Grain aerator / Grain ventilator/ Ventilation lance, Zaporizhzhya region.

Grain aerators are intended for eliminating hot spots in the grain and active ventilation of the grain pile and oil crops on open streams,warehouses.
Allow:
• dry, reduce the temperature in the grain;
• eliminate foci of self-heating in grain;
•protects grain from the formation of mold, fungi and other microorganisms;
• ventilate more than 25 cubic meters of grain with one aerator.
The total length is 3 m (we make any length to order)
The length of the perforated part is 1.5 m.
The length of the tip is 0.25m(//tractor-service.com)
Total weight with the fan is 42 kg.
The diameter of the perforation is 1.5 mm.
Engine power 2.2 kW
Number of engine revolutions 3000 rpm
Air productivity 2950m3/hour.
Operating voltage three phases 380V/one phase 220V Single-phase version is possible.
The entire product is painted with powder paint.
The fan is additionally equipped with a protective net for the suction hole, a "start-stop" button and a three-phase outlet with a plug.
The aerator is equipped with an adjustable handle and a reinforced all-metal cone with a length of 250 mm for more convenient screwing into the embankment.
For better air circulation, aerators should be used in pairs - one in extraction mode, the other in injection mode.