Pressure-reducing valves can easily be confused with pressure-relief valves, especially because both are sometimes called PRVs. To distinguish between the two, think of a pressure-relief valve as a ...

For years, neighbors who lived near a factory in Louisville, Ky., complained amongst themselves and to local officials about ...

Liquified natural gas (LNG) and liquified petroleum gas (LPG) are energy-dense fuel products that can be used for heating, ...