Browsing: Features

By Matthew Wirth

Backwash is critical to the functionality of granular media filters and ion exchange systems that include an upflow bed expansion during the regenerating cycle.

Pargreen Sales Engineering Corp. established its roots in 1966 when Mike Green and his business partner, Mike Opar, combined their last names to create the unique moniker for their new business. Both had history working in the print ink industry, supplying raw materials and process equipment…