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Roots · Roots Universal RAI-J Whispair performance data

Universal RAI-J 36UJ

Data coverage & sourcesCompare this modelAsk about this model
BlowersOil-freeOEM data
Roots Universal RAI-J 36UJ

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

Blower flow
537 m³/h

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 published3550 RPM, 4 PSI3550 RPM, 5 PSI3550 RPM, 6 PSI3550 RPM, 7 PSI2950 RPM, 4 PSI2950 RPM, 5 PSI2950 RPM, 6 PSI2950 RPM, 7 PSI1750 RPM, 4 PSI1750 RPM, 5 PSI1750 RPM, 6 PSI1750 RPM, 7 PSI3550 RPM, 15" HgV vacuum2950 RPM, 15" HgV vacuum1750 RPM, 14" HgV vacuumthe pressure "Flow" is stated at (3550 RPM, 5 PSI)the pressure "Flow" is stated at (3550 RPM, 4 PSI)the pressure "Flow" is stated at (3550 RPM, 7 PSI)the pressure "Flow" is stated at (3550 RPM, 6 PSI)as printed: "Weight"
Flow
Blower flow
316 CFM
oem source
Source · 2026-10-04
310 CFM
oem source
Source · 2026-10-04
305 CFM
oem source
Source · 2026-10-04
300 CFM
oem source
Source · 2026-10-04
254 CFM
oem source
Source · 2026-10-04
249 CFM
oem source
Source · 2026-10-04
244 CFM
oem source
Source · 2026-10-04
239 CFM
oem source
Source · 2026-10-04
132 CFM
oem source
Source · 2026-10-04
126 CFM
oem source
Source · 2026-10-04
121 CFM
oem source
Source · 2026-10-04
117 CFM
oem source
Source · 2026-10-04
Brake horsepower
Power consumption
7.4 BHP
oem source
Source · 2026-10-04
9.0 BHP
oem source
Source · 2026-10-04
10.5 BHP
oem source
Source · 2026-10-04
12.1 BHP
oem source
Source · 2026-10-04
5.9 BHP
oem source
Source · 2026-10-04
7.3 BHP
oem source
Source · 2026-10-04
8.6 BHP
oem source
Source · 2026-10-04
9.9 BHP
oem source
Source · 2026-10-04
3.2 BHP
oem source
Source · 2026-10-04
4.0 BHP
oem source
Source · 2026-10-04
4.8 BHP
oem source
Source · 2026-10-04
5.6 BHP
oem source
Source · 2026-10-04
Vacuum service inlet flow
Inlet flow (vacuum service)
273 CFM
oem source
Source · 2026-10-04
212 CFM
oem source
Source · 2026-10-04
95 CFM
oem source
Source · 2026-10-04
Vacuum service brake horsepower
Brake power (vacuum service)
11.9 BHP
oem source
Source · 2026-10-04
9.8 BHP
oem source
Source · 2026-10-04
5.4 BHP
oem source
Source · 2026-10-04
Reference working pressure
5 psi
oem source
Source · 2026-10-20
4 psi
oem source
Source · 2026-10-20
7 psi
oem source
Source · 2026-10-20
6 psi
oem source
Source · 2026-10-20
Weight
112
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: Universal RAI-J 33UJ, Universal RAI-J 45UJ, Universal RAI-J 47UJ, Universal RAI-J 56UJ

Reviewed operating performance · 60 Hz

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Service parts

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