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TThe Model A7 chemical processing pump is conservatively designed to provide for high production with maximum reliability. Seventy to eighty percent of pump maintenance is related to seals. The A7 is designed with maximum seal flexibility that can be tailored to your application. Wilfley's dynamic seal and a selection of single and double mechanical seals are available to meet your application needs. Wilfley's dynamic seal can accommodate difficult applications such as those containing solids, solutions close to saturation that crystallize, or applications with low NPSH with intermittent cavitation. The Wilfley dynamic seal has no rubbing parts and therefore no continuous seal water is required, eliminating product dilution. The A7 pump can run dry with no seal damage. The Model A7 offers a rugged robust construction as verified by average weights of 35-50% more than common ASME specified pumps. Heavier hydraulic components and minimal shaft deflections result in higher reliability and lower maintenance costs. The Model A7 is a proven performer in the most difficult applications containing solids and crystallizing solutions, and applications with upset conditions such as cavitation and momentary dry running. Contact Wilfley today for a free Application Needs Assessment and find out how our pumps can improve your operations. |
Chemical Pump Model A7 Wilfley's Model A7 is a heavy-duty chemical processing pump that exceeds the ASME B73.1 M-91 specifications. It is designed for the most difficult applications, pumping highly corrosive liquids and, in certain instances, liquids containing solids. Markets
Applications
Capacities Sizes from 1.5x1-6 through 10x8-16 offering operating range coverage of less than 10 GPM/2.2 m3/hr up to 4,000 GPM/910 m3/hr. Head capabilities ranging up to 600 ft/185 meters depending upon pump size. Materials of Construction
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For More Information Wilfley solves the most difficult centrifugal pump and pump system problems. How can we be of service to you?
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