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Vac & Air/Roots/Catalogue

Roots · Roots RAM-J Whispair performance data

RAM-J 404J

Data coverage & sourcesCompare this modelAsk about this model
BlowersOil-freeOEM data
Roots RAM-J 404J

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

Blower flow
673 m³/h
Weight
122 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, 4 PSI)the pressure "Flow" is stated at (4000 RPM, 18 PSI)the pressure "Flow" is stated at (4000 RPM, 12 PSI)the pressure "Flow" is stated at (4000 RPM, 6 PSI)the pressure "Flow" is stated at (4000 RPM, 15 PSI)the pressure "Flow" is stated at (4000 RPM, 8 PSI)the pressure "Flow" is stated at (4000 RPM, 10 PSI)as printed: "Approx. net Wt (lbs)"
Flow
Blower flow
396 CFM
oem source
Source · 2026-10-04
386 CFM
oem source
Source · 2026-10-04
378 CFM
oem source
Source · 2026-10-04
370 CFM
oem source
Source · 2026-10-04
364 CFM
oem source
Source · 2026-10-04
355 CFM
oem source
Source · 2026-10-04
347 CFM
oem source
Source · 2026-10-04
281 CFM
oem source
Source · 2026-10-04
271 CFM
oem source
Source · 2026-10-04
262 CFM
oem source
Source · 2026-10-04
255 CFM
oem source
Source · 2026-10-04
248 CFM
oem source
Source · 2026-10-04
239 CFM
oem source
Source · 2026-10-04
149 CFM
oem source
Source · 2026-10-04
139 CFM
oem source
Source · 2026-10-04
130 CFM
oem source
Source · 2026-10-04
123 CFM
oem source
Source · 2026-10-04
116 CFM
oem source
Source · 2026-10-04
Brake horsepower
Power consumption
8.3 BHP
oem source
Source · 2026-10-04
14.2 BHP
oem source
Source · 2026-10-04
17.9 BHP
oem source
Source · 2026-10-04
21.6 BHP
oem source
Source · 2026-10-04
25.3 BHP
oem source
Source · 2026-10-04
30.9 BHP
oem source
Source · 2026-10-04
37.0 BHP
oem source
Source · 2026-10-04
7.0 BHP
oem source
Source · 2026-10-04
9.8 BHP
oem source
Source · 2026-10-04
12.6 BHP
oem source
Source · 2026-10-04
15.4 BHP
oem source
Source · 2026-10-04
18.2 BHP
oem source
Source · 2026-10-04
22.4 BHP
oem source
Source · 2026-10-04
3.6 BHP
oem source
Source · 2026-10-04
5.3 BHP
oem source
Source · 2026-10-04
7.0 BHP
oem source
Source · 2026-10-04
Vacuum service inlet flow
Inlet flow (vacuum service)
353 CFM
oem source
Source · 2026-10-04
240 CFM
oem source
Source · 2026-10-04
115 CFM
oem source
Source · 2026-10-04
Vacuum service brake horsepower
Brake power (vacuum service)
15.9 BHP
oem source
Source · 2026-10-04
10.9 BHP
oem source
Source · 2026-10-04
5.9 BHP
oem source
Source · 2026-10-04
Reference working pressure
4 psi
oem source
Source · 2026-10-20
18 psi
oem source
Source · 2026-10-20
12 psi
oem source
Source · 2026-10-20
6 psi
oem source
Source · 2026-10-20
15 psi
oem source
Source · 2026-10-20
8 psi
oem source
Source · 2026-10-20
10 psi
oem source
Source · 2026-10-20
Weight
270 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 406J, RAM-J 409J, 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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