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Edwards Group Limited a manufacturer of  vacuum products, abatement systems and a provider of related value-added services, has supplied GXS dry screw pumps for freeze dried coffee production.

A major Latin American coffee producer operates one of the largest and most sophisticated processors of freeze dried coffee in the world. The facility exports freeze dried coffee to dozens of countries worldwide. Edwards has supplied the producer with new GXS450/4200 dry screw vacuum pumps for use in their freeze drying process, with the potential for many more to be replaced during the next few years.

Oil sealed rotary piston pumps

Having experience of operating Edwards’ Microvac oil sealed rotary piston pumps, the customer placed an orger for Edwards’ GXS dry screw pumps. These pumps are resistant to the acids released during coffee freeze drying processes, and with the optional solvent flush accessory do not require periodic oil changes or pump rebuilds for up to five years.

This has resulted in savings to the customer of approximately US $22,000 in maintenance costs each year. Low maintenance together with reduced gas and power consumption make GXS one of the most economical vacuum pumps for industrial applications. In addition, the speed control ability of the GXS pump, which allows the producer to control the pressure conditions inside their freeze drying tunnel.

Key factors in the decision by the producer to choose Edwards’ pumps over the competition were: ease of maintenance, environmental benefits, the service provided by the distributor, compact footprint and low noise levels.

The digital edition of the magazine is distributed free of charge to readers who meet our qualifying criteria. You can apply to receive your free copy by completing this short registration form.