Edwards: Vacuum pumps for industrial applications
The new GXS pumps have high peak pumping speeds of up to 436 cfm, and when combined with a booster pump can offer even higher speeds of up to 1978 cfm, while achieving ultimate vacuum typically down to 3.8×10-4Torr without purge. These pumps are developed for many applications which require rapid pumping of large gas volumes, such as steel degassing and metallurgy processes, glass coating, solar coating, LED manufacture and load-lock applications for vacuum chamber evacuation, but can also maintain a low process pressure for extended periods.
The pumps are an extension of the existing GXS range. There are now 10 variants in the range to suit all applications.
The GXS has a long pump service life and is maintenance free, even in harsh applications. The pump mechanism can be cleaned easily using the high flow purge and solvent flush accessory, which removes the need to partially strip the pump. This also decreases costly downtime associated with using alternative products that require manual cleaning.
The pump design incorporates a number of innovative features which contribute to its smooth quiet running, excellent vacuum performance and low running cost. The shafts on the GXS are supported at both ends for increased rigidity, resulting in improved dust handling, reduced vibration and noise levels below 70 dB(A).
The motor is matched to the inverter to give up to 15 per cent efficiency improvement compared to current designs, which further reduces the cost of ownership. All pumps are fitted with a controller as standard, providing users with reduced installation cost and enhanced control features including stand-by for reduced utility consumption, pressure control and start-up and shutdown routines. GXS pumps may be linked to customers’ dedicated process controllers for full system integration.
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