Equipment coverage/Busch COBRA DS 3181 C

Data coverage & sources

The stored record for Busch COBRA DS 3181 C: specifications, configurations, documents, sources, and gaps.

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One model, connected records

Busch → COBRA DS 3181 C → COBRA DS 3181 C

Manufacturer model: COBRA DS 3181 C · OEM article / order number: Not collected · Equipment type: vacuum pump

Technology: Dry Screw

Related applications: Degassing, Drying, Process Vacuum
Related industries: Chemical, Oil + Gas, Pharmaceutical, Semiconductor

These are technology associations. Check the operating point and process requirements to establish suitability for this model.

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Specifications and evidence

43 stored observations · 24 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 · 3 observations / 1 sources

As published	Normalized	Configuration / scope	Source / status
3500 m³/h m³/h	3500 m3/h	50 Hz · model ISO 50 Hz unspecified	Source · OEM_VERIFIED different frequency Nominal pumping speed: 3500 m³/h Retrieved 2026-10-01
3500 m³/h m³/h	3500 m3/h	60 Hz · model ISO 60 Hz unspecified	Source · OEM_VERIFIED Nominal pumping speed: 3500 m³/h Retrieved 2026-10-01
2059.8 ACFM ACFM	3499.621 m3/h	60 Hz · model US 60 Hz actual inlet	Source · OEM_VERIFIED Nominal pumping speed: 2059.8 ACFM Retrieved 2026-10-01

Ultimate pressure · Sourced · 3 observations / 1 sources

As published	Normalized	Configuration / scope	Source / status
0.001 hPa (mbar) hPa (mbar)	0.001 mbar	50 Hz · model ISO 50 Hz unspecified	Source · OEM_VERIFIED different frequency Ultimate pressure: 0.001 hPa (mbar) Retrieved 2026-10-01
0.001 hPa (mbar) hPa (mbar)	0.001 mbar	60 Hz · model ISO 60 Hz unspecified	Source · OEM_VERIFIED Ultimate pressure: 0.001 hPa (mbar) Retrieved 2026-10-01
0.00075 Torr Torr	0.001 mbar	60 Hz · model US 60 Hz unspecified	Source · OEM_VERIFIED Ultimate pressure: 0.00075 Torr Retrieved 2026-10-01

Motor power · Sourced · 6 observations / 1 sources

As published	Normalized	Configuration / scope	Source / status
18.5 kW kW	18.5 kW	50 Hz · model ISO 50 Hz; backing pump unspecified	Source · OEM_VERIFIED different frequency Nominal motor rating backing pump: 18.5 kW Retrieved 2026-10-01
15.0 kW kW	15 kW	50 Hz · model ISO 50 Hz; vacuum booster unspecified	Source · OEM_VERIFIED different frequency Nominal motor rating vacuum booster: 15.0 kW Retrieved 2026-10-01
18.5 kW kW	18.5 kW	60 Hz · model ISO 60 Hz; backing pump unspecified	Source · OEM_VERIFIED Nominal motor rating backing pump: 18.5 kW Retrieved 2026-10-01
15.0 kW kW	15 kW	60 Hz · model ISO 60 Hz; vacuum booster unspecified	Source · OEM_VERIFIED Nominal motor rating vacuum booster: 15.0 kW Retrieved 2026-10-01
24.8 hp hp	18.4934 kW	60 Hz · model US 60 Hz; backing pump unspecified	Source · OEM_VERIFIED Nominal motor rating backing pump: 24.8 hp Retrieved 2026-10-01
20.1 hp hp	14.9886 kW	60 Hz · model US 60 Hz; vacuum booster unspecified	Source · OEM_VERIFIED Nominal motor rating vacuum booster: 20.1 hp Retrieved 2026-10-01

