Data coverage & sources
The stored record for Roots DVJ 1220J: specifications, configurations, documents, sources, and gaps.
One model, connected records
Roots → Roots DVJ Whispair exhauster performance data → DVJ 1220J
Manufacturer model: DVJ 1220J · 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
24 stored observations · 23 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 · 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 · 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 |
|---|---|---|---|
| 3650 lbs | 1655.611 kg | Frequency not stated · model as printed: "Wgt." unspecified | Source · OEM_SOURCE12 FLG 3650Retrieved 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 |
|---|---|---|---|
| 5910 CFM | 10041.15 m3/h | Frequency not stated · model Conditions not stated unspecified | Source · OEM_SOURCEMax. free air: 5910Retrieved 2026-10-04 |
Brake power (vacuum service) · Sourced · 12 observations / 1 sources
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 208 BHP | 155.1056 kW | Frequency not stated · model 1500 RPM, 16”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 208Retrieved 2026-10-04 |
| 257 BHP | 191.6449 kW | Frequency not stated · model 1500 RPM, 20”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 257Retrieved 2026-10-04 |
| 305 BHP | 227.4385 kW | Frequency not stated · model 1500 RPM, 24”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 305Retrieved 2026-10-04 |
| 342 BHP | 255.0294 kW | Frequency not stated · model 1500 RPM, 27”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 342Retrieved 2026-10-04 |
| 161 BHP | 120.0577 kW | Frequency not stated · model 1170 RPM, 16”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 161Retrieved 2026-10-04 |
| 199 BHP | 148.3943 kW | Frequency not stated · model 1170 RPM, 20”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 199Retrieved 2026-10-04 |
| 237 BHP | 176.7309 kW | Frequency not stated · model 1170 RPM, 24”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 237Retrieved 2026-10-04 |
| 266 BHP | 198.3562 kW | Frequency not stated · model 1170 RPM, 27”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 266Retrieved 2026-10-04 |
| 120 BHP | 89.484 kW | Frequency not stated · model 880 RPM, 16”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 120Retrieved 2026-10-04 |
| 149 BHP | 111.1093 kW | Frequency not stated · model 880 RPM, 20”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 149Retrieved 2026-10-04 |
| 178 BHP | 132.7346 kW | Frequency not stated · model 880 RPM, 24”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 178Retrieved 2026-10-04 |
| 200 BHP | 149.14 kW | Frequency not stated · model 880 RPM, 27”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service brake horsepower: 200Retrieved 2026-10-04 |
Inlet flow (vacuum service) · Sourced · 10 observations / 1 sources
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 5070 CFM | 8613.981 m3/h | Frequency not stated · model 1500 RPM, 16”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 5070Retrieved 2026-10-04 |
| 4800 CFM | 8155.248 m3/h | Frequency not stated · model 1500 RPM, 20”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 4800Retrieved 2026-10-04 |
| 4274 CFM | 7261.569 m3/h | Frequency not stated · model 1500 RPM, 24”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 4274Retrieved 2026-10-04 |
| 2964 CFM | 5035.866 m3/h | Frequency not stated · model 1500 RPM, 27”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 2964Retrieved 2026-10-04 |
| 3770 CFM | 6405.268 m3/h | Frequency not stated · model 1170 RPM, 16”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 3770Retrieved 2026-10-04 |
| 3500 CFM | 5946.535 m3/h | Frequency not stated · model 1170 RPM, 20”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 3500Retrieved 2026-10-04 |
| 2974 CFM | 5052.856 m3/h | Frequency not stated · model 1170 RPM, 24”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 2974Retrieved 2026-10-04 |
| 2627 CFM | 4463.299 m3/h | Frequency not stated · model 880 RPM, 16”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 2627Retrieved 2026-10-04 |
| 2356 CFM | 4002.868 m3/h | Frequency not stated · model 880 RPM, 20”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 2356Retrieved 2026-10-04 |
| 1831 CFM | 3110.887 m3/h | Frequency not stated · model 880 RPM, 24”HgV vacuum unspecified | Source · OEM_SOURCEVacuum service inlet flow: 1831Retrieved 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 |