Data coverage & sources
The stored record for Roots Universal RAI 33: specifications, configurations, documents, sources, and gaps.
One model, connected records
Roots → Roots Universal RAI performance data → Universal RAI 33
Manufacturer model: Universal RAI 33 · OEM article / order number: Not collected · Equipment type: blower
Technology: Blowers
Related applications: Aeration, Pneumatic Conveying, Pressure Conveying
Related industries: Mining, Pulp + Paper, Water + Wastewater
These are technology associations. Check the operating point and process requirements to establish suitability for this model.
Compare coverage across this familySpecifications and evidence
63 stored observations · 63 pass the source policy at 50 Hz. Individual ratings do not establish flow at a requested pressure.
The collection checklist follows the equipment type. Additional attributes are retained. “Not collected” means the database has no observation for that field.
Blower flow · Sourced · 24 observations / 1 sources
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 186 CFM | 316.0159 m3/h | Frequency not stated · model 3550 RPM, 4 PSI unspecified | Source · OEM_SOURCEFlow: 186Retrieved 2026-10-04 |
| 182 CFM | 309.2198 m3/h | Frequency not stated · model 3550 RPM, 5 PSI unspecified | Source · OEM_SOURCEFlow: 182Retrieved 2026-10-04 |
| 178 CFM | 302.4238 m3/h | Frequency not stated · model 3550 RPM, 6 PSI unspecified | Source · OEM_SOURCEFlow: 178Retrieved 2026-10-04 |
| 175 CFM | 297.3268 m3/h | Frequency not stated · model 3550 RPM, 7 PSI unspecified | Source · OEM_SOURCEFlow: 175Retrieved 2026-10-04 |
| 172 CFM | 292.2297 m3/h | Frequency not stated · model 3550 RPM, 8 PSI unspecified | Source · OEM_SOURCEFlow: 172Retrieved 2026-10-04 |
| 169 CFM | 287.1327 m3/h | Frequency not stated · model 3550 RPM, 9 PSI unspecified | Source · OEM_SOURCEFlow: 169Retrieved 2026-10-04 |
| 167 CFM | 283.7347 m3/h | Frequency not stated · model 3550 RPM, 10 PSI unspecified | Source · OEM_SOURCEFlow: 167Retrieved 2026-10-04 |
| 162 CFM | 275.2396 m3/h | Frequency not stated · model 3550 RPM, 12 PSI unspecified | Source · OEM_SOURCEFlow: 162Retrieved 2026-10-04 |
| 149 CFM | 253.1525 m3/h | Frequency not stated · model 2950 RPM, 4 PSI unspecified | Source · OEM_SOURCEFlow: 149Retrieved 2026-10-04 |
| 145 CFM | 246.3565 m3/h | Frequency not stated · model 2950 RPM, 5 PSI unspecified | Source · OEM_SOURCEFlow: 145Retrieved 2026-10-04 |
| 141 CFM | 239.5604 m3/h | Frequency not stated · model 2950 RPM, 6 PSI unspecified | Source · OEM_SOURCEFlow: 141Retrieved 2026-10-04 |
| 138 CFM | 234.4634 m3/h | Frequency not stated · model 2950 RPM, 7 PSI unspecified | Source · OEM_SOURCEFlow: 138Retrieved 2026-10-04 |
| 135 CFM | 229.3664 m3/h | Frequency not stated · model 2950 RPM, 8 PSI unspecified | Source · OEM_SOURCEFlow: 135Retrieved 2026-10-04 |
