The US Pipeline & Hazardous Materials Safety Administration issued a final rule on Oct. 7 for excess flow valves on new and replaced distribution pipelines. The final ...
MINNEAPOLIS (WCCO) – After a gas explosion killed two people at a Minneapolis school in 2017, a state agency is discussing plans to help prevent it from happening again. The Minnesota Public Utilities ...
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 ...
Flow is controlled by either throttling or diverting it. Throttling involves reducing orifice size until all of the flow cannot pass through the orifice; bypassing involves routing part of the flow ...