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Roots · Roots RAM-J Whispair performance data

RAM-J 409J

Data coverage & sourcesCompare this modelAsk about this model
BlowersOil-freeOEM data
Roots RAM-J 409J

*Photo shows the RAM-J Whispair series, not necessarily this exact model. Image: Roots

Blower flow
1,530 m³/h
Weight
159 kg

Headline ratings converted to common units for comparison; the table below shows each figure exactly as published.

Technical data

Source: Roots product page · retrieved 2026-10-04
As published4000 RPM, 4 PSI4000 RPM, 6 PSI4000 RPM, 8 PSI4000 RPM, 10 PSI4000 RPM, 12 PSI4000 RPM, 15 PSI4000 RPM, 18 PSI2950 RPM, 4 PSI2950 RPM, 6 PSI2950 RPM, 8 PSI2950 RPM, 10 PSI2950 RPM, 12 PSI2950 RPM, 15 PSI1750 RPM, 4 PSI1750 RPM, 6 PSI1750 RPM, 8 PSI1750 RPM, 10 PSI1750 RPM, 12 PSI4000 RPM, 16.0" HgV vacuum2950 RPM, 15.0" HgV vacuum1750 RPM, 14.0" HgV vacuumthe pressure "Flow" is stated at (4000 RPM, 15 PSI)the pressure "Flow" is stated at (4000 RPM, 18 PSI)the pressure "Flow" is stated at (4000 RPM, 6 PSI)the pressure "Flow" is stated at (4000 RPM, 8 PSI)the pressure "Flow" is stated at (4000 RPM, 4 PSI)the pressure "Flow" is stated at (4000 RPM, 10 PSI)the pressure "Flow" is stated at (4000 RPM, 12 PSI)as printed: "Approx. net Wt (lbs)"
Flow
Blower flow
900 CFM
oem source
Source · 2026-10-04
878 CFM
oem source
Source · 2026-10-04
859 CFM
oem source
Source · 2026-10-04
842 CFM
oem source
Source · 2026-10-04
827 CFM
oem source
Source · 2026-10-04
806 CFM
oem source
Source · 2026-10-04
788 CFM
oem source
Source · 2026-10-04
638 CFM
oem source
Source · 2026-10-04
615 CFM
oem source
Source · 2026-10-04
596 CFM
oem source
Source · 2026-10-04
579 CFM
oem source
Source · 2026-10-04
564 CFM
oem source
Source · 2026-10-04
544 CFM
oem source
Source · 2026-10-04
338 CFM
oem source
Source · 2026-10-04
315 CFM
oem source
Source · 2026-10-04
296 CFM
oem source
Source · 2026-10-04
279 CFM
oem source
Source · 2026-10-04
264 CFM
oem source
Source · 2026-10-04
Brake horsepower
Power consumption
24.0 BHP
oem source
Source · 2026-10-04
30.0 BHP
oem source
Source · 2026-10-04
38.1 BHP
oem source
Source · 2026-10-04
46.8 BHP
oem source
Source · 2026-10-04
55.0 BHP
oem source
Source · 2026-10-04
67.9 BHP
oem source
Source · 2026-10-04
79.0 BHP
oem source
Source · 2026-10-04
15.2 BHP
oem source
Source · 2026-10-04
21.5 BHP
oem source
Source · 2026-10-04
27.8 BHP
oem source
Source · 2026-10-04
34.1 BHP
oem source
Source · 2026-10-04
40.4 BHP
oem source
Source · 2026-10-04
49.8 BHP
oem source
Source · 2026-10-04
8.5 BHP
oem source
Source · 2026-10-04
12.0 BHP
oem source
Source · 2026-10-04
15.8 BHP
oem source
Source · 2026-10-04
20.0 BHP
oem source
Source · 2026-10-04
23.5 BHP
oem source
Source · 2026-10-04
Vacuum service inlet flow
Inlet flow (vacuum service)
795 CFM
oem source
Source · 2026-10-04
546 CFM
oem source
Source · 2026-10-04
259 CFM
oem source
Source · 2026-10-04
Vacuum service brake horsepower
Brake power (vacuum service)
35.1 BHP
oem source
Source · 2026-10-04
24.4 BHP
oem source
Source · 2026-10-04
13.5 BHP
oem source
Source · 2026-10-04
Reference working pressure
15 psi
oem source
Source · 2026-10-20
18 psi
oem source
Source · 2026-10-20
6 psi
oem source
Source · 2026-10-20
8 psi
oem source
Source · 2026-10-20
4 psi
oem source
Source · 2026-10-20
10 psi
oem source
Source · 2026-10-20
12 psi
oem source
Source · 2026-10-20
Weight
350 lbs
oem source
Source · 2026-10-20

Original extracted values are shown with their source and review status. Multiple values under the same condition remain separate for review.

Same family: RAM-J 404J, RAM-J 406J, RAM-J 412J, RAM-J 418J, RAM-J 616J, RAM-J 624J

Reviewed operating performance · 60 Hz

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Documents

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Service parts

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Roots RAM-J 409J | Vac & Air