Speed · Sourced · 6 observations / 1 sources

As published	Normalized	Configuration / scope	Source / status
4220 min⁻¹ min⁻¹	4220 rpm	50 Hz · model ISO 50 Hz; backing pump unspecified	Source · OEM_SOURCE different frequency Nominal motor speed backing pump: 4220 min⁻¹ Retrieved 2026-10-01
5400 min⁻¹ min⁻¹	5400 rpm	50 Hz · model ISO 50 Hz; vacuum booster unspecified	Source · OEM_VERIFIED different frequency Nominal motor speed vacuum booster: 5400 min⁻¹ Retrieved 2026-10-01
4220 min⁻¹ min⁻¹	4220 rpm	60 Hz · model ISO 60 Hz; backing pump unspecified	Source · OEM_SOURCE Nominal motor speed backing pump: 4220 min⁻¹ Retrieved 2026-10-01
5400 min⁻¹ min⁻¹	5400 rpm	60 Hz · model ISO 60 Hz; vacuum booster unspecified	Source · OEM_VERIFIED Nominal motor speed vacuum booster: 5400 min⁻¹ Retrieved 2026-10-01
4220 rpm rpm	4220 rpm	60 Hz · model US 60 Hz; backing pump unspecified	Source · OEM_VERIFIED Nominal motor speed backing pump: 4220 rpm Retrieved 2026-10-01
5400 rpm rpm	5400 rpm	60 Hz · model US 60 Hz; vacuum booster unspecified	Source · OEM_VERIFIED Nominal motor speed vacuum booster: 5400 rpm Retrieved 2026-10-01

Noise level · Sourced · 3 observations / 1 sources

As published	Normalized	Configuration / scope	Source / status
< 75 dB(A) dB(A)	75 dB(A)	50 Hz · model ISO 50 Hz; (ISO 2151), KpA = 3 dB unspecified	Source · OEM_VERIFIED different frequency Sound pressure level (ISO 2151), KpA = 3 dB: < 75 dB(A) Retrieved 2026-10-01
< 75 dB(A) dB(A)	75 dB(A)	60 Hz · model ISO 60 Hz; (ISO 2151), KpA = 3 dB unspecified	Source · OEM_VERIFIED Sound pressure level (ISO 2151), KpA = 3 dB: < 75 dB(A) Retrieved 2026-10-01
< 75 dB(A) dB(A)	75 dB(A)	60 Hz · model US 60 Hz; (ISO 2151), KpA = 3 dB unspecified	Source · OEM_VERIFIED Sound pressure level (ISO 2151), KpA = 3 dB: < 75 dB(A) Retrieved 2026-10-01

Weight · Sourced · 3 observations / 1 sources

As published	Normalized	Configuration / scope	Source / status
1500 kg kg	1500 kg	50 Hz · model ISO 50 Hz; approx. unspecified	Source · OEM_VERIFIED different frequency Weight approx.: 1500 kg Retrieved 2026-10-01
1500 kg kg	1500 kg	60 Hz · model ISO 60 Hz; approx. unspecified	Source · OEM_VERIFIED Weight approx.: 1500 kg Retrieved 2026-10-01
3058 Lbs. Lbs.	1387.084 kg	60 Hz · model US 60 Hz; approx. unspecified	Source · OEM_VERIFIED Weight approx.: 3058 Lbs. Retrieved 2026-10-01

Dimensions · Sourced · 3 observations / 1 sources

As published	Normalized	Configuration / scope	Source / status
1654 x 722 x 1452 mm mm	—	50 Hz · model ISO 50 Hz; (L x W x H) unspecified	Source · OEM_SOURCE different frequency Dimensions (L x W x H): 1654 x 722 x 1452 mm Retrieved 2026-10-01
1654 x 722 x 1452 mm mm	—	60 Hz · model ISO 60 Hz; (L x W x H) unspecified	Source · OEM_SOURCE Dimensions (L x W x H): 1654 x 722 x 1452 mm Retrieved 2026-10-01
65.1 x 28.4 x 60 inches inches	—	60 Hz · model US 60 Hz; (L x W x H) unspecified	Source · OEM_SOURCE Dimensions (L x W x H): 65.1 x 28.4 x 60 inches Retrieved 2026-10-01

