Diaphragm pumps dominate the field of rough vacuum (down to 1 mbar) in modern industry and science. Their construction is quite simple and therefore warrants great reliability. Diaphragm pumps are oil-free, maintenance free, have a low noise level and a long lifetime. Up to now, problems occurred in generating lower vacuum pressure. With a completely new tangential diaphragm insertion as well as with improvements of the gas flow, and the form and position of the valves, the of a Puchheim pump company now solved this problem: The tangential diaphragm pumps reach an ultimate pressure of 20 mbar (single-stage) and less than 1 mbar (double-stage). A pump head provides a pumping speed of 36 l/min at atmospheric pressure.
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机译：隔膜泵在现代工业和科学领域中主导着低真空（低至1 mbar）领域。它们的结构非常简单，因此具有很高的可靠性。隔膜泵无油，免维护，噪音低，使用寿命长。迄今为止，在产生较低的真空压力方面出现了问题。随着全新的切向隔膜泵的插入以及气流的改善以及阀门的形状和位置的变化，Puchheim泵公司的解决了这个问题：切向隔膜泵的极限压力达到20 mbar（单-级），且小于1 mbar（双级）。泵头在大气压下的抽速为36 l / min。
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