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RPA AquaSilent - GEA Farm Technologies

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pump cover<br />

intake port<br />

discharge port<br />

water ring<br />

impellor<br />

That’s what it looks like on the inside:<br />

A bucket wheel impellor rotates in water around the<br />

motor shaft – in the process the water is pressed<br />

outwards against the pump housing. The resulting<br />

cavities between the water and the impellor create a<br />

low air pressure which produces the vacuum required.<br />

The water serves as a sealant and coolant at the same<br />

time. A separator separates the water-air mixture and<br />

the fluid flows back into the feeder tank.<br />

Technical data<br />

Type <strong>RPA</strong> 21 <strong>RPA</strong> 40 <strong>RPA</strong> 41 <strong>RPA</strong> 70<br />

Air flow rate at 40 °C<br />

Driving water temperature<br />

l/min. al<br />

850 1350 1800 2400<br />

Vacuum control valve<br />

Vacurex<br />

Commander<br />

Commander<br />

Commander<br />

The right choice. | 3

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