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COBRA DS 3181 A

Dry Screw Vacuum Pump

High performance
Advanced screw design, excellent running qualities, integrated vacuum booster, perfectly suited for chemical vapor deposition, rapid thermal processing or atomic layer deposition
Efficient
Low cost of ownership, minimal maintenance, long service intervals, high uptime, efficient indirect water cooling
Compact
Fit-in-place design, directly mounted canned motor, backing pump and vacuum booster combined on a compact base frame

Technical Specifications

Dimensional drawing COBRA DS 3181 A
COBRA DS 3181 A
Pumping speed

Air at 20 °C. Tolerance: ± 10%

50 Hz 60 Hz
Pumping speed
Technical data COBRA DS 3181 A
Nominal pumping speed 3500 m³/h
Ultimate pressure 0.001 hPa (mbar)
Nominal motor rating backing pump 18.5 kW
Nominal motor rating vacuum booster 15 kW
Nominal motor speed backing pump 4320 min-1
Nominal motor speed vacuum booster 5400 min-1
Power consumption at ultimate pressure / Idle mode 12.4 kW
Noise level (ISO 2151) <75 dB(A)
Water consumption min. 10 l/min
Nitrogen consumption 0 - 200 l/min
Weight approx. 1390 kg
Dimensions (L x W x H) 1654 x 722 x 1525 mm
Gas inlet / outlet DN 160 / DN 63
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COBRA DS 3181 A

Dry Screw Vacuum Pump

High performance
Advanced screw design, excellent running qualities, integrated vacuum booster, perfectly suited for chemical vapor deposition, rapid thermal processing or atomic layer deposition
Efficient
Low cost of ownership, minimal maintenance, long service intervals, high uptime, efficient indirect water cooling
Compact
Fit-in-place design, directly mounted canned motor, backing pump and vacuum booster combined on a compact base frame

Technical Specifications

Dimensional drawing
COBRA DS 3181 A
COBRA DS 3181 A
Pumping speed

Air at 20 °C. Tolerance: ± 10%

50 Hz
60 Hz
Pumping speed
Technical data COBRA DS 3181 A
Nominal pumping speed 3500 m³/h
Ultimate pressure 0.001 hPa (mbar)
Nominal motor rating backing pump 18.5 kW
Nominal motor rating vacuum booster 15 kW
Nominal motor speed backing pump 4320 min-1
Nominal motor speed vacuum booster 5400 min-1
Power consumption at ultimate pressure / Idle mode 12.4 kW
Noise level (ISO 2151) <75 dB(A)
Water consumption min. 10 l/min
Nitrogen consumption 0 - 200 l/min
Weight approx. 1390 kg
Dimensions (L x W x H) 1654 x 722 x 1525 mm
Gas inlet / outlet DN 160 / DN 63

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