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


Positive Displacement Blowers - Roots® RAM® Positive Displacement Blowers
ROOTS™ RAM™ Rotary Positive Blowers
Frames 404, 406, 409, 412, 418, 616, 624
RAM™ stands for Reliability, Availability and Maintainability.
Features: Alloy steel spur timing gears are taper mounted on the shafts, Cylindrical roller bearings, Piston rings reduce air leakage through the shaft and head plates, Lip-type oil seals prevent lubricant from entering the air chamber. A hydrodynamic seal on the drive shaft prevents shaft seal oil leaks.
WARRANTY PERIOD- Twenty-Four (24) months from date of original unit start-up.
Add ROOTS™ RAM™ Rotary Positive Blower 404 to cart Add ROOTS™ RAM™ Rotary Positive Blower 406 to cart Add ROOTS™ RAM™ Rotary Positive Blower 409 to cart Add ROOTS™ RAM™ Rotary Positive Blower 412 to cart Add ROOTS™ RAM™ Rotary Positive Blower 418 to cart
Add ROOTS™ RAM™ Rotary Positive Blower 616 to cart Add ROOTS™ RAM™ Rotary Positive Blower 624 to cart


Positive Displacement Blowers - Roots® RAM® 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)
404 8.00 11.00 8.75 18.50 11.25 7.50 16.63 13.50 12.00 15.25 9.00 1.50 .375 x.188 3.0 NPT 3.0 NPT 2.25 200.00
406 8.00 11.00 10.75 20.50 11.25 7.50 16.63 13.50 12.00 15.25 9.00 1.50 .375 x.188 4.0 NPT 4.0 NPT 2.25 230.00
409 8.00 11.00 13.75 23.50 11.25 7.50 16.63 13.00 11.00 15.25 9.00 1.50 .375 x.188 4.0 NPT 4.0 NPT 2.25 270.00
412 8.00 11.00 16.75 26.50 11.25 7.50 16.63 13.00 11.00 15.25 9.00 1.50 .375 x.188 6.0 FLG 6.0 FLG 2.25 330.00
418 8.00 11.00 22.75 32.50 11.25 7.50 16.63 13.00 11.00 15.25 9.00 1.50 .375 x.188 8.0 FLG 8.0 FLG 2.25 410.00
616 10.00 16.00 20.75 32.44 15.00 9.00 22.00 16.25 14.50 20.00 12.00 2.00 .500 x.250 8.0 FLG 8.0 FLG 3.00 650.00
624 10.00 16.00 28.75 40.44 15.00 9.00 22.00 16.25 14.50 20.00 12.00 2.00 .500 x.250 10.0 FLG 10.0 FLG 3.00 775.00


Positive Displacement Blowers - Roots® RAM® 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
404 1750.00 148.00 3.60 139.00 5.30 130.00 6.90 123.00 8.60 116.00 10.30
404 2950.00 280.00 6.80 271.00 9.50 262.00 12.30 255.00 15.10 248.00 17.90 239.00 22.00
404 4000.00 396.00 10.40 386.00 14.10 378.00 17.80 370.00 21.50 364.00 25.20 355.00 30.70 347.00 36.20
406 1750.00 225.00 5.40 210.00 7.90 198.00 10.50 187.00 13.00 177.00 15.50
406 2950.00 426.00 10.00 411.00 14.20 398.00 18.40 387.00 22.60 377.00 26.80 363.00 33.20
406 4000.00 601.00 15.10 586.00 20.70 574.00 26.30 562.00 31.90 552.00 37.50 539.00 45.90 526.00 54.30
409 1750.00 338.00 8.00 315.00 11.80 296.00 15.60 279.00 19.40 264.00 23.20
409 2950.00 638.00 14.70 615.00 21.00 596.00 27.30 579.00 33.60 564.00 39.90 544.00 49.30
409 4000.00 900.00 21.90 878.00 30.30 859.00 38.70 842.00 47.00 827.00 55.40 806.00 68.00 788.00 80.50
412 1750.00 450.00 10.60 420.00 15.70 394.00 20.70 372.00 25.80 352.00 30.80
412 2950.00 849.00 19.40 819.00 27.80 794.00 36.20 772.00 44.60 752.00 52.90 724.00 65.50
412 4000.00 1199.00 28.80 1169.00 39.90 1144.00 51.10 1121.00 62.20 1101.00 73.40 1074.00 90.10
418 1750.00 675.00 15.90 630.00 23.50 592.00 31.10 559.00 38.70
418 2950.00 1275.00 28.90 1230.00 41.50 1192.00 54.10 1159.00 66.70
418 4000.00 1800.00 42.80 1755.00 59.50 1717.00 76.30 1684.00 93.00
616 1170.00 671.00 16.60 614.00 24.60 566.00 32.60 524.00 40.60 486.00 48.60
616 1750.00 1128.00 25.60 1072.00 37.50 1024.00 49.40 982.00 61.30 943.00 73.20
616 3000.00 2115.00 49.00 2058.00 68.80 2010.00 88.60 1968.00 108.40 1930.00 128.20 1878.00 157.90
624 1170.00 1006.00 25.10 921.00 37.10 849.00 49.10 786.00 61.10
624 1750.00 1693.00 39.30 1608.00 57.20 1536.00 75.00 1473.00 92.80
624 3000.00 3173.00 77.60 3088.00 107.30 3016.00 137.10 2953.00 166.80


Positive Displacement Blowers - Roots® RAM® 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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