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Less energy is required by these blowers
The ZS screw blowers are available in the power range from 18.5 to 315 kW, with and without speed control. The variable-speed machines match their flow directly to the actual air-demand of the clarifier, depending on current biological requirements. This reduces energy consumption considerably; the energy requirement for the ZS blower is about one third that of conventional positive-displacement blowers, says the company. At IFAT, the company is showing the ZS 75, which produces certified oil-free air to Class 0, according to ISO 8573-1 with flowrates from 800 to 11,000 m3/h. Hall A3, Stand 343 — Atlas Copco Kompressoren und Drucklufttechnik GmbH, Essen, Germany
Gerald Ondrey
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