Busch · COBRA DS 3181 C
COBRA DS 3181 C
*Photo shows the COBRA series, not this exact model. Image: Busch
- Pumping speed
- 3,500 m³/h
- Ultimate pressure
- 0.001 mbar
- Motor power
- 18.5 kW
- Noise level
- 75 dB(A)
Headline ratings converted to common units for comparison; the table below shows each figure exactly as published.
Technical data
Source: Busch product page · retrieved 2026-10-01| As published | ISO 50 Hz | ISO 50 Hz; backing pump | ISO 50 Hz; vacuum booster | ISO 50 Hz; at ultimate pressure | ISO 50 Hz; idle mode | ISO 50 Hz; (ISO 2151), KpA = 3 dB | ISO 50 Hz; approx. | ISO 50 Hz; (L x W x H) | ISO 60 Hz | ISO 60 Hz; backing pump | ISO 60 Hz; vacuum booster | ISO 60 Hz; at ultimate pressure | ISO 60 Hz; idle mode | ISO 60 Hz; (ISO 2151), KpA = 3 dB | ISO 60 Hz; approx. | ISO 60 Hz; (L x W x H) | US 60 Hz | US 60 Hz; backing pump | US 60 Hz; vacuum booster | US 60 Hz; (ISO 2151), KpA = 3 dB | US 60 Hz; approx. | US 60 Hz; (L x W x H) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nominal pumping speed Pumping speed | ||||||||||||||||||||||
| Ultimate pressure | ||||||||||||||||||||||
| Nominal motor rating backing pump Motor power | ||||||||||||||||||||||
| Nominal motor rating vacuum booster Motor power | ||||||||||||||||||||||
| Power consumption at ultimate pressure Power consumption | ||||||||||||||||||||||
| Power consumption idle mode Power consumption | ||||||||||||||||||||||
| Nominal motor speed backing pump Speed | ||||||||||||||||||||||
| Nominal motor speed vacuum booster Speed | ||||||||||||||||||||||
| Sound pressure level (ISO 2151), KpA = 3 dB Noise level | ||||||||||||||||||||||
| Water consumption | ||||||||||||||||||||||
| Nitrogen consumption | ||||||||||||||||||||||
| Weight approx. Weight | ||||||||||||||||||||||
| Dimensions (L x W x H) Dimensions | ||||||||||||||||||||||
| Gas inlet Inlet connection | ||||||||||||||||||||||
| Gas outlet Outlet connection |
Original extracted values are shown with their source and review status. Multiple values under the same condition remain separate for review.
R a min–max range as published, not a single rating
Reviewed operating performance · 60 Hz
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Documents
- Product leaflet COBRA DS 3181 C International ENdatasheet · 2 pp
- Product leaflet COBRA DS 3181 C USdatasheet · 2 pp
- Instruction manual COBRA DS 3181 C ENmanual · 68 pp
- Instruction manual COBRA DS 3181 C ENmanual · 72 pp
- Pumping speed curveISO
- Dimensional drawingISO
Documents open on the manufacturer’s site.
Service parts · 5
Lubrication1
Part numbers from Busch’s parts lists, shop and instruction manuals. Open a part for its other models, replacements and suppliers.
Not on file yet
- MissingBusch's parts drawing (exploded view) for the COBRA DS 3181 C
We don’t have these from Busch yet. A specialist can still help you find the right part for the COBRA DS 3181 C.