| 132 CFM | 224.2693 m3/h | Frequency not stated · model 2950 RPM, 9 PSI unspecified | Source · OEM_SOURCEFlow: 132Retrieved 2026-10-04 |
| 130 CFM | 220.8713 m3/h | Frequency not stated · model 2950 RPM, 10 PSI unspecified | Source · OEM_SOURCEFlow: 130Retrieved 2026-10-04 |
| 125 CFM | 212.3763 m3/h | Frequency not stated · model 2950 RPM, 12 PSI unspecified | Source · OEM_SOURCEFlow: 125Retrieved 2026-10-04 |
| 75 CFM | 127.4258 m3/h | Frequency not stated · model 1750 RPM, 4 PSI unspecified | Source · OEM_SOURCEFlow: 75Retrieved 2026-10-04 |
| 71 CFM | 120.6297 m3/h | Frequency not stated · model 1750 RPM, 5 PSI unspecified | Source · OEM_SOURCEFlow: 71Retrieved 2026-10-04 |
| 67 CFM | 113.8337 m3/h | Frequency not stated · model 1750 RPM, 6 PSI unspecified | Source · OEM_SOURCEFlow: 67Retrieved 2026-10-04 |
| 64 CFM | 108.7366 m3/h | Frequency not stated · model 1750 RPM, 7 PSI unspecified | Source · OEM_SOURCEFlow: 64Retrieved 2026-10-04 |
| 61 CFM | 103.6396 m3/h | Frequency not stated · model 1750 RPM, 8 PSI unspecified | Source · OEM_SOURCEFlow: 61Retrieved 2026-10-04 |
| 58 CFM | 98.5426 m3/h | Frequency not stated · model 1750 RPM, 9 PSI unspecified | Source · OEM_SOURCEFlow: 58Retrieved 2026-10-04 |
| 56 CFM | 95.1446 m3/h | Frequency not stated · model 1750 RPM, 10 PSI unspecified | Source · OEM_SOURCEFlow: 56Retrieved 2026-10-04 |
| 51 CFM | 86.6495 m3/h | Frequency not stated · model 1750 RPM, 12 PSI unspecified | Source · OEM_SOURCEFlow: 51Retrieved 2026-10-04 |
Max. pressure · Not collected · 0 observations / 0 sources
No stored observation. A family brochure or a separate maximum rating does not fill this field.
Max. vacuum · Not collected · 0 observations / 0 sources
No stored observation. A family brochure or a separate maximum rating does not fill this field.
Motor power · Not collected · 0 observations / 0 sources
No stored observation. A family brochure or a separate maximum rating does not fill this field.
Speed · Not collected · 0 observations / 0 sources
No stored observation. A family brochure or a separate maximum rating does not fill this field.
Noise level · Not collected · 0 observations / 0 sources
No stored observation. A family brochure or a separate maximum rating does not fill this field.
Weight · Sourced · 1 observations / 1 sources
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 74 | — | Frequency not stated · model as printed: "Wt." unspecified | Source · OEM_SOURCE2.0 NPT 1.75 74Retrieved 2026-10-20 |
Dimensions · Not collected · 0 observations / 0 sources
No stored observation. A family brochure or a separate maximum rating does not fill this field.
Inlet connection · Not collected · 0 observations / 0 sources
No stored observation. A family brochure or a separate maximum rating does not fill this field.
Outlet connection · Not collected · 0 observations / 0 sources
No stored observation. A family brochure or a separate maximum rating does not fill this field.
Power consumption · Sourced · 24 observations / 1 sources
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 4.1 BHP | 3.0574 kW | Frequency not stated · model 3550 RPM, 4 PSI unspecified | Source · OEM_SOURCEBrake horsepower: 4.1Retrieved 2026-10-04 |
| 5.0 BHP | 3.7285 kW | Frequency not stated · model 3550 RPM, 5 PSI unspecified | Source · OEM_SOURCEBrake horsepower: 5.0Retrieved 2026-10-04 |
| 6.0 BHP | 4.4742 kW | Frequency not stated · model 3550 RPM, 6 PSI unspecified | Source · OEM_SOURCEBrake horsepower: 6.0Retrieved 2026-10-04 |
| 6.9 BHP | 5.1453 kW | Frequency not stated · model 3550 RPM, 7 PSI unspecified | Source · OEM_SOURCEBrake horsepower: 6.9Retrieved 2026-10-04 |
| 7.9 BHP | 5.891 kW | Frequency not stated · model 3550 RPM, 8 PSI unspecified | Source · OEM_SOURCEBrake horsepower: 7.9Retrieved 2026-10-04 |
| 8.8 BHP | 6.5622 kW | Frequency not stated · model 3550 RPM, 9 PSI unspecified | Source · OEM_SOURCEBrake horsepower: 8.8Retrieved 2026-10-04 |
| 9.8 BHP | 7.3079 kW | Frequency not stated · model 3550 RPM, 10 PSI unspecified | Source · OEM_SOURCEBrake horsepower: 9.8Retrieved 2026-10-04 |
| 11.7 BHP | 8.7247 kW | Frequency not stated · model 3550 RPM, 12 PSI unspecified | Source · OEM_SOURCEBrake horsepower: 11.7Retrieved 2026-10-04 |
| 3.3 BHP | 2.4608 kW | Frequency not stated · model 2950 RPM, 4 PSI unspecified | Source · OEM_SOURCEBrake horsepower: 3.3Retrieved 2026-10-04 |
| 4.1 BHP | 3.0574 kW | Frequency not stated · model 2950 RPM, 5 PSI unspecified | Source · OEM_SOURCEBrake horsepower: 4.1Retrieved 2026-10-04 |
| 4.9 BHP | 3.6539 kW | Frequency not stated · model 2950 RPM, 6 PSI unspecified | Source · OEM_SOURCEBrake horsepower: 4.9Retrieved 2026-10-04 |
| 5.7 BHP | 4.2505 kW | Frequency not stated · model 2950 RPM, 7 PSI unspecified | Source · OEM_SOURCEBrake horsepower: 5.7Retrieved 2026-10-04 |
| 6.5 BHP | 4.8471 kW | Frequency not stated · model 2950 RPM, 8 PSI unspecified | Source · OEM_SOURCEBrake horsepower: 6.5Retrieved 2026-10-04 |
| 7.3 BHP | 5.4436 kW | Frequency not stated · model 2950 RPM, 9 PSI unspecified | Source · OEM_SOURCEBrake horsepower: 7.3Retrieved 2026-10-04 |
| 8.1 BHP | 6.0402 kW | Frequency not stated · model 2950 RPM, 10 PSI unspecified | Source · OEM_SOURCEBrake horsepower: 8.1Retrieved 2026-10-04 |
| 9.7 BHP | 7.2333 kW | Frequency not stated · model 2950 RPM, 12 PSI unspecified | Source · OEM_SOURCEBrake horsepower: 9.7Retrieved 2026-10-04 |
| 1.9 BHP | 1.4168 kW | Frequency not stated · model 1750 RPM, 4 PSI unspecified | Source · OEM_SOURCEBrake horsepower: 1.9Retrieved 2026-10-04 |
| 2.4 BHP | 1.7897 kW | Frequency not stated · model 1750 RPM, 5 PSI unspecified | Source · OEM_SOURCEBrake horsepower: 2.4Retrieved 2026-10-04 |
| 2.9 BHP | 2.1625 kW | Frequency not stated · model 1750 RPM, 6 PSI unspecified | Source · OEM_SOURCEBrake horsepower: 2.9Retrieved 2026-10-04 |
| 3.3 BHP | 2.4608 kW | Frequency not stated · model 1750 RPM, 7 PSI unspecified | Source · OEM_SOURCEBrake horsepower: 3.3Retrieved 2026-10-04 |
| 3.8 BHP | 2.8337 kW | Frequency not stated · model 1750 RPM, 8 PSI unspecified | Source · OEM_SOURCEBrake horsepower: 3.8Retrieved 2026-10-04 |
| 4.3 BHP | 3.2065 kW | Frequency not stated · model 1750 RPM, 9 PSI unspecified | Source · OEM_SOURCEBrake horsepower: 4.3Retrieved 2026-10-04 |
| 4.7 BHP | 3.5048 kW | Frequency not stated · model 1750 RPM, 10 PSI unspecified | Source · OEM_SOURCEBrake horsepower: 4.7Retrieved 2026-10-04 |
| 5.7 BHP | 4.2505 kW | Frequency not stated · model 1750 RPM, 12 PSI unspecified | Source · OEM_SOURCEBrake horsepower: 5.7Retrieved 2026-10-04 |
Reference working pressure · Sourced · 8 observations / 1 sources
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 5 psi | 344.738 mbar | Frequency not stated · model the pressure "Flow" is stated at (3550 RPM, 5 PSI) unspecified | Source · OEM_SOURCEFlow: 182Retrieved 2026-10-20 |
| 7 psi | 482.6332 mbar | Frequency not stated · model the pressure "Flow" is stated at (3550 RPM, 7 PSI) unspecified | Source · OEM_SOURCEFlow: 175Retrieved 2026-10-20 |
| 9 psi | 620.5284 mbar | Frequency not stated · model the pressure "Flow" is stated at (3550 RPM, 9 PSI) unspecified | Source · OEM_SOURCEFlow: 169Retrieved 2026-10-20 |
| 8 psi | 551.5808 mbar | Frequency not stated · model the pressure "Flow" is stated at (3550 RPM, 8 PSI) unspecified | Source · OEM_SOURCEFlow: 172Retrieved 2026-10-20 |
| 4 psi | 275.7904 mbar | Frequency not stated · model the pressure "Flow" is stated at (3550 RPM, 4 PSI) unspecified | Source · OEM_SOURCEFlow: 186Retrieved 2026-10-20 |
| 10 psi | 689.476 mbar | Frequency not stated · model the pressure "Flow" is stated at (3550 RPM, 10 PSI) unspecified | Source · OEM_SOURCEFlow: 167Retrieved 2026-10-20 |
| 6 psi | 413.6856 mbar | Frequency not stated · model the pressure "Flow" is stated at (3550 RPM, 6 PSI) unspecified | Source · OEM_SOURCEFlow: 178Retrieved 2026-10-20 |
| 12 psi | 827.3712 mbar | Frequency not stated · model the pressure "Flow" is stated at (3550 RPM, 12 PSI) unspecified | Source · OEM_SOURCEFlow: 162Retrieved 2026-10-20 |
Brake power (vacuum service) · Sourced · 3 observations / 1 sources
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 7.2 BHP | 5.369 kW | Frequency not stated · model 3550 RPM, 15" HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 7.2Retrieved 2026-10-04 |
| 5.9 BHP | 4.3996 kW | Frequency not stated · model 2950 RPM, 15" HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 5.9Retrieved 2026-10-04 |
| 3.0 BHP | 2.2371 kW | Frequency not stated · model 1750 RPM, 13" HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 3.0Retrieved 2026-10-04 |
Inlet flow (vacuum service) · Sourced · 3 observations / 1 sources
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 156 CFM | 265.0456 m3/h | Frequency not stated · model 3550 RPM, 15" HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 156Retrieved 2026-10-04 |
| 119 CFM | 202.1822 m3/h | Frequency not stated · model 2950 RPM, 15" HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 119Retrieved 2026-10-04 |
| 53 CFM | 90.0475 m3/h | Frequency not stated · model 1750 RPM, 13" HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 53Retrieved 2026-10-04 |
Operating-performance coverage
Each row keeps its own configuration and relationship. Pending points are stored for review and excluded from shopper comparisons.
No versioned performance dataset has been collected for this model. Stored legacy points: 0; each retains its existing evidence status.
Document coverage
Categories follow recorded document types and linked extracted data. One document can appear in several categories. Family documents remain shared references; extraction does not imply approval.
| Category | Model links | Family links | Public sources |
|---|---|---|---|
| Specifications | 1 | 0 |
|
| Performance curves / test data | 0 | 0 | Not collected |
| Operation / service manuals | 0 | 0 | Not collected |
| Parts documentation | 0 | 0 | Not collected |
| Drawings / dimensions | 0 | 0 | Not collected |
| Product / family literature | 0 | 0 | Not collected |
| Other / unclassified | 0 | 0 | Not collected |