Edwards is a market leader in dry pump technology and pioneer of dry vacuum for the chemical process, pharmaceutical and fine chemical industries. Dry running pumps have no oil steam or water In the process volume. This eliminates, at source, the pollution traditionally associated with wet sealed vacuum systems and provides cost and materials handling benefits as the sealing medium does not have to be replenished: no contamination of the process stream, no polluted effluent, no messy oil drums, improved processing with reduced down. The proven and rugged non contacting designs, both screw and reverse claw mechanisms, include the ability to control pump body and internal gas temperatures allowing a comprehensive range of solvents, flammables and corrosives to be pumped. Systemised variants address the EU’s explosive atmospheres (ATEX) directive for Category (Zone 0) T4 operation.

Chemical Dry Pumps

 

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