Vacuum pump

Busch RA 0305 D

Technical data:

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Product number: RA 0305 D
Year of manufacture: 2008
Motor power: 7.5 kW
Capacity: 300 m³/h
Max vacuum: 0.4 mbar
Noise level: 74 dB
Rotational speed: 1,500 rpm
Weight: 250 kg
Dimensions [H x L x W]: 1011 x 581 x 410 mm

The pump achieves a vacuum of 0.4 mbar, as confirmed by the measurement on the sensor shown in the video below.

The reading 4.3 -1 on the sensor display indicates a vacuum of 4.3 × 10⁻¹, which equals 0.43 mbar.

After a complete overhaul

The pump is in perfect condition.

New oil
New oil filter
New exhaust separators

Oil-lubricated vacuum pump, suction pump – a device used in engineering applications for extracting gases (creating negative pressure) in a sealed space. Pumps are categorized by their operating principle: positive displacement, jet, ion-sorption, ion-magnetic, molecular, condensation, adsorption, and ionic.

The most important parameters of vacuum pumps are:
• Final pressure (the lowest pressure attainable with the pump)
• Pumping speed and the dependence of this speed on pressure
• Throughput (typically measured in m³ of extracted gas per unit of time)

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