Data coverage & sources
The stored record for Edwards GMB25K: specifications, configurations, documents, sources, and gaps.
One model, connected records
Edwards → GMB High Capacity Roots Vacuum Booster Pumps → GMB25K
Manufacturer model: GMB25K · 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
22 stored observations · 9 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.
Pumping speed · Sourced · 1 observations / 1 sources
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 25500 m3/hr | 25500 m3/h | Frequency not stated · model (swept volume) at 3,960 rpm unspecified | Source · OEM_SOURCEDisplacement (swept volume) at 3,960 rpm: 25500Retrieved 2026-10-02 |
Ultimate pressure · Sourced · 1 observations / 1 sources
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| <0.01 mbar | 0.01 mbar | Frequency not stated · model Conditions not stated unspecified | Source · OEM_SOURCEUltimate pressure: <0.01Retrieved 2026-10-02 |
Motor power · Sourced · 1 observations / 1 sources
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| IEC ‒ 30 kW | — | Frequency not stated · model Conditions not stated unspecified | Source · OEM_SOURCEMotor power: IEC ‒ 30Retrieved 2026-10-02 |
Speed · Conflicting values · 2 observations / 1 sources
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 540 rpm | 540 rpm | Frequency not stated · model Conditions not stated unspecified | Source · OEM_SOURCERotational speed: 540Retrieved 2026-10-02 |
| 3960 rpm | 3960 rpm | Frequency not stated · model Conditions not stated unspecified | Source · OEM_SOURCERotational speed: 3960Retrieved 2026-10-02 |
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 |
|---|---|---|---|
| 1400 kg | 1400 kg | Frequency not stated · model (without motor) unspecified | Source · OEM_SOURCEWeight (without motor): 1400Retrieved 2026-10-02 |
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.
Ambient T · Needs review · 1 observations / 1 sources · classification pending
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| -20 ‒ 40 ‒ 40 °C | — | Frequency not stated · model Conditions not stated unspecified | Source · OEM_SOURCEAmbient T: -20 ‒ 40Retrieved 2026-10-02 |
Connection Flanges · Needs review · 2 observations / 1 sources · classification pending
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| DN350 PN6 Inlet | — | Frequency not stated · model Conditions not stated unspecified | Source · OEM_SOURCEConnection flanges: DN350 PN6Retrieved 2026-10-02 |
| ISO250 Outlet | — | Frequency not stated · model Conditions not stated unspecified | Source · OEM_SOURCEConnection flanges: ISO250Retrieved 2026-10-02 |
Lubricant Quantity · Needs review · 1 observations / 1 sources · classification pending
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 7 litres | 7 l | Frequency not stated · model Conditions not stated unspecified | Source · OEM_SOURCELubricant quantity: 7Retrieved 2026-10-02 |
Max. pressure · Sourced · 1 observations / 1 sources
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 30 mbar | 30 mbar | Frequency not stated · model across booster unspecified | Source · OEM_SOURCEMaximum pressure across booster: 30Retrieved 2026-10-02 |
Minimum Backing Capacity · Needs review · 1 observations / 1 sources · classification pending
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 4500 m3/hr | 4500 m3/h | Frequency not stated · model Conditions not stated unspecified | Source · OEM_SOURCEMinimum backing capacity: 4500Retrieved 2026-10-02 |
Minimum Cooling Water Flow Max Temp · Needs review · 1 observations / 1 sources · classification pending
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 10 litres min -1 | — | Frequency not stated · model Conditions not stated unspecified | Source · OEM_SOURCEMinimum cooling water flow (@max. temp.): 10Retrieved 2026-10-02 |
Minimum Cooling Water Pressure Drop · Needs review · 1 observations / 1 sources · classification pending
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 1 bar | 1000 mbar | Frequency not stated · model Conditions not stated unspecified | Source · OEM_SOURCEMinimum cooling water pressure drop: 1Retrieved 2026-10-02 |
Purge Gas Flow Minimum · Needs review · 1 observations / 1 sources · classification pending
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 4 slm | — | Frequency not stated · model Conditions not stated unspecified | Source · OEM_SOURCEPurge gas flow (minimum): 4Retrieved 2026-10-02 |
Purge Gas Pressure · Needs review · 1 observations / 1 sources · classification pending
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 0.3 ‒ 0.5 ‒ 0.5 bar | — | Frequency not stated · model Conditions not stated unspecified | Source · OEM_SOURCEPurge gas pressure: 0.3 ‒ 0.5Retrieved 2026-10-02 |
Recommended Lubrication Type · Needs review · 1 observations / 1 sources · classification pending
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| Ultragrade 150 Synthetic booster gear oil | — | Frequency not stated · model Conditions not stated unspecified | Source · OEM_SOURCERecommended lubrication type: Ultragrade 150Retrieved 2026-10-02 |
Seal Purge Connection Suitable For · Needs review · 1 observations / 1 sources · classification pending
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 1/4” outside diameter rigid tube /4” outside diameter rigid tube | — | Frequency not stated · model Conditions not stated unspecified | Source · OEM_SOURCESeal purge connection, suitable for: 1/4” outside diameter rigid tubeRetrieved 2026-10-02 |
Service liquid flow · Sourced · 2 observations / 1 sources
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| R1/2" female | — | Frequency not stated · model connections unspecified | Source · OEM_SOURCECooling water connections: R1/2" femaleRetrieved 2026-10-02 |
| 5 ‒ 40 ‒ 40 °C | — | Frequency not stated · model temperature unspecified | Source · OEM_SOURCECooling water temperature: 5 ‒ 40Retrieved 2026-10-02 |
Total Input Power At Ultimate · Needs review · 1 observations / 1 sources · classification pending
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 3.6 kW | 3.6 kW | Frequency not stated · model Conditions not stated unspecified | Source · OEM_SOURCETotal input power at ultimate: 3.6Retrieved 2026-10-02 |
Vibration · Needs review · 1 observations / 1 sources · classification pending
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| <4 mm s -1 | — | Frequency not stated · model Conditions not stated unspecified | Source · OEM_SOURCEVibration: <4Retrieved 2026-10-02 |
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 | 0 | 0 | Not collected |
| 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 | 1 | 0 |
|
| Other / unclassified | 0 | 0 | Not collected |