.00 50.10 1056.00 62.00 1025.00 73.90
616J 3000.00 2162.00 48.90 2116.00 68.70 2077.00 88.50 2043.00 108.30 2012.00 128.00 1970.00 157.70
624J 1170.00 1077.00 25.40 1008.00 37.50 950.00 49.50 899.00 61.50
624J 1750.00 1764.00 39.90 1695.00 57.80 1637.00 75.70 1585.00 93.60
624J 3000.00 3244.00 77.60 3175.00 107.30 3117.00 137.00 3065.00 166.70


Positive Displacement Blowers - Roots® RAM® WHISPAIR Positive Displacement Blowers
Frame Size Speed RPM MAX VACUUM
HG " 		MAX VACUUM
CFM 		MAX VACUUM
BHP
404J 1750.00 14.00 115.00 5.90
404J 2950.00 15.00 240.00 11.20
404J 4000.00 16.00 353.00 15.90
406J 1750.00 14.00 173.00 9.00
406J 2950.00 15.00 365.00 16.90
406J 4000.00 16.00 531.00 23.60
409J 1750.00 14.00 259.00 13.50
409J 2950.00 15.00 546.00 24.80
409J 4000.00 16.00 795.00 35.10
412J 1750.00 14.00 343.00 17.90
412J 2950.00 15.00 728.00 32.70
412J 4000.00 16.00 1059.00 46.50
418J 1750.00 14.00 515.00 26.80
418J 2950.00 15.00 1092.00 48.90
418J 4000.00 16.00 1590.00 69.70
616J 1170.00 13.00 579.00 25.90
616J 1750.00 14.00 1013.00 42.00
616J 3000.00 16.00 1946.00 81.70
624J 1170.00 13.00 869.00 39.00
624J 1750.00 14.00 1519.00 63.40
624J 3000.00 16.00 2920.00 124.60

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Advanced Industrial Design's specific area of expertise is engineering and designing dilute phase pneumatic conveying systems.