Data coverage & sources
The stored record for Edwards Stokes 622: specifications, configurations, documents, sources, and gaps.
One model, connected records
Edwards → Stokes 6" Mechanical Booster Pumps → Stokes 622
Manufacturer model: Stokes 622 · OEM article / order number: Not collected · Equipment type: booster
Technology: Roots / Booster
Related applications: Leak Testing, Process Vacuum
Related industries: Automotive, Chemical, Metalworking, Oil + Gas, Power Generation, Semiconductor
These are technology associations. Check the operating point and process requirements to establish suitability for this model.
Compare coverage across this familySpecifications and evidence
6 stored observations · 5 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.
Pumping speed · Sourced · 2 observations / 1 sources
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 5100 m³/h | 5100 m3/h | Frequency not stated · model 2750 rpm unspecified | Source · OEM_SOURCENominal displacement: 5100Retrieved 2026-10-04 |
| 6630 m³/h | 6630 m3/h | Frequency not stated · model 3600 rpm unspecified | Source · OEM_SOURCENominal displacement: 6630Retrieved 2026-10-04 |
Ultimate pressure · Not collected · 0 observations / 0 sources
No stored observation. A family brochure or a separate maximum rating does not fill this field.
Motor power · Sourced · 2 observations / 1 sources
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 · Sourced · 1 observations / 1 sources
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| <82 dB(A) | 82 dB(A) | Frequency not stated · model Conditions not stated unspecified | Source · OEM_SOURCENoise level: <82Retrieved 2026-10-04 |
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. vacuum · Sourced · 1 observations / 1 sources
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 333 mbar | 333 mbar | Frequency not stated · model as printed: "Max pressure differential"; 250 Torr unspecified | Source · OEM_SOURCE622 | n/a | n/a | 5100 | 3000 | 5525 | 2350 | 6630 | 3900 | 333 | 250 | <82Retrieved 2026-10-20 |
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 |