Dvuhrotor vacuum unit AVD-150/63 is designed for pumping out of hermetic vessels with pressure of more than 106,7 kPa (800 mm Hg.) air, non-aggressive to the working fluid and construction materials, fire-explosion-proof and non-toxic gases, vapours and vapour-gas mixtures, cleaned from dripping moisture and mechanical contaminants, with oxygen content not more than in air (21% by volume) under normal conditions, from atmospheric pressure to residual pressure limit. Also the twin-rotor vacuum unit AVD-150/63 can be used as a pre-deflation unit for high-vacuum pumps. Type of climatic execution UHL4, the unit is not intended for operation in fire-explosive production facilities.
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