Inlet connection · Sourced · 3 observations / 1 sources

As published	Normalized	Configuration / scope	Source / status
DN 160	—	50 Hz · model ISO 50 Hz unspecified	Source · OEM_SOURCE different frequency Gas inlet: DN 160 Retrieved 2026-10-01
DN 160	—	60 Hz · model ISO 60 Hz unspecified	Source · OEM_SOURCE Gas inlet: DN 160 Retrieved 2026-10-01
DN 160	—	60 Hz · model US 60 Hz unspecified	Source · OEM_SOURCE Gas inlet: DN 160 Retrieved 2026-10-01

Outlet connection · Sourced · 3 observations / 1 sources

As published	Normalized	Configuration / scope	Source / status
DN 63	—	50 Hz · model ISO 50 Hz unspecified	Source · OEM_SOURCE different frequency Gas outlet: DN 63 Retrieved 2026-10-01
DN 63	—	60 Hz · model ISO 60 Hz unspecified	Source · OEM_SOURCE Gas outlet: DN 63 Retrieved 2026-10-01
DN 63	—	60 Hz · model US 60 Hz unspecified	Source · OEM_SOURCE Gas outlet: DN 63 Retrieved 2026-10-01

Nitrogen Consumption · Needs review · 3 observations / 1 sources · classification pending

As published	Configuration / scope	Source / status
0 – 200 l/min l/min	50 Hz · range ISO 50 Hz unspecified	Source · OEM_VERIFIED not a model rating, different frequency Nitrogen consumption: 0 – 200 l/min Retrieved 2026-10-01
0 – 200 l/min l/min	60 Hz · range ISO 60 Hz unspecified	Source · OEM_VERIFIED not a model rating Nitrogen consumption: 0 – 200 l/min Retrieved 2026-10-01
0 – 200 l/min l/min	60 Hz · range US 60 Hz unspecified	Source · OEM_VERIFIED not a model rating Nitrogen consumption: 0 – 200 l/min Retrieved 2026-10-01

Power consumption · Sourced · 4 observations / 1 sources

As published	Normalized	Configuration / scope	Source / status
12.4 kW kW	12.4 kW	50 Hz · model ISO 50 Hz; at ultimate pressure unspecified	Source · OEM_SOURCE different frequency Power consumption at ultimate pressure: 12.4 kW Retrieved 2026-10-01
10.3 kW kW	10.3 kW	50 Hz · model ISO 50 Hz; idle mode unspecified	Source · OEM_VERIFIED different frequency Power consumption idle mode: 10.3 kW Retrieved 2026-10-01
12.4 kW kW	12.4 kW	60 Hz · model ISO 60 Hz; at ultimate pressure unspecified	Source · OEM_SOURCE Power consumption at ultimate pressure: 12.4 kW Retrieved 2026-10-01
10.3 kW kW	10.3 kW	60 Hz · model ISO 60 Hz; idle mode unspecified	Source · OEM_VERIFIED Power consumption idle mode: 10.3 kW Retrieved 2026-10-01

Water Consumption · Needs review · 3 observations / 1 sources · classification pending

As published	Normalized	Configuration / scope	Source / status
min. 10 l/min l/min	0.6 m3/h	50 Hz · model ISO 50 Hz unspecified	Source · OEM_VERIFIED different frequency Water consumption: min. 10 l/min Retrieved 2026-10-01
min. 10 l/min l/min	0.6 m3/h	60 Hz · model ISO 60 Hz unspecified	Source · OEM_VERIFIED Water consumption: min. 10 l/min Retrieved 2026-10-01
min. 10 l/min l/min	0.6 m3/h	60 Hz · model US 60 Hz unspecified	Source · OEM_VERIFIED Water consumption: min. 10 l/min Retrieved 2026-10-01

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	Public sources
Specifications	2	Product leaflet COBRA DS 3181 C International EN datasheet · 2 pages Product leaflet COBRA DS 3181 C US datasheet · 2 pages
Performance curves / test data	0	Not collected
Operation / service manuals	2	Instruction manual COBRA DS 3181 C EN manual · 68 pages Instruction manual COBRA DS 3181 C EN manual · 72 pages
Parts documentation	0	Not collected
Drawings / dimensions	0	Not collected
Product / family literature	0	Not collected
Other / unclassified	0	Not collected