Data coverage & sources
The stored record for Roots DVJ 1428J: specifications, configurations, documents, sources, and gaps.
One model, connected records
Roots → Roots DVJ Whispair exhauster performance data → DVJ 1428J
Manufacturer model: DVJ 1428J · 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
11 stored observations · 10 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 |
|---|---|---|---|
| 22.5 "Hg | 22.5 inHg | Frequency not stated · model as printed: "Maximum vacuum limited to" unspecified | Source · OEM_SOURCEMaximum vacuum limited to 22.5” HgRetrieved 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 · Sourced · 1 observations / 1 sources
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 5900 lbs | 2676.193 kg | Frequency not stated · model as printed: "Wgt." unspecified | Source · OEM_SOURCE16 FLG 5900Retrieved 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.
Max Free Air · Needs review · 1 observations / 1 sources · classification pending
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 9789 CFM | 16631.61 m3/h | Frequency not stated · model Conditions not stated unspecified | Source · OEM_SOURCEMax. free air: 9789Retrieved 2026-10-04 |
Brake power (vacuum service) · Sourced · 4 observations / 1 sources
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 347 BHP | 258.7579 kW | Frequency not stated · model 1300 RPM, 16”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 347Retrieved 2026-10-04 |
| 427 BHP | 318.4139 kW | Frequency not stated · model 1300 RPM, 20”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 427Retrieved 2026-10-04 |
| 230 BHP | 171.511 kW | Frequency not stated · model 880 RPM, 16”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 230Retrieved 2026-10-04 |
| 285 BHP | 212.5245 kW | Frequency not stated · model 880 RPM, 20”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 285Retrieved 2026-10-04 |
Inlet flow (vacuum service) · Sourced · 4 observations / 1 sources
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 8369 CFM | 14219.01 m3/h | Frequency not stated · model 1300 RPM, 16”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 8369Retrieved 2026-10-04 |
| 7911 CFM | 13440.87 m3/h | Frequency not stated · model 1300 RPM, 20”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 7911Retrieved 2026-10-04 |
| 5207 CFM | 8846.745 m3/h | Frequency not stated · model 880 RPM, 16”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 5207Retrieved 2026-10-04 |
| 4748 CFM | 8066.9 m3/h | Frequency not stated · model 880 RPM, 20”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 4748Retrieved 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 |