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April 5, 2018

Working Safely with Ammonia Refrigeration Pumps

Ammonia is one of the best known and most widely used refrigerants in use today for ice plants, food lockers, cold storage warehouses and other industrial cooling processes. It has a higher refrigerating effect, per unit of liquid volume, than any other type of commonly used refrigerant. Other advantages are low initial cost, low pipe...
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Wilden Advanced FIT

Wilden®, part of PSG®, a Dover company and a worldwide leader in air-operated double-diaphragm (AODD) pump technology, is pleased to announce the availability of its PS220/230 FIT 25 mm (1”) metal AODD pumps equipped with the energy-efficient Pro-Flo® SHIFT Air Distribution System (ADS). Available in three wetted-path materials of construction – aluminum, stainless steel and...
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