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New Turbopumps

High Compression Especially for Light Gases

| Editor: Dr. Jörg Kempf

The new HiPace 700 H turbopump: Due to the high compression ratio, a low residual gas spectrum, which is desirable for certain mass spectrometry applications, is created in the chamber.
The new HiPace 700 H turbopump: Due to the high compression ratio, a low residual gas spectrum, which is desirable for certain mass spectrometry applications, is created in the chamber. (Source: Pfeiffer Vacuum)

Pfeiffer Vacuum is presenting extremely high compression models with its new HiPace 700 H turbopumps. With a compression ratio of ≥2·107 for hydrogen, they are suitable for generating high and ultra high vacuum.

Due to their advanced rotor designs, HiPace 700 H turbopumps have an exceptionally high critical backing pressure capability of 22 hPa. This allows the pumps to reach ultra high vacuum, even when operating with high backing pressures that occur in combination with diaphragm pumps.

According to Pfeiffer Vacuum, in terms of energy efficiency as well, this product is far ahead. Due to the integrated ‘intermittent mode’ function, the HiPace H switches a connected backing pump on only if the backing pressure is no longer sufficient. This reduces the energy consumption of the entire vacuum system by up to 90 percent.

Due to the hybrid bearing, combining a ceramic ball bearing on the fore-vacuum side with a permanent-magnet radial bearing, these turbopumps are equipped with a particularly robust bearing concept. As a result, they have a long service life with a service interval of more than four years.

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