Fully Automatic Pressure Control with Integrated Sensor

Scroll Pumps Fully Automatic Pressure Control with Integrated Sensor

2023-02-22 Source: Press release Pfeiffer Vacuum 1 min Reading Time

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The Hiscroll series from Pfeiffer Vacuum consists of three dry and hermetically sealed scroll pumps with a nominal pumping speed of 6 – 20 m³/h. These vacuum pumps are characterized not only by their high performance when evacuating against atmosphere but also by their high energy efficiency that reduces their carbon footprint, the company states.

Pfeiffer Vacuum scroll pumps from the Hiscroll series(Source: Pfeiffer Vacuum) — Pfeiffer Vacuum scroll pumps from the Hiscroll series
(Source: Pfeiffer Vacuum)

The intelligent new accessory interface Accesslink permits the use of a wide range of optional accessories. Its presence is automatically detected by the Hiscroll’s electronics. Before this, accessories had to be configured by hand.

A new gas ballast valve detects the specific process requirements automatically. The valve is controlled by the vacuum pump, either according to a specific time interval or depending on the inlet pressure, in conjunction with an additional accessory, the Hiscroll integrated sensor RPT 010. The automatic gas ballast valve can also be switched manually by a higher-level controller connected to the Hiscroll or by the Pfeiffer Vacuum Omnicontrol.

The operating reliability is enhanced by the new vacuum safety valves. These valves prevent a pressure rise at the vacuum flange when the pump is switched off. This brings a notable increase in safety, particularly in the case of power outages. It also prevents any backflow into the vacuum chamber, including in the form of residual gas that may be present in the pump system. Delayed opening when the Hiscroll starts up prevents a pressure surge towards the vacuum side, and this is particularly advantageous for high vacuum systems operated in combination with turbomolecular pumps.

The optional integral RPT 010 vacuum gauge ensures fully automatic pressure control. This minimizes pump wear and extends the maintenance intervals, while lowering electricity use and reducing the carbon footprint of the Hiscroll.

(ID:49210580)

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