Griswold Pump Company Earns ATEX


Griswold Pump Company, a manufacturer of centrifugal pumps, announces that the standard and low-flow models of its 811 Series ANSI Centrifugal Pumps are now ATEX-compliant.

Griswold Pump Company Earns ATEX

811 Series ANSI Centrifugal Pumps (Image: Griswold)

ATEX is the common name for European Union Directive 94/9/EC, which is the European safety standard for all equipment intended for use in potentially explosive atmospheres. With this certification, Griswold’s 811 ANSI pumps are now available for use in places where explosive atmospheres may arise through the mixture of air and flammable materials such as gases, vapors, mists and dusts. These conditions most commonly exist in chemical plants, refineries, liquid-storage terminals and latex plants.

All of the Griswold 811 ANSI pumps that meet the ATEX directive will now be designated by an “A” at the beginning of the model number, while a tag that contains the ATEX equipment group, category, zones and temperature class will also be added to the pump body. These pump models will also feature the “CE” mark, which makes them compliant with the European Union’s Machinery Directive 2006/42/EC and available for importation into the EU; the ATEX-compliant models are the only Griswold pumps that feature the “CE” mark.

Griswold’s 811 Series ANSI Centrifugal Pumps are ideal for a wide range of applications in potentially explosive atmospheres because they have been designed with an open-impeller that minimizes concentrated wear; self-tightening impellers that reduce leaks and failures; the ability to externally adjust the clearance so that peak efficiency is ensured even after wear-area loss; back pump-out vanes that reduce pressure on the shaft seal and bearings; and investment-cast impellers that are ultra-smooth to guarantee hydraulic and mechanical balance, as well as maximized seal and bearing life.

Source: Griswold

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