Data coverage & sources
The stored record for Roots DVJ 2504J: specifications, configurations, documents, sources, and gaps.
One model, connected records
Roots → Roots DVJ Whispair exhauster performance data → DVJ 2504J
Manufacturer model: DVJ 2504J · 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
44 stored observations · 43 pass the source policy at 60 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 · Not collected · 0 observations / 0 sources
No stored observation. A family brochure or a separate maximum rating does not fill this field.
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 · Sourced · 1 observations / 1 sources
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 20 ” HgV | — | Frequency not stated · series as printed: "continuous operation at vacuum levels to"; stated for the whole series unspecified | Source · OEM_SOURCEpermits continuous operation at vacuum levels to 20” HgV with a single stage unit.Retrieved 2026-10-20 |
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 · Not collected · 0 observations / 0 sources
No stored observation. A family brochure or a separate maximum rating does not fill this field.
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.
Max Free Air · Needs review · 1 observations / 1 sources · classification pending
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 170 CFM | 288.8317 m3/h | Frequency not stated · model Conditions not stated unspecified | Source · OEM_SOURCEMax. free air: 170Retrieved 2026-10-04 |
Brake power (vacuum service) · Sourced · 21 observations / 1 sources
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 4.6 BHP | 3.4302 kW | Frequency not stated · model 4970 RPM, 12” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 4.6Retrieved 2026-10-04 |
| 6 BHP | 4.4742 kW | Frequency not stated · model 4970 RPM, 16” HgV vacuum unspecified | Source · OEM_VERIFIEDVacuum service brake horsepower: 6Retrieved 2026-10-04 |
| 7.4 BHP | 5.5182 kW | Frequency not stated · model 4970 RPM, 20” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 7.4Retrieved 2026-10-04 |
| 4.1 BHP | 3.0574 kW | Frequency not stated · model 4515 RPM, 12” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 4.1Retrieved 2026-10-04 |
| 5.4 BHP | 4.0268 kW | Frequency not stated · model 4515 RPM, 16” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 5.4Retrieved 2026-10-04 |
| 6.7 BHP | 4.9962 kW | Frequency not stated · model 4515 RPM, 20” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 6.7Retrieved 2026-10-04 |
| 3.6 BHP | 2.6845 kW | Frequency not stated · model 3985 RPM, 12” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 3.6Retrieved 2026-10-04 |
| 4.7 BHP | 3.5048 kW | Frequency not stated · model 3985 RPM, 16” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 4.7Retrieved 2026-10-04 |
| 5.9 BHP | 4.3996 kW | Frequency not stated · model 3985 RPM, 20” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 5.9Retrieved 2026-10-04 |
| 3.1 BHP | 2.3117 kW | Frequency not stated · model 3540 RPM, 12” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 3.1Retrieved 2026-10-04 |
| 4.2 BHP | 3.1319 kW | Frequency not stated · model 3540 RPM, 16” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 4.2Retrieved 2026-10-04 |
| 5.2 BHP | 3.8776 kW | Frequency not stated · model 3540 RPM, 20” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 5.2Retrieved 2026-10-04 |
| 2.6 BHP | 1.9388 kW | Frequency not stated · model 2990 RPM, 12” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 2.6Retrieved 2026-10-04 |
| 3.5 BHP | 2.61 kW | Frequency not stated · model 2990 RPM, 16” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 3.5Retrieved 2026-10-04 |
| 4.4 BHP | 3.2811 kW | Frequency not stated · model 2990 RPM, 20” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 4.4Retrieved 2026-10-04 |
| 2.3 BHP | 1.7151 kW | Frequency not stated · model 2655 RPM, 12” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 2.3Retrieved 2026-10-04 |
| 3.1 BHP | 2.3117 kW | Frequency not stated · model 2655 RPM, 16” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 3.1Retrieved 2026-10-04 |
| 3.9 BHP | 2.9082 kW | Frequency not stated · model 2655 RPM, 20” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 3.9Retrieved 2026-10-04 |
| 2.1 BHP | 1.566 kW | Frequency not stated · model 2400 RPM, 12” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 2.1Retrieved 2026-10-04 |
| 2.8 BHP | 2.088 kW | Frequency not stated · model 2400 RPM, 16” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 2.8Retrieved 2026-10-04 |
| 3.5 BHP | 2.61 kW | Frequency not stated · model 2400 RPM, 20” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 3.5Retrieved 2026-10-04 |
Inlet flow (vacuum service) · Sourced · 21 observations / 1 sources
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 135 CFM | 229.3664 m3/h | Frequency not stated · model 4970 RPM, 12” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 135Retrieved 2026-10-04 |
| 124 CFM | 210.6772 m3/h | Frequency not stated · model 4970 RPM, 16” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 124Retrieved 2026-10-04 |
| 109 CFM | 185.1921 m3/h | Frequency not stated · model 4970 RPM, 20” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 109Retrieved 2026-10-04 |
| 119 CFM | 202.1822 m3/h | Frequency not stated · model 4515 RPM, 12” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 119Retrieved 2026-10-04 |
| 108 CFM | 183.4931 m3/h | Frequency not stated · model 4515 RPM, 16” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 108Retrieved 2026-10-04 |
| 93 CFM | 158.0079 m3/h | Frequency not stated · model 4515 RPM, 20” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 93Retrieved 2026-10-04 |
| 101 CFM | 171.6 m3/h | Frequency not stated · model 3985 RPM, 12” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 101Retrieved 2026-10-04 |
| 90 CFM | 152.9109 m3/h | Frequency not stated · model 3985 RPM, 16” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 90Retrieved 2026-10-04 |
| 75 CFM | 127.4258 m3/h | Frequency not stated · model 3985 RPM, 20” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 75Retrieved 2026-10-04 |
| 86 CFM | 146.1149 m3/h | Frequency not stated · model 3540 RPM, 12” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 86Retrieved 2026-10-04 |
| 75 CFM | 127.4258 m3/h | Frequency not stated · model 3540 RPM, 16” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 75Retrieved 2026-10-04 |
| 60 CFM | 101.9406 m3/h | Frequency not stated · model 3540 RPM, 20” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 60Retrieved 2026-10-04 |
| 67 CFM | 113.8337 m3/h | Frequency not stated · model 2990 RPM, 12” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 67Retrieved 2026-10-04 |
| 56 CFM | 95.1446 m3/h | Frequency not stated · model 2990 RPM, 16” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 56Retrieved 2026-10-04 |
| 41 CFM | 69.6594 m3/h | Frequency not stated · model 2990 RPM, 20” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 41Retrieved 2026-10-04 |
| 56 CFM | 95.1446 m3/h | Frequency not stated · model 2655 RPM, 12” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 56Retrieved 2026-10-04 |
| 44 CFM | 74.7564 m3/h | Frequency not stated · model 2655 RPM, 16” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 44Retrieved 2026-10-04 |
| 30 CFM | 50.9703 m3/h | Frequency not stated · model 2655 RPM, 20” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 30Retrieved 2026-10-04 |
| 47 CFM | 79.8535 m3/h | Frequency not stated · model 2400 RPM, 12” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 47Retrieved 2026-10-04 |
| 36 CFM | 61.1644 m3/h | Frequency not stated · model 2400 RPM, 16” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 36Retrieved 2026-10-04 |
| 21 CFM | 35.6792 m3/h | Frequency not stated · model 2400 RPM, 20” HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 21Retrieved 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 |