===under info was translated buy computer===
Vacuum pump head, without motor.  low suction pressure: two stage design, especially suitable for low suction pressure.  stable operation, low noise, no metal contact with rotating parts, almost no vibration; Noise below 80dB(A) at suction pressure of 80mbar.  durable and reliable: stainless steel impeller ensure low maintenance, reliable running. Optional:  materials are cast iron, stainless steel variety of optional materials, basically can handle all the gases.  standard mechanical seal: basically eliminate leakage, reduce the maintenance of the equipment. Double-end machine seal can be provided according to customer's requirement.  standard cavitation protection interface: the pump can be equipped with gas pipeline corrosion protection, protection of pump cavitation during low suction pressure on.  one-piece sewage: the pump can be equipped with fittings, to ensure that under the condition of running continuously discharge polluted working liquid.  with motor base design: the motor can be selected according to the requirements of customers (50 Hz, 60 Hz and the Ex explosion-proof electric motor, etc.).  environmental protection: working chamber without lubrication, so absolutely no oil, no pollution, environmental protection; Stringent health and safety standards.  low life-cycle cost: - superior performance, high efficiency and energy saving; - ABsys liquid ring vacuum pump is fully equipped with stainless steel impeller; Ensure low maintenance and long downtime maintenance cycle; - Suitable for gas-liquid separator or closed circulation working liquid system; Reduce the consumption of working water. - Equipped with machine seal external flushing structure, which can guarantee the service life of machine seal under bad working conditions.
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