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Expert Vacuum Pump Technology for Any Industrial Application

The first big innovation in rough vacuum pumps this century offers an average of 50% energy savings, silent technology, clean operation, a compact, all-in-one package and benefits from Atlas Copco’s proven compressor technology. ...<< more>>

Fundamentals of Vacuum Technology

wide array of vacuum pumps and aftermarket services to Fundamentals of Vacuum Technology Evacuation of a chamber in the rough vacuum region ...<< more>>

Vacuum Regimes:- Rough, process, high and ultra-high vacuum

High vacuum pumps are therefore 'statistical capture' pumps. High vacuum pumps cannot pump atmospheric pressure gas and cannot be exhausted to atmosphere. Rather, they are secondary pumps and require either 'backing' or periodic 'regeneration' by a rough vacuum pump. ...<< more>>

Atlas Copco Enters the Rough Vacuum Utility Market | Blower

Figure 1: Atlas Copco is bringing variable speed drive technology to the rough vacuum utility market with itsGHS VSD+ Series of oil-sealed rotary screw vacuum pumps. Atlas Copco recently released a new series of oil-sealed rotary screw vacuum pumps specifically designed for the rough vacuum utility market. ...<< more>>

Vacuum Technology Pumpdown and Vacuum Pumps

Vacuum Technology Page 1 Pumpdown and Vacuum Pumps Dr. Philip D. Rack Assistant Professor Department of Materials Science and Engineering Rough chamber ~100mtorr ...<< more>>


AGILENT ROUGH VACUUM PUMPS 2 Introduction 3 Applications 4 Compact Single Stage Rotary Vane Pumps 5 Oil Lubricated Vane Pumps for Oxygen 6 Single Stage Rotary Vane Pumps ...<< more>>

Vacuum Pumps: Range of Applications for Vacuum Engineering is

Pfeiffer Vacuum states that it is primarily rotary vane pumps, Roots pumps and dry pumps which are used for rough and medium vacuum applications. Turbomolecular pumps are employed to produce a high and ultra-high vacuum. ...<< more>>

Pump Classifications Technical Notes - Home Page | Vacuum

A pump's ultimate pressure, often called its ultimate vacuum, is a value measured when the pump's design is finalized and an example built. In general terms, it is measured by blanking the pump's inlet with a pressure gauge, operating the pump for some time, recording the pressure achieved, and calling that the ultimate pressure. ...<< more>>

An Introduction to Vacuum Pumps - Vacaero

Vacuum pumps are categorized by their operating pressure range and as such are classified as: primary pumps, booster pumps or secondary pumps. Within each pressure range are several different pump types, each employing a different technology, and each with some unique advantages in regard to pressure capacity, flow rate, cost and maintenance ...<< more>>

Roughing pump - Wikipedia

A roughing pump is any vacuum pump (typically mechanical) used to initially evacuate a vacuum system, as a first stage towards achieving high vacuum or ultra high vacuum.The term "roughing pump" derives from the vacuum range it works in, "rough vacuum", above 1x10 ?3 torr (0.1 Pa)....