Armstrong International: refrigerated purging educational handbook
This free, 12-page, four-color handbook covers a wide range of topics from “why purge air from your refrigeration systems” to “how to purge your system” and “where to make purge connections.” The guide discusses how the company’s purger is designed to remove air from refrigerant gas and how the purger fits into a refrigeration system. Illustrations help to educate and inform readers about purgers and show a typical refrigeration schematic. It also illustrates and details various types of purgers including mechanical, electric single point, and state-of-the-art electronic multi-point purgers.
— Armstrong International
Three Rivers, MI