(3) performing a low-pressure air test on a new pipeline before placing it into service; or testing a pipeline already in service for leaks. There are two pipe plug options to choose from. Mechanical ...

TINLEY PARK, IL — As part of a project that lasted a year and a half, The Metropolitan Water Reclamation District of Greater Chicago (MWRD) performed structure rehabilitation and pipelining along ...

Bypass pipes, accompanied by a three-way control valve, are often seen in hydronic systems at both served loads (e.g., reheat coils) as well as at primary equipment (e.g., cooling towers). Reasons